Vacuum Relief / Anti-siphon Valves Steam Valves

37 Results
Gas Valve -- 216815662
from Radwell International

DISCONTINUED BY MANUFACTURER, VALVE, NON-CODE, LIQUID RELIEF, ASME SECTION VIII, AIR/GAS AND STEAM, 1/2 INCH NPT MALE, 1 INCH NPT FEMALE, 58 PSI, 4-3300 PSIG, -20 TO 550 F. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 106027480 [1200A-04-115-TOO from Groth Corporation]
from Radwell International

DISCONTINUED BY MANUFACTURER, PRESSURE/VACUUM RELIEF VALVE, INLET FLG: 04" (100 MM), ALUMINUM BODY, ALUMINUM SEAT, 316 SS PALLET, DIAPHAGM MATERIAL: TEFLON, NO STEAM JACKET, NO SPECIALS. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 119337218
from Radwell International

PRESSURE RELIEF VALVE, MALE X FEMAL THREADED OR NPT, 1/2IN INLET SIZE, METAL TO METAL, PACKED LEVER, STEAM, SST SPRING MATERIAL, 125PSIG SET . FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
  • Connection Description: Threaded
Pressure Relief Valve -- 122094983
from Radwell International

SENTINEL RELIEF VALVE, 1/2", NON-CODE STEAM, 302 SST, 85 PSIG. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 154953919 [138455 from Watts]
from Radwell International

DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 1/2 INCH, N36, VACUUM, MAX 200 LBS PSI, 250 DEGREE F MAX, 15 LBS STEAM, (DISCONTINUED 6/14/2013). FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 176136840
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, EPR SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 186223354
from Radwell International

DISCONTINUED BY MANUFACTURER, STEAM RELIEF VALVE, 50PSIG, SIZE 6, CAPACITY 333. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 19021855 [10-322-P50 from Apollo Valves]
from Radwell International

STEAM RELIEF VALVE, 3/4-INCH, 625PPH POLCHRM. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 20471927
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.554 IN2 ORIFICE, 1-1/4 IN INLET, 1-1/2 IN OUTLET, METAL SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 20476219
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, METAL SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 40 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 218208311 [560DD1M1A-45 from Aquatrol, Inc.]
from Radwell International

DISCONTINUED BY MANUFACTURER, SAFETY AND RELIEF VALVE, 3/4X3/4 INCH NPT, LIFT LEVER, ASME STEAM, BRASS BRONZE, SET 45. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 223268404
from Radwell International

SAFETY RELIEF VALVE, MODEL 6182, TOP OUTLET, 125 PSI, STEAM BOILER SERVICE, 1 INCH MNPT. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 23894029
from Radwell International

PRESSURE RELIEF VALVE, BRONZE, 25 PSI WSP, 300 PSI WOG, 1 IN NPT, STEAM, ANGLED, . FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Anti-Siphon
Pressure Relief Valve -- 24275351
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 1.414 IN2 ORIFICE, 2 IN INLET, 2-1/2 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 32779156
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.336 IN2 ORIFICE, 1 IN INLET, 1-1/4 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 38445812
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.554 IN2 ORIFICE, 1-1/4 IN INLET, 1-1/2 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
Pressure Relief Valve -- 53664230
from Radwell International

SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]

  • Valve Type: Relief; Safety; Anti-Siphon
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; Relief; Anti-Siphon; Bushing Valve
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Number of Ports: 2
Vacuum Breaker Valve VB Series
from Process Technology

Protects fluoropolymer heat exchangers from collapse damage due to vacuum conditions that often occur in steam lines. FEATURES. Brass body with stainless steel operating mechanism and EPR O-ring seat. SPECIFICATIONS. ½-inch FNPT only. Maximum steam service: 50 PSIG. Maximum temperature... [See More]

  • Valve Type: Anti-Siphon
  • Maximum Pressure: 50.00
  • Valve Size: 0.50
  • Connection Description: Threaded
Butt Weld Check Valve -- B4D (B4-050)
from Check-All Valve Mfg. Co.

The Butt Weld (B4) check valve is a one piece body machined from bar stock, eliminating porosity concerns and providing uniform density for more consistent welds. Made to ASME/ANSI B16.25 for schedule 40 pipe, it carries rugged, dependable Check-All trim with a wide variety of seat materials and... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Maximum Pressure: 1500.00 to 5000.00
  • Valve Size: 0.50
  • Number of Ports: 2
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
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Number of Ports: 2
  • Valve Size: 0.50
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
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; Relief; Anti-Siphon
  • Number of Ports: 2
  • Valve Size: 1.00
  • Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
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; Relief; Anti-Siphon
  • Maximum Pressure: 55.00
  • Valve Size: 1.00
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 55.00
  • Valve Size: 1.00
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 5000.00
  • Valve Size: 0.12
  • Number of Ports: 2
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; Cartridge; Poppet; Directional; Relief; Sanitary; Anti-Siphon
  • Maximum Pressure: 1000.00
  • Valve Size: 0.75
  • Number of Ports: 2
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; Sanitary; Anti-Siphon
  • Maximum Pressure: 55.00
  • Valve Size: 0.75
  • Number of Ports: 2
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; Sanitary; Anti-Siphon
  • Maximum Pressure: 1000.00
  • Valve Size: 1.00
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 3000.00 to 8500.00
  • Valve Size: 0.25
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 3000.00 to 8000.00
  • Valve Size: 0.12
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 3000.00
  • Valve Size: 0.50
  • Number of Ports: 2
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; Relief; Anti-Siphon
  • Maximum Pressure: 10000.00
  • Valve Size: 0.38
  • Number of Ports: 2
Universal Low Pressure Valve -- U3C (UN-3-0375)
from Check-All Valve Mfg. Co.

The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10 series. For applications where weld joint are... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Maximum Pressure: 3000.00
  • Valve Size: 0.38
  • Number of Ports: 2
Universal Socket Weld -- USC (UN-SW-0375)
from Check-All Valve Mfg. Co.

The Universal Socket Weld check valve is machined from bar stock and designed for a minimum pressure drop. It carries rugged, dependable Check-All trim and there is a wide variety of seat materials and cracking pressures to choose from. This valve series is particularly attractive when weld joints... [See More]

  • Valve Type: Check; Lift Check; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Maximum Pressure: 5000.00
  • Valve Size: 0.38
  • Number of Ports: 2
Wafer Check Valve -- WVD (WIV-050)
from Check-All Valve Mfg. Co.

The Wafer Insert (WV) valve is designed to fit between two mating ANSI flanges. Two gaskets are required, instead of the one normally used. The "drop in" valve body fits inside the bolt circle for quick installation and removal in rigid piping applications where the use of the F1, F6, or FP are not... [See More]

  • Valve Type: Check; Lift Check; Wafer; Back Flow; Poppet; Directional; Relief; Anti-Siphon
  • Number of Ports: 2
  • Valve Size: 0.50
  • Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange