Check Valves Air Valves

Check Valve -- F-2804-400
from Air Logic

The Check Valves permit flow in one direction only; the operation of the check valve is based on the movement of a small disc within the housing. The disc shifts within the housing as the pressure differential changes from forward to reverse. A flat surface on one side of the disc seals off flow,... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 10.00
  • Valve Size: 0.06 to 0.12
  • Media Temperature: 40 to 120
Flanged Check Valve -- DFT® PDC®
from DFT Inc.

The DFT ® Model PDC ® Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. It includes a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 55.00 to 2300.00
  • Valve Size: 2.00 to 12.00
  • Maximum Pressure: 3705.00
Adjustable Cracking Pressure Check Valve -- CKVA-10-1.
from Beswick Engineering Co., Inc.

The Beswick CKVA is a poppet style check valve with adjustable cracking pressure. The cracking pressure can be adjusted from 1 psig to 40 psig. This valve requires back pressure to be applied before the cracking pressure resets to your original set point. [See More]

  • Valve Type: Check; Poppet; Hydraulic
  • Connection Description: Threaded; 10-32 Internal Threaded
  • Maximum Pressure: 0.00 to 250.00
  • Actuation: Manual
Check Valve -- MCV-1
from Clippard

Check Valve, #10-32 Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.19
  • Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32
Check Valves
from Haskel International LLC

Rugged construction provides assurance of fail-safe operation at pressures up to 100,000 psi (6,900 bar). For operation in temperatures ranging from 0 ° to 600 °F (-18 ° to 315 °C). [See More]

  • Valve Type: Check
  • Maximum Pressure: 5500.00 to 60000.00
  • Valve Size: 0.12 to 1.00
  • Connection Description: Compression
Check Valves -- FC Series
from FUJIKURA COMPOSITES Inc.

Features. Simple design makes low price. Damages to seal material were reduced by double-touch system (O-ring and metal-seal). Various port sizes and seal materials. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial furnace :General... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.28 to 6.90
  • Valve Size: 0.12 to 1.00
  • Connection Description: Threaded
Non return valve -- H-1/2-B
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 174.05
  • Connection Description: Threaded; G1/2
Check Valve, Barbed Inlet, Male Luer Lock Outlet -- 80506
from Qosina Corp.

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80506 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

  • Valve Type: Check
Flanged Spring Assisted Center Guided Check Valves -- DFT® Excalibur®
from DFT Inc.

The DFT ® Excalibur ® Silent Check Valve is a spring-assisted, center guided, in-line, check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, gasket, seat, spring, disc with stem and guide... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 51.00 to 11300.00
  • Valve Size: 2.00 to 24.00
  • Maximum Pressure: 3705.00
Fixed Orifice Flow Control Valve -- MIL-FOFC
from Beswick Engineering Co., Inc.

The fixed orifice flow control valve is designed with a factory pre-set orifice. Rotation of the knurled sleeve will not change the orifice setting. Ideal for applications where improper adjustment of a flow setting could damage the machine or process. Fluid is metered in one direction, a check... [See More]

  • Valve Type: Check; Hydraulic; Metering
  • Flow (Cv): 0.00 to 0.02
  • Valve Size: 0.03
  • Maximum Pressure: 0.00 to 200.00
Check Valve -- MCV-1AA
from Clippard

Check Valve, #10-32 Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.19
  • Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32
Check Valves -- FC8 Series
from FUJIKURA COMPOSITES Inc.

Features. 'PC8 series ' is lightweight because resin. In addition to tap water, various liquids can be used. Piping installation posture is free. Low cracking specification. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial furnace... [See More]

  • Valve Type: Check
  • Flow (Cv): 28.00 to 32.00
  • Valve Size: 0.25 to 0.50
  • Maximum Pressure: 116.03
Non return valve -- H-1/4-B
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 174.05
  • Connection Description: Threaded; G¼
Check Valve, Barbed Inlet, Male Luer Lock Outlet -- 80507
from Qosina Corp.

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80507 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

  • Valve Type: Check
Flanged Spring Assisted Check Valves -- DFT® DLC®
from DFT Inc.

The DFT ® Model DLC ® is a corrosion resistant, dependable, versatile and economical spring assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the DLC ® provides tight shut-off and protects other equipment in the system from water... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 7.00 to 180.00
  • Valve Size: 0.50 to 3.00
  • Maximum Pressure: 720.00
Flow Control Valve -- MIL-FC
from Beswick Engineering Co., Inc.

The Beswick flow control valve provides control of small bore air cylinders with hysteresis-free control down to bubble-tight shut off. The size of the radial inlet orifice is selected to be compatible with the approximate maximum flow needed in the application. An O-ring is fitted into an eccentric... [See More]

  • Valve Type: Check; Hydraulic; Metering
  • Flow (Cv): 0.00 to 0.07
  • Valve Size: 0.19
  • Maximum Pressure: 0.00 to 200.00
Check Valve -- MCV-1AB
from Clippard

Check Valve, #10-32 Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.19
  • Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32
Check Valves -- FCAM Series
from FUJIKURA COMPOSITES Inc.

Features. Adjustment of cracking pressure is possible. High pressure model (maximum working pressure: 20 Mpa [2900.75psi]). Ideal for small-volume applications such as prototype, research, etc. Compact, lightweight design. Applications. Machine Tools :Milling machine, NC lathe, laser... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.35 to 1.25
  • Valve Size: 0.25 to 0.50
  • Maximum Pressure: 4351.11
Non return valve -- H-1/8-A/I
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 116.03
  • Connection Description: G1/8
Check Valve, Blue Inlet, Clear Outlet -- 80130
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80130 features a blue tubing port inlet and clear tubing port outlet that fits 0.122 inch ID x 0.165 inch OD tubing. Made of polycarbonate and silicone,... [See More]

  • Valve Type: Check
Insert Wafer Check Valves -- DFT® FBC™
from DFT Inc.

The FBC ™ is a compact, lightweight, insert wafer check valve that easily installs between two flanges. The in-line, spring assisted design prevents "water hammer" and "reverse flow". The FBC ™ contains all of the proven features of the Basic-Check ® valve developed by DFT ® over... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 5.80 to 90.00
  • Valve Size: 1.00 to 4.00
  • Maximum Pressure: 720.00
Low Cracking Pressure High Flow Miniature Check Valve -- CKVU
from Beswick Engineering Co., Inc.

This high flow check valve permits free flow in one direction and no flow (checked) in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight operation. The unique... [See More]

  • Valve Type: Check; Hydraulic
  • Flow (Cv): 0.00 to 0.10
  • Valve Size: 0.19
  • Maximum Pressure: 0.00 to 250.00
Check Valve -- MCV-1BB
from Clippard

Check Valve, #10-32 Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.19
  • Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32
Check Valves -- FCF Series
from FUJIKURA COMPOSITES Inc.

Features. Simple design makes low price. Damages to seal material were reduced by double-touch system (O-ring and metal-seal). Various port sizes and seal materials. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial furnace :General... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.28 to 6.90
  • Valve Size: 0.12 to 1.00
  • Connection Description: Threaded
Non return valve -- H-3/4-B
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 174.05
  • Connection Description: Threaded; G3/4
Check Valve, Clear Inlet, Blue Outlet -- 80068
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80068 features a clear inlet and blue outlet that has a 0.124 inch OD on each end. Made of MABS and silicone, this in-line valve has a low, 0.142 psi... [See More]

  • Valve Type: Check
Restrictor Check Valves (RCV) -- DFT®
from DFT Inc.

The DFT ® Restrictor Check Valve (RCV) is a versatile, all-purpose, spring-assisted, in-line check valve for applications that require higher cracking pressures to open the check valve than those offered by other DFT ® check valves. Cracking pressures are available from 2 to 40 psi. Like the... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 5.80 to 90.00
  • Valve Size: 0.25 to 2.50
  • Maximum Pressure: 2500.00
Miniature Low Cracking Pressure Check Valve -- CKV
from Beswick Engineering Co., Inc.

The check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and leak-tight operation. The unique design of the... [See More]

  • Valve Type: Check; Duckbill; Back Flow; Directional; Hydraulic
  • Flow (Cv): 0.00 to 0.05
  • Valve Size: 0.05
  • Maximum Pressure: 0.00 to 250.00
Check Valve -- MCV-2
from Clippard

Check Valve, #10-32 Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 100.00
  • Valve Size: 0.19
  • Connection Description: Threaded; Inlet: #10-32, Outlet: #10-32
High Flow Check Valves -- FHVC Series
from FUJIKURA COMPOSITES Inc.

Features. New design ‘ ’Full bore ’ ’ correspond high flow rate. Designed to reduce damages for seal material. Various port sizes and seal materials. Installation direction is free. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. [See More]

  • Valve Type: Check
  • Flow (Cv): 0.95 to 11.70
  • Valve Size: 0.12 to 1.00
  • Maximum Pressure: 2900.74
Non return valve -- H-3/8-B
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 174.05
  • Connection Description: Threaded; G3/8
Check Valve, Clear Inlet, Blue Outlet -- 80393
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part # 80393 features a clear, 0.138 inch OD tubing port inlet and a blue, 0.138 inch OD tubing port outlet. Made of polycarbonate and silicone, this in-line... [See More]

  • Valve Type: Check
Spring Assisted Sanitary Check Valves -- DFT® DSV™
from DFT Inc.

The DSV ® is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes. To accommodate various piping arrangements, the DSV ® is available as a "Vertical" or "Horizontal" valve. The Horizontal valve is for Horizontal lines requiring... [See More]

  • Valve Type: Check; Ball Check
  • Flow (Cv): 2.40 to 109.00
  • Valve Size: 0.50 to 3.00
  • Maximum Pressure: 108.00
Ultra Miniature Low Cracking Pressure M3 Check Valve -- CKV-M3
from Beswick Engineering Co., Inc.

This Ultra Miniature low cracking pressure check valve permits free flow in one direction and no (checked) flow in the opposite direction. This valve is specified in many applications because of its very low cracking pressure (typically less than 0.5 psig), its excellent repeatability, and... [See More]

  • Valve Type: Check; Duckbill; Hydraulic
  • Flow (Cv): 0.00 to 0.05
  • Valve Size: 0.20
  • Maximum Pressure: 0.00 to 250.00
Check Valve -- MJCV-1
from Clippard

Check Valve, 1/8" Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.12
  • Connection Description: Threaded; Inlet: 1/8" NPT, Outlet: 1/8" NPT
High Pressure Check Valves -- FCH Series
from FUJIKURA COMPOSITES Inc.

Features. High pressure range.(SUS316 can use 13MPa [1885.49psi]). Damages to seal material were reduced by double-touch system (O-ring and metal-seal). All metal material adopt SUS316. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial furnace... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.50 to 1.50
  • Valve Size: 0.25 to 0.50
  • Maximum Pressure: 2900.74
Non return valve -- H-M5
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 5.80 to 116.03
  • Connection Description: M5
Check Valve, Female Luer Lock Inlet, Barbed Outlet -- 80504
from Qosina Corp.

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80504 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

  • Valve Type: Check
Spring Assisted Sanitary Check Valves -- DFT® DSV®
from DFT Inc.

The DSV ® is an in-line spring-assisted check valve designed to prevent flow reversal in industries with strict cleanliness codes. To accommodate various piping arrangements, the DSV ® is available as a "Vertical" or "Horizontal" valve. The Horizontal valve is for Horizontal lines requiring... [See More]

  • Valve Type: Check; Ball Check
  • Flow (Cv): 2.40 to 90.00
  • Valve Size: 0.50 to 3.00
  • Maximum Pressure: 108.00
Check Valve -- MJCV-1AA
from Clippard

Check Valve, 1/8" Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.12
  • Connection Description: Threaded; Inlet: 1/8" NPT, Outlet: 1/8" NPT
Low Pressure Check Valves -- VC-P Series
from FUJIKURA COMPOSITES Inc.

Features. Compact (OD φ18mm[0.71inch]), Light weight (33g[0.07pound]). Cracking pressure is extremely low: 1 kPa[0.15psi] or less. Leakage is minute: 1 ml / min or less at 10 kPa[1.45psi]. Applications. Machine Tools :Milling machine, NC lathe, laser processing machine etc. Industrial... [See More]

  • Valve Type: Check
  • Connection Description: Tube Fitting
  • Maximum Pressure: 36.26
Non return valve -- H-QS-1/2-U
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Connection Description: QS-1/2
  • Maximum Pressure: -14.50 to 145.04
Check Valve, Female Luer Lock Inlet, Barbed Outlet -- 80505
from Qosina Corp.

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of SAN, MABS, and silicone, Qosina part # 80505 features a low, 0.087 psi cracking pressure ideal for infusion, drainage and irrigation applications. This barbed... [See More]

  • Valve Type: Check
Spring Assisted Silent Check Valves -- DFT® GLC®
from DFT Inc.

The DFT ® Model GLC ® Silent Check Valve is a spring-assisted, center guided, in-line, flanged check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The valve consists of a body, seat, spring, disc with stem and guide... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 17.00 to 11100.00
  • Valve Size: 1.00 to 24.00
  • Maximum Pressure: 6170.00
Check Valve -- MJCV-1AB
from Clippard

Check Valve, 1/8" Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.12
  • Connection Description: Threaded; Inlet: 1/8" NPT, Outlet: 1/8" NPT
Non return valve -- HA-1/2-QS-12
from Festo Corporation

Valve function: non-return function. Screw-in or in-line installation. With connecting thread at both ends, push-in connector at both ends, thread/push-in connector [See More]

  • Valve Type: Check
  • Connection Description: Threaded; QS-12
  • Maximum Pressure: -14.50 to 145.04
Check Valve, Female Luer Lock Inlet, Male Luer Lock Outlet -- 80107
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80107 features a female luer lock inlet and male luer lock outlet. Made of polycarbonate and silicone, this in-line valve is tinted for gamma... [See More]

  • Valve Type: Check
Threaded In-Line Check Valves -- DFT® Basic-Check®
from DFT Inc.

The DFT ® Basic-Check ® valve is a versatile all-purpose, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of liquids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 5.80 to 90.00
  • Valve Size: 0.25 to 2.50
  • Maximum Pressure: 6000.00
Check Valve -- MJCV-1BA
from Clippard

Check Valve, 1/8" Ports [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 300.00
  • Valve Size: 0.12
  • Connection Description: Threaded; Inlet: 1/8" NPT, Outlet: 1/8" NPT
Piloted non return valve -- HGL-1/2-B
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G1/2
Check Valve, Female Luer Lock Inlet, Male Luer Lock Outlet -- 80129
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80129 features a female luer lock inlet and male luer lock outlet. Made of polycarbonate and silicone, this in-line valve is tinted for gamma... [See More]

  • Valve Type: Check
Threaded In-Line Check Valves -- DFT® SCV®
from DFT Inc.

The DFT ® Model SCV ® is a corrosion resistant, dependable, versatile and economical spring-assisted, in-line check valve for a wide range of applications. Whether the fluid is liquid, gas or steam, the SCV ® provides tight shut-off and protects other equipment in the system from water... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 6.00 to 180.00
  • Valve Size: 0.50 to 3.00
  • Maximum Pressure: 3600.00
Manifold Mounted Multi Check Valves -- R-614
from Clippard

The R-614 Multi Check Valve integrates four check valves in one compact valve body. Take advantage of the many features of this versatile line including easy manifold mounted design, integrated circuitry, Octoport outlet design, maximized performance and more. • Efficient design. • Eight... [See More]

  • Valve Type: Check
  • Media Temperature: 32 to 180
  • Maximum Pressure: 150.00
  • Connection Description: Threaded
Piloted non return valve -- HGL-1/2-NPT
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: -4 to 176
  • Maximum Pressure: 2.90 to 145.04
  • Connection Description: Threaded; 1/2 NPT
Check Valve, Female Luer Lock Inlet, Male Luer Lock Outlet -- 80185
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part # 80185 features a female luer lock inlet and male luer lock outlet with a 1.5 - 5 psi cracking pressure. Made of polycarbonate and silicone, this in-line... [See More]

  • Valve Type: Check
Vacuum Breaker Check Valves -- DFT®
from DFT Inc.

DFT ® Vacuum Breakers provide effective protection against collapse of pressure vessels, tanks and rolls. They prevent condensate "back-up" when equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT ® Vacuum Breakers are used to break siphons,... [See More]

  • Valve Type: Check; Ball Check; Hydraulic; Anti-Siphon
  • Flow (Cv): 5.80 to 90.00
  • Valve Size: 1.00 to 4.00
  • Maximum Pressure: 2500.00
Piloted non return valve -- HGL-1/2-QS-12
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G1/2
Check Valve, Female Luer Lock Inlet, Tubing Port Outlet -- 80111
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80111 features a female luer lock inlet and 0.117 - 0.113 inch ID tubing port outlet. Made of polycarbonate and silicone, this in-line valve is tinted... [See More]

  • Valve Type: Check
Wafer Check Valves -- DFT® ALC®
from DFT Inc.

The ALC ® is an in-line, spring assisted, single guided "wafer" check valve designed to prevent "water hammer" and "reverse" flow. The lightweight compact design fits between mating flanges and meets API 594 Face-to-Face dimensions. The ALC ® is an easy to maintain check valve for... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 1690.00 to 7970.00
  • Valve Size: 10.00 to 24.00
  • Maximum Pressure: 720.00
Piloted non return valve -- HGL-1/4-B
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G¼
Check Valve, Female Luer Lock Inlet, Tubing Port Outlet -- 80367
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part # 80367 features a female luer lock inlet and a 0.122 inch OD tubing port outlet. Made of ABS and silicone, this in-line check valve has a low 0.17 psi... [See More]

  • Valve Type: Check
Wafer Silent Check Valves -- DFT® WLC®
from DFT Inc.

The DFT ® Model WLC Wafer style Silent Check Valve is a lightweight, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The joint between the seat ring and body is sealed by the flange gasket upon... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Flow (Cv): 19.00 to 1355.00
  • Valve Size: 1.00 to 10.00
  • Maximum Pressure: 6170.00
Piloted non return valve -- HGL-1/4-QS-10
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G¼
Check Valve, Female Luer Lock Inlet, Tubing Port Outlet -- 80392
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part #80392 features a clear, female luer lock inlet and a blue, 0.138 inch OD tubing port outlet. Made of polycarbonate and silicone, this in-line valve and... [See More]

  • Valve Type: Check
Piloted non return valve -- HGL-1/4-QS-8
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G¼
Check Valve, Female Luer Lock Inlet, Tubing Port Outlet -- 91043
from Qosina Corp.

Qosina offers an extensive line of Check Valves available in a variety of styles that are in stock and ready for immediate delivery. Made of ABS and silicone, Qosina part # 91043 features a 0.79 psi cracking pressure and is ideal for infusion, drainage and irrigation applications. This check valve... [See More]

  • Valve Type: Check
Piloted non return valve -- HGL-1/8-1/8-B
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G1/8
Check Valve, Tubing Port Inlet, Male Luer Lock Outlet -- 80067
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Made of MABS and silicone, Qosina part #80067 features a 0.124 inch OD tubing port inlet and a male luer lock outlet. This in-line valve has a low, 0.143 psi cracking... [See More]

  • Valve Type: Check
Piloted non return valve -- HGL-1/8-B
from Festo Corporation

Valve function: piloted non-return function. Pneumatically piloted. Screw-in with external thread. Pilot air connection: M5, G1/8, G1/4, G3/8, QS-4. Manually actuated exhaust possible with separate accessory [See More]

  • Valve Type: Check
  • Media Temperature: 14 to 140
  • Maximum Pressure: 7.25 to 145.04
  • Connection Description: Threaded; G1/8
Check Valve, Tubing port Inlet, Male Luer Lock Outlet -- 85057
from Qosina Corp.

Qosina offers an extensive line of Check Valves, available in a variety of styles that are in stock and ready for immediate delivery. Qosina part # 85057 features a tubing port inlet that fits a 0.120 inch ID x 0.160 inch OD tube with a male luer lock outlet. Made of MABS, SAN and silicone, this... [See More]

  • Valve Type: Check
Check Valves -- V012 001
from ASCO

• Compact design. • In-line mounted. • Quiet operation. • Instantaneous shutoff against reverse flow, low forward. pressure opening. • Disc seats before reverse flow to avoid fluid shock on. reverse pressure differential [See More]

  • Valve Type: Check; Ball Check
  • Flow (Cv): 0.70
  • Valve Size: 0.25
  • Maximum Pressure: 150.00
Check Valves
from FITOK GmbH

Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]

  • Valve Type: Check
  • Maximum Pressure: 3000.00 to 6000.00
  • Flow (Cv): 0.10 to 4.48
  • Media Temperature: -10 to 900
Check Valve -- V33A-D-2T
from DK-LOK U.S.A.

Up to 3000psig (206bar). Up to 190 ℃ (375 ℉). ss316, Brass. DK-LOK OD1/8 - 1 inch. Pipe thread 1/8 - 1 inch [See More]

  • Valve Type: Check; Lift Check
  • Flow (Cv): 0.16
  • Valve Size: 0.19
  • Maximum Pressure: 3000.00
Bushing Valve -- BUD (BU-050x0375)
from Check-All Valve Mfg. Co.

The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon; Bushing Valve
  • Flow (Cv): 2.60
  • Valve Size: 0.50
  • Maximum Pressure: 3000.00
Brass Check Valve -- TVR61
from WEH Technologies Inc.

High-performance check valve for use with liquid media and air pressure. These brass check valves are specially designed for hydraulic and pneumatic applications in plant engineering and are well proven in applications with submesible pump, pressure, air conditioning systems, heating systems etc. [See More]

  • Valve Type: Check; Hydraulic
  • Maximum Pressure: 696.18
  • Valve Size: 0.39 to 1.97
  • Media Temperature: -4 to 275
Check Valves -- 1" 071-45 deg. Ball Check Valve
from XOMOX (A Crane Co. Company)

Lined valves and accessories use fluorocarbons such as PFA, PVDF, PTFE, PFA-AS (antistatic), and UHMWPE upon customer request. The melt process allows the liner to be locked into dovetails, locking grooves, and locking holes in the casting. Consequently, the potential for liner collapse and blow out... [See More]

  • Valve Type: Check; Ball Check
  • Flow (Cv): 23.00
  • Valve Size: 1.00
  • Maximum Pressure: 200.00
Check Valve, straight with one-touch fittings, for 3/8 tube -- 70070451 [AKH11-00 from SMC Corporation of America]
from Allied Electronics, Inc.

High Flow Capacity. Low Cracking Pressure. Compact and Light Weight. Provides Flow in One Direction. Built-In One-Touch Fittings Reduce Installation Time [See More]

  • Valve Type: Check
  • Maximum Pressure: -14.50 to 145.04
  • Valve Size: 0.38
  • Media Temperature: 23 to 140
Check Valve -- 712-2IN-O
from Victaulic Co. of America

SWING TYPE. 2 INCH NOMINAL SIZE. 2 NOMINAL SIZE - DECIMAL. 2 NOMINAL SIZE - FRACTIONAL. ACID, AIR, OIL APPLICATION. 20 TO 300 DEG F TEMPERATURE RATING. BONDED BUMPER FOR COATING PROTECTION, END SEAL FLUOROELASTOMER GASKET INCLUSIONS/FEATURES. CARBON STEEL BODY MATERIAL. 300 PSI PRESSURE RATING. 2... [See More]

  • Valve Type: Check
  • Maximum Pressure: 300.00
  • Valve Size: 2.00
  • Media Temperature: 20 to 300
Piping, Valves & Fittings
from Chemac Inc./Uraca/Uhde HPT/Gather/BHDT

High Pressure Piping, Valves and Fittings. Based on the High-pressure valves and fittings to IG standards for pressure ratings of 325 and 700 bar, Chemac Inc offers these for pressure ratings of 500, 1600, 2500, 3200, 3600 and 4000 bar in similar construction with lens-type gaskets. Valves with... [See More]

  • Valve Type: Check; Angle; Butterfly; Diaphragm; Globe; Piston; Control Valve; Relief
Check Valves
from Carr Lane Manufacturing Co.

Simple hydraulic flow restrictor that allows fluid to flow in one direction only. In-line mounting [See More]

  • Valve Type: Check; Hydraulic
  • Connection Description: Threaded
  • Maximum Pressure: 7500.00
  • Actuation: Mechanical
High Pressure Check Valve -- B-6197
from Harwood Engineering Company

Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. These valves allow fluids to flow in only one direction and require a minimum pressure to open. Features. Service for liquids and gases at pressures up to 200,000... [See More]

  • Valve Type: Check; Ball Check
  • Connection Description: Inlet: 4L, Outlet: 4L
  • Maximum Pressure: 100000.00
  • Actuation: Mechanical
Cast Iron Valve -- LD 012-CI
from Xiamen Landee Industries Co., Ltd.

Cast Iron Valves, Meeting Global Quality Standards. Model Number: LD 012-CI. Key Specifications/Special Features: Types: gate, globe, check, ball, butterfly, plug, foot, angle, air, Y-strainer... Manufacturing standards: API, ANSI, BS, DIN, JIS, MSS SP. Size range: from 1/2 inch to 64 inch (DN15mm -... [See More]

  • Valve Type: Check; Ball Check; Foot Valve; Angle; Ball; Butterfly; Gate; Globe; Plug
  • Connection Description: Flanged
  • Valve Size: 0.50 to 64.00
  • Actuation: Manual
API RTJ Steel Chexter™ Check Valves -- 1696
from Mueller Steam Specialty

Recommended for use in higher temperature or pressure applications. [See More]

  • Valve Type: Check; Ball Check; Hydraulic (optional feature); Pivot Valves
  • Maximum Pressure: 1430.00 to 2000.00
  • Valve Size: 2.00 to 4.00
  • Media Temperature: 100 to 650
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18NL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Automatic Relief/Bleed Valve -- 1600-60
from Terra Universal, Inc.

Continuously bleeds off excess internal gas to maintain a safe positive pressure inside glove boxes. Variable release mechanism automatically discharges any sudden surge of incoming gas. Protects against accidental negative pressure by functioning as a check valve. Extends life of doors and gaskets. [See More]

  • Valve Type: Check; Block Bleed; Relief
  • Connection Description: Threaded (optional feature); Union (optional feature)
  • Valve Size: 0.62 to 1.00
  • Actuation: Electric
Pneumatic Check Valves
from Bimba Manufacturing Company

Ideal for reliably holding an actuator position in a variety of applications. ¼ or 1/8 NPT output ports are offered for direct cylinder mount, minimizing space requirements and easing installation. The input port swivels to accommodate valve alignment. 10-32 (F) & ¼ push-in pilot... [See More]

  • Valve Type: Check
Metric Economy Line Check Valve -- ZMC-M3.5-B-SS
from O'Keefe Controls Co.

This miniature check valve line employs a free floating stainless steel or elastomeric ball, which allows free flow in one direction; reverse flow is prevented. The valves are suitable for air, water, inert gas, light oil and liquids compatible with the materials of construciton. The valves are fast... [See More]

  • Valve Type: Check; Ball Check
  • Connection Description: Threaded; M3.5
  • Maximum Pressure: 507.63
Check Valve -- C050101
from Pneumadyne, Inc.

Flow controls and Needle valves are used to reduce the rate of flow in a leg of a system, consequently the restriction slows cylinder speed. Finely threaded stems allow gradual adjustment of controlled flow to match system requirements. Although the basic function is flow restriction, the... [See More]

  • Valve Type: Check; Lift Check; Control Valve; Directional; Batwing
  • Flow (Cv): 0.03
  • Valve Size: 0.06
  • Maximum Pressure: 125.00
Dual-plated Wafer Type Check Valve -- SERIE 2000 - PN 16
from KSB AG

Design. Dual-plated wafer type check valve, single-piece body. Metal or elastomer sealing. Cast iron, ductile iron, cast steel or stainless steel body; maintenance free. PN 10 / 16 / 25 / 40, Class 150, Class 300. EN, ANSI and JIS flange connections available. Overview of technical data. Body... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 725.19
  • Valve Size: 1.97 to 23.62
  • Media Temperature: -321 to 1000
Vacuum Check Valve -- VCV
from SAS Automation, LLC

Closes automatically if attached vacuum cups fail to secure the part, thus ensuring the efficiency of the remaining cups. Inserted between the cup and the mounting arm [See More]

  • Valve Type: Check
  • Connection Description: Threaded
Austenitic Stainless Steel Disc Check Valve -- DCV41
from Spirax-Sarco

The DCV41 is an austenitic stainless steel disc check valve available with either screwed or socket weld end connections. Its function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 719.39
  • Valve Size: 0.50 to 1.00
  • Media Temperature: -20 to 752
Check Valve -- VNR-205-M5
from Hi-Tech Controls, Inc.

The check valves in the VNR Series are available with M5 (10-32 UNF), 1/8" and 1/4" ports. They must be used when it is required to intercept a flow in one direction only. The design of these. valves is of the poppet type and this feature allows operation at low pressures both when there is a free... [See More]

  • Valve Type: Check; Lift Check
  • Media Temperature: 32 to 175
  • Maximum Pressure: 145.00
  • Connection Description: Threaded; M5 [10-32 UNF]
High Pressure Ball Check Valve -- 65BC4H
from MAXPRO Technologies, Inc.

MAXIMATOR ball check valves prevent reverse flow where bubble tight shutoff is not mandatory. These check valves are designed with a ball cradled floating poppet to assure positive inline seating. This poppet design allows full flow around the ball to minimize pressure drop. Check valves are rated... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.15
  • Valve Size: 0.25
  • Maximum Pressure: 60000.00
High Pressure Check Valve
from FITOK GmbH

Founded in 1998, FITOK Group has been an industry-leading developer and manufacturer of superior quality instrumentation valves and fittings, having our R &D centers, manufacturing facilities, warehousing and service locations in Offenbach Germany, Texas USA, Shenzhen China and Dubai UAE. We... [See More]

  • Valve Type: Check; Ball Check
  • Flow (Cv): 0.15 to 7.40
  • Valve Size: 0.09 to 0.69
  • Maximum Pressure: 10000.00 to 60000.00
Check Valve -- VH36A-D-2T
from DK-LOK U.S.A.

Up to 6000 psig (413bar). Up to 204 ℃ (400 ℉). ss316. O-ring seal blow-out proof design. DK-LOK OD 1/8 - OD1 inch. Pipe thread 1/8 - 1" [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 6000.00
  • Flow (Cv): 0.67
  • Media Temperature: -18 to 399
Connector Valve -- CND (CON-050)
from Check-All Valve Mfg. Co.

The Connector Valve is a check valve with a hex nipple or connector housing. It is designed to be used in installations where check valves with male pipe threads are required. The Connector Valve is adaptable for use as a check valve, vacuum breaker, or low pressure relief valve. Two valves used in... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Flow (Cv): 2.30
  • Valve Size: 0.50
  • Maximum Pressure: 3000.00
Stainless Steel Check Valve -- TVR2
from WEH Technologies Inc.

High-performance check valves for use with liquid and gaseous media. For many years we have been a preferred supplier for a wide range of industries with our check valve range. The WEH check valves are especially designed for both liquid and gaseous media. The check valve system is designed to... [See More]

  • Valve Type: Check
  • Flow (Cv): 0.20 to 57.40
  • Valve Size: 0.16 to 1.97
  • Maximum Pressure: 5801.51
Check Valve -- 713-2IN-E
from Victaulic Co. of America

SWING TYPE. 2 INCH NOMINAL SIZE. 2 NOMINAL SIZE - DECIMAL. 2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET INCLUSIONS/FEATURES. CARBON STEEL BODY MATERIAL. 1000 PSI PRESSURE RATING. 2 INCH IPS... [See More]

  • Valve Type: Check
  • Maximum Pressure: 1000.00
  • Valve Size: 2.00
  • Media Temperature: -30 to 230
Pilot Operated Check Valves
from Carr Lane Manufacturing Co.

Holds clamping pressure until released by a separate pilot pressure line (allows only one-way flow until released). Can be used as a safety device in case the fluid line to the fixture could become damaged. Can also be used to prevent workpieces from floating between opposing clamps. Leakage-free... [See More]

  • Valve Type: Check; Ball Check; Hydraulic
  • Maximum Pressure: 7500.00
  • Valve Size: 0.25 to 0.50
  • Connection Description: Threaded; 1/4" to 1/2" BSPP
Bronze Silent Check Valves -- 101MBP
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: ? to 225.00
  • Valve Size: 1.00 to 10.00
  • Media Temperature: ? to 150
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18NN
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Check Valve -- C050601
from Pneumadyne, Inc.

Cost effective, space saving solution for the use of single or multiple valves. A wide variety of connector, electrical and mounting options are available to accommodate numerous applications. Convenient Line & 90 ° Connectors (both with LED) provide quick electrical connection when used in... [See More]

  • Valve Type: Check; Lift Check; Poppet; Control Valve; Directional
  • Flow (Cv): 0.41
  • Valve Size: 0.12 to 0.25
  • Maximum Pressure: 125.00
Austenitic Stainless Steel Split Disc Check Valve -- SDCV4
from Spirax-Sarco

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between ASME (ANSI) Class 150 and Class 300, JIS / KS 10K and 20K flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems,... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 710.68
  • Valve Size: 1.97 to 11.81
  • Media Temperature: -20 to 1000
Pilot-Operated Check/Blocking Valve -- VBU 1/8
from Hi-Tech Controls, Inc.

These valves have been designed to mount directly into the cylinder ports. The inner design of the blocking valves Series VBO and VBU allows a very high flow rate and reliable operation. [See More]

  • Valve Type: Check; Pilot
  • Maximum Pressure: 145.00
  • Valve Size: 0.12
  • Media Temperature: 32 to 176
High Pressure, O-ring Check Valve -- 65OC4H
from MAXPRO Technologies, Inc.

MAXIMATOR o-ring check valves provide high quality directional flow control and tight shutoff for liquids and gases. All check valves are supplied with glands and collars. These check valves are not to be used as a relief device. Click on the underlined item number below to request a quote. [See More]

  • Valve Type: Check
  • Flow (Cv): 0.15
  • Valve Size: 0.25
  • Maximum Pressure: 60000.00
Check Valve -- VH36B-D-8T
from DK-LOK U.S.A.

Up to 6000 psig (413bar). Up to 204 ℃ (400 ℉). ss316. O-ring seal blow-out proof design. DK-LOK OD 1/8 - OD1 inch. Pipe thread 1/8 - 1" [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 6000.00
  • Flow (Cv): 1.80
  • Media Temperature: -18 to 399
Custom Valves -- CAV
from Check-All Valve Mfg. Co.

The CAV series of valves are not catalog items but rather are custom designed and tailored to meet customer specific connections or valve configurations. If you have a check valve application where our standard catalog items do not quite match what you are looking for, contact our sales department... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief (optional feature); Anti-Siphon (optional feature)
  • Actuation: Pressure
  • Connection Description: Threaded (optional feature); Cartridge (optional feature); Compression (optional feature); BoltFlange (optional feature); Clamp Flange (optional feature); Union (optional feature); Tube Fitting (optional feature); Butt Weld (optional feature); Socket Weld (optional feature); Face Seal (optional feature)
Check Valve -- 716-10IN-E
from Victaulic Co. of America

SPRING OPERATED TYPE. 10 INCH NOMINAL SIZE. 10 NOMINAL SIZE - DECIMAL. 10 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL BODY... [See More]

  • Valve Type: Check
  • Media Temperature: -30 to 230
  • Maximum Pressure: 300.00
Bronze Silent Check Valves -- 103MBP
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: ? to 500.00
  • Valve Size: 1.00 to 10.00
  • Media Temperature: ? to 150
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18SL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Austenitic Stainless Steel Split Disc Check Valve -- SDCV8
from Spirax-Sarco

A range of austenitic stainless steel split disc check valves in a wafer pattern suitable for fitting between PN16 and PN40 flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 580.15
  • Valve Size: 1.97 to 11.81
  • Media Temperature: -20 to 932
Medium Pressure Ball Check Valve -- 21BC12M
from MAXPRO Technologies, Inc.

MAXIMATOR ball check valves prevent reverse flow where bubble tight shutoff is not mandatory. These check valves are designed with a ball cradled floating poppet to assure positive inline seating. This poppet design allows full flow around the ball to minimize pressure drop. Check valves are rated... [See More]

  • Valve Type: Check
  • Maximum Pressure: 21000.00
  • Flow (Cv): 4.70
  • Connection Description: Tube Fitting
Check Valve -- VP33A-M-4N
from DK-LOK U.S.A.

Up to 3000psig (206bar). Up to 190 ℃ (375 ℉). ss316, Brass. O-ring seal blow-out proof design. Pipe thread 1/4 - 1/2 inch [See More]

  • Valve Type: Check; Lift Check
  • Maximum Pressure: 3000.00
  • Flow (Cv): 0.35
  • Media Temperature: -18 to 399
Flange Insert Valve -- 0.5" FIV
from Check-All Valve Mfg. Co.

Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 2.40
  • Valve Size: 0.50
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
Check Valve -- 716-2-1/2-E
from Victaulic Co. of America

SPRING OPERATED TYPE. 2-1/2 INCH NOMINAL SIZE. 2.5 NOMINAL SIZE - DECIMAL. 2-1/2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL APPLICABLE STANDARD. ACID, AIR, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL... [See More]

  • Valve Type: Check
  • Maximum Pressure: 300.00
  • Valve Size: 2.50
  • Media Temperature: -30 to 230
Carbon Steel Globe Silent Check Valves -- 113DT
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

  • Valve Type: Check; Ball Check; Globe; Hydraulic (optional feature)
  • Maximum Pressure: ? to 1480.00
  • Valve Size: 2.00 to 30.00
  • Media Temperature: ? to 100
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18SN
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Carbon Steel Split Disc Check Valve -- SDCV3
from Spirax-Sarco

A range of carbon steel split disc check valves in a wafer pattern suitable for fitting between ASME (ANSI) Class 150 and Class 300, JIS / KS 10K and 20K flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 739.69
  • Valve Size: 1.97 to 11.81
  • Media Temperature: 14 to 752
Medium Pressure O-ring Check Valve -- 21OC12M
from MAXPRO Technologies, Inc.

MAXIMATOR o-ring check valves provide high quality directional flow control and tight shutoff for liquids and gases. All check valves are supplied with glands and collars. These check valves are not to be used as a relief device. Materials. Body, cover, poppet, cover gland: 316 series stainless... [See More]

  • Valve Type: Check
  • Maximum Pressure: 21000.00
  • Flow (Cv): 4.70
  • Connection Description: Tube Fitting
Flanged & Drilled -- HVH (HVFD-100)
from Check-All Valve Mfg. Co.

The Check-All Flanged & Drilled check valve is a one-piece cast body valve with ANSI/ASME B16.5 Class 150 flanged ends. The HVFD series valve is used when higher flow rates and lower pressure drops are required. The valve is available in sizes 1 through 10 inches and standard materials of 316... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 14.20
  • Valve Size: 1.00
  • Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
Check Valve -- 717-2-1/2-V024717PE0
from Victaulic Co. of America

SPRING OPERATED TYPE. 2-1/2 INCH NOMINAL SIZE. 2.5 NOMINAL SIZE - DECIMAL. 2-1/2 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION... [See More]

  • Valve Type: Check
  • Maximum Pressure: 250.00
  • Valve Size: 2.50
  • Media Temperature: -30 to 230
Carbon Steel Wafer Silent Check Valves -- 131DT
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: ? to 1480.00
  • Valve Size: 1.00 to 10.00
  • Media Temperature: ? to 100
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18VK
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Carbon Steel Split Disc Check Valve -- SDCV7
from Spirax-Sarco

A range of carbon steel split disc check valves in a wafer pattern suitable for fitting between PN16 and PN40 flanges. Their function is to prevent reverse flow on a wide variety of fluids for applications in process lines, hot water systems, steam and condensate systems. The face-to-face dimension... [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 580.15
  • Valve Size: 1.97 to 11.81
  • Media Temperature: 14 to 752
Flanged & Drilled PTFE Lined -- HTH (HVFD-T-100)
from Check-All Valve Mfg. Co.

The Check-All Flanged & Drilled - PTFE Lined check valve is a one-piece body valve with ANSI/ASME flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 12.60
  • Valve Size: 1.00
  • Maximum Pressure: 55.00
Check Valve -- 717-4IN-V040717PE0
from Victaulic Co. of America

SPRING OPERATED TYPE. 4 INCH NOMINAL SIZE. 4 NOMINAL SIZE - DECIMAL. 4 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, FM, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION... [See More]

  • Valve Type: Check
  • Media Temperature: -30 to 230
  • Maximum Pressure: 250.00
Cast Bronze Globe Silent Check Valves -- 105MBP
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications. [See More]

  • Valve Type: Check; Ball Check; Globe; Hydraulic (optional feature)
  • Maximum Pressure: ? to 225.00
  • Valve Size: 2.00 to 30.00
  • Media Temperature: ? to 150
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R18VP
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Vacuum Breaker -- VB14
from Spirax-Sarco

The Spirax Sarco vacuum breaker range will protect your plant and process equipment against vacuum, and at the same time allow condensate to drain effectively from pipework and storage vessels. [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 348.09
  • Valve Size: 0.12 to 0.50
  • Media Temperature: 500
Lined Pipe Valve -- LPH (LPI-100)
from Check-All Valve Mfg. Co.

The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the flanges together. Lined Pipe... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 2.40
  • Valve Size: 1.00
  • Maximum Pressure: 55.00
Check Valve -- 717R-4IN-E
from Victaulic Co. of America

4 INCH NOMINAL SIZE. 4 NOMINAL SIZE - DECIMAL. 4 NOMINAL SIZE - FRACTIONAL. ANSI/NSF 61, FM, UL, ULC APPLICABLE STANDARD. ACID, AIR, FIRE PROTECTION, WATER APPLICATION. -30 TO 230 DEG F TEMPERATURE RATING. END SEAL EPDM GASKET, HORIZONTAL/VERTICAL INSTALLATION INCLUSIONS/FEATURES. CARBON STEEL BODY... [See More]

  • Valve Type: Check
  • Media Temperature: -30 to 230
  • Maximum Pressure: 250.00
Cast Iron Globe Silent Check Valves -- 105MAP
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge. [See More]

  • Valve Type: Check; Ball Check; Globe; Hydraulic (optional feature)
  • Maximum Pressure: 150.00 to 200.00
  • Valve Size: 2.00 to 30.00
  • Media Temperature: ? to 150
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R25NL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.25
  • Connection Description: Tube Fitting; Barbed Fitting
Wafer Check Valve -- WCV1
from Spirax-Sarco

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM. [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 348.09
  • Valve Size: 4.92 to 19.69
  • Media Temperature: -58 to 482
Mini-Check Valve -- MCV-0125
from Check-All Valve Mfg. Co.

The Check-All Mini-Check is a three piece constructed check valve. The valve is designed for minimum pressure drops. The three piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 1.10
  • Valve Size: 0.12
  • Maximum Pressure: 5000.00
Cast Iron Sure Check™ Valves -- 71
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. Elastomer seats provide bubble-tight shutoff. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: 100.00 to 200.00
  • Valve Size: 2.00 to 54.00
  • Media Temperature: -20 to 150
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R25NN
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.25
  • Connection Description: Tube Fitting; Barbed Fitting
Wafer Check Valve -- WCV2
from Spirax-Sarco

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM. [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 870.23
  • Valve Size: 4.92 to 19.69
  • Media Temperature: -58 to 482
Sanitary Cartridge Valve -- SCFSS (SCV-075-SS)
from Check-All Valve Mfg. Co.

The Sanitary Cartridge Valve is a 316 stainless steel check valve for use in new or existing sanitary systems. The SCV design seals on the ID of sanitary ferrules with replaceable food grade seals (Standard is FDA EPDM). The valves fit the Alfa Laval Inc. Bevel Seat and Tri-Clamp ® fittings, the... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Flow (Cv): 2.40
  • Valve Size: 0.75
  • Maximum Pressure: 1000.00
Chexter™ Pivot Check Valves -- 1601
from Mueller Steam Specialty

Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, centrifugal pump and compressor systems and process applications. [See More]

  • Valve Type: Check; Ball Check; Hydraulic; Pivot Valves
  • Maximum Pressure: 195.00 to 275.00
  • Valve Size: 2.00 to 36.00
  • Media Temperature: ? to 100
Barb to Barb Enlarging Disc Check Valve -- AP19CV012R25SL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.25
  • Connection Description: Tube Fitting; Barbed Fitting
Wafer Check Valve -- WCV3
from Spirax-Sarco

WCV1, WCV2 and WCV3 wafer check valves are designed to be sandwiched between flanges.They are specifically designed for use on applications where there is a high proportion of particles in the liquid e.g. sewage, paper mills, sludges etc. The standard seating ring is EPDM. [See More]

  • Valve Type: Check; Wafer
  • Maximum Pressure: 870.23
  • Valve Size: 4.92 to 19.69
  • Media Temperature: -58 to 482
Sanitary Insert Valve -- TCFTF (SIV-075-TC)
from Check-All Valve Mfg. Co.

For over 35 years, the compact, fluoropolymer (PTFE/FEP/PFA), Sanitary Insert Valve has been used as the most economical solution to providing a check valve in a new or existing sanitary piping system. This valve style is designed to fit into grooved-end clamp-type fittings. Since the Sanitary... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Flow (Cv): 2.40
  • Valve Size: 0.75
  • Maximum Pressure: 55.00
Compact Wafer Silent Check Valves -- 91
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: ? to 150.00
  • Valve Size: 1.50 to 12.00
  • Media Temperature: ? to 150
Barb to Barb Reducing Disc Check Valve -- AP19CV018R12NL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Sanitary Valve -- 3SHSS (3SC-100-SS)
from Check-All Valve Mfg. Co.

The 3-A Sanitary Check Valve is an all 316/316L stainless steel check valve with a standard 32 Ra or better finish, (finer available) for use in new or existing sanitary systems. The 3SC design seals on the ID of sanitary ferrules with 3-A specified materials (standard is EPDM). The valve seals... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Flow (Cv): 5.20
  • Valve Size: 1.00
  • Maximum Pressure: 1000.00
Compact Wafer Silent Check Valves -- 92
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: ? to 150.00
  • Valve Size: 1.50 to 12.00
  • Media Temperature: ? to 150
Barb to Barb Standard Disc Check Valve -- AP19CV0012NL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12
  • Connection Description: Tube Fitting; Barbed Fitting
Straight Sided Insert Valve -- SIJ (SSI-050)
from Check-All Valve Mfg. Co.

The Straight Sided Insert is a thread less check valve. designed to be inserted into any cavity where a check valve is needed and threads are not desired. Available Materials: 316 Stainless Steel (SS). Carbon Steel (CS). Alloy 20 (A2). Alloy C-276 (HC). Brass (BR). Alloy B (HB). MONEL ® (MO) [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 2.40
  • Valve Size: 0.50
  • Maximum Pressure: 3000.00
Iron Chexter™ Pivot Check Valves -- 1600
from Mueller Steam Specialty

Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, and centrifugal pump and compressor systems. [See More]

  • Valve Type: Check; Ball Check; Hydraulic (optional feature); Pivot Valves
  • Maximum Pressure: 150.00 to 190.00
  • Valve Size: 2.00 to 36.00
  • Media Temperature: 100 to 150
Duckbill Barb to Barb Enlarging Check Valve -- AP19DB012R18SK
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Duckbill
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Tubing Check Flared Valve -- TFB (TCVF-0250)
from Check-All Valve Mfg. Co.

The Tubing Check Valve-Flared is a three piece constructed valve with 37 º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 1.50
  • Valve Size: 0.25
  • Maximum Pressure: 3000.00 to 8500.00
Iron Chexter™ Pivot Check Valves -- 1602
from Mueller Steam Specialty

Can be used in a variety of applications including: chilled and hot water systems, refrigeration, plumbing, air conditioning, gas and liquid applications, water filtration, oxygen systems, boiler feed lines, and centrifugal pump and compressor systems. [See More]

  • Valve Type: Check; Ball Check; Hydraulic (optional feature); Pivot Valves
  • Maximum Pressure: 200.00 to 500.00
  • Valve Size: 2.00 to 24.00
  • Media Temperature: 150 to 450
Duckbill Barb to Barb Reducing Check Valve -- AP19DB018R12SK
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Duckbill
  • Maximum Pressure: 150.00
  • Valve Size: 0.12 to 0.19
  • Connection Description: Tube Fitting; Barbed Fitting
Tubing Check Valve -- TVB (TCV-0150)
from Check-All Valve Mfg. Co.

The Tubing Check Valve is a three piece constructed check valve with flareless tube ends. The valve is designed for minimum pressure drops. The valves are furnished complete with ferrules and nuts. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 0.80
  • Valve Size: 0.12
  • Maximum Pressure: 3000.00 to 8000.00
Screwed End Silent Check Valves -- 303
from Mueller Steam Specialty

Designed to prevent surge, backflow, and water hammer in liquid service. These check valves are available in cast iron, bronze or stainless steel, pressure and temperature conditions will dictate the appropriate body material. For air and gas applications, consult factory. [See More]

  • Valve Type: Check; Ball Check; Hydraulic (optional feature)
  • Maximum Pressure: 200.00 to 600.00
  • Valve Size: 0.25 to 2.00
  • Media Temperature: ? to 150
Duckbill Standard Barb to Barb Check Valve -- AP19DB0012SK
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Duckbill
  • Maximum Pressure: 150.00
  • Valve Size: 0.12
  • Connection Description: Tube Fitting; Barbed Fitting
Union Insert Valve -- UVD (UIV-050)
from Check-All Valve Mfg. Co.

The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system. A check valve may be installed anywhere in the... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 2.30
  • Valve Size: 0.50
  • Maximum Pressure: 3000.00
Various Steel Sure Check™ Valves -- 76
from Mueller Steam Specialty

Designed for liquids and gases where flow reversal can cause surge and water hammer. [See More]

  • Valve Type: Check; Wafer; Hydraulic (optional feature)
  • Maximum Pressure: 640.00 to 1480.00
  • Valve Size: 2.00 to 12.00
  • Media Temperature: -20 to 850
Male to Male Luer Check Valve -- AP12CVMXMSL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check
  • Actuation: Mechanical
  • Connection Description: Union; Luer Fitting
Universal High Pressure Valve -- U1C ( UN-10-0375)
from Check-All Valve Mfg. Co.

The Universal High Pressure check valve is a one piece body machined from bar stock with female pipe threads. The valve is designed and manufactured for high pressure applications. For applications below 3000 PSIG, view our UN-3 series. Available Materials: 316 Stainless Steel (SS). Alloy B (HB). [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Hydraulic; Relief; Anti-Siphon
  • Flow (Cv): 1.90
  • Valve Size: 0.38
  • Maximum Pressure: 10000.00
Thread to Barb Check Valve -- AP191227CV012NL
from Ark-Plas® Products, Inc.

All Ark-Plas ® Check Valve barbs are molded without a parting line. This means that every sealing surface on each barb is seamless all the way around, eliminating flash, or mold mismatch. Coupled with our high-quality manufacturing processes, a barb without a parting line helps to ensure a... [See More]

  • Valve Type: Check; Ball Check
  • Maximum Pressure: 150.00
  • Valve Size: 0.12
  • Connection Description: Threaded; 1/8"-27 NPT