Butt Weld Check Valves

31 Results
Concentric Check Valve -- CCV-W-.5
from Lumaco Sanitary Valves

Self-draining when installed vertically, it meets all 3A standards [See More]

  • Connection Description: Butt Weld; Weld Ends
  • Valve Size: 0.50
  • Material Of Construction: Stainless Steel
  • Maximum Pressure: 150.00
Check Valves -- Class -150,300, 900, 2500, 4500 available
from Curtiss-Wright, Valve Group

Curtis Wright provides a variety of industrial grade check valves that meet the harsh environments suitable for applications such as power and oil, petrochemical, hydrocarbon service, seawater cooling systems, offshore applications. Curtiss-Wright check valves are supplied through their Phonix,... [See More]

  • Connection Description: BoltFlange; Butt Weld; Socket Weld
  • Material Of Construction: Stainless Steel; Steel; Exotic Metal
  • Valve Type: BallDisk; Swing; Severe Service
  • Valve Size: 0.50 to 24.00
Check Valves for Ammonia and Fluorinated Refrigerants -- NRVA
from Danfoss A/S

Check valve type NRVA can be used in liquid, suction and hot gas lines in refrigeration and air conditioning plants with ammonia. NRVA can also be used in refrigeration systems with fluorinated refrigerants.When NRVA is used in liquid lines where cold thick oil or impurities may be present, it is... [See More]

  • Connection Description: Butt Weld
  • Valve Size: 0.50 to 2.50
  • Material Of Construction: Copper
  • Maximum Pressure: 580.15
LKC Non-Return Valve
from Alfa Laval Inc.

Specially designed for use in stainless steel pipe installations, LKC-2 non-return valves prevent the reverse flow of fluids. Widely used in various processes throughout the sanitary industry, these standard non-return valves are safe and highly reliable. Safe and reliable process protection. Alfa... [See More]

  • Connection Description: Butt Weld
  • Valve Size: 0.89 to 3.94
  • Material Of Construction: Stainless Steel
  • Maximum Pressure: 145.04
Cast Swing Check Valve -- SICCA 900-2500 SCC
from KSB AG

Design. Cast swing check valve to ASME B16.34. Pressure seal cover.Internal hinge pin mounted design. Stellite hard-faced seating surfaces, graphite gasket. Pressure/temperature ratings to ASME B16.34. Butt weldends to ASME B16.25 standard. Face-to-face length to ASME B16.10, valve testing in... [See More]

  • Connection Description: Butt Weld
  • Material Of Construction: Steel
  • Valve Type: Swing
  • Valve Size: 1.97 to 15.75
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]

  • Connection Description: Butt Weld; Face Seal (optional feature)
  • Material Of Construction: Stainless Steel; Steel; Exotic Metal; Alloy 20,Alloy C-276, Monel, Alloy B
  • Valve Type: Lift Check; Poppet; Back Flow
  • Valve Size: 0.50
Dual Plate Check Valve -- LD 016-WCK3
from Xiamen Landee Industries Co., Ltd.

Key Specifications/Special Features: Working pressure: PN10; PN16. Body materials: cast iron, ductile iron, aluminum bronze, stainless steel and carbon steel. Applicable temperature: from -40 to +230 degrees C. Size range: from 2 to 40 inches diameter (DN25 to DN1000mm). Face to face according to... [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel; Carbon Steel
  • Valve Type: Swing
  • Valve Size: 2.00 to 40.00
Stop Check Valves
from Armstrong International

Low pressure drop refrigerant stop check valves are butt-weldable directly to steel piping, thereby eliminating potential leaky flanges or threaded joints and simplifying installation. The important features of these valves are non-leak packing and have a back seat design. In valve open position, if... [See More]

  • Connection Description: Butt Weld
  • Media Temperature: -60 to 240
  • Maximum Pressure: 365.00
  • Media: Refrigerants
Cast Full Port Lift Check Valves -- Pressure Class 150-600
from Cooper Valves

COOPER ® Valves full port lift check valves are an excellent choice for applications where faster closing speeds are required to prevent surges. Cooper lift checks are built with an Inconel X-750 spring for extra strength and corrosion resistance. Cooper lift checks have a low differential... [See More]

  • Connection Description: Threaded; BoltFlange; Butt Weld; RFF RTJ BW
  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Type: Lift Check; Severe Service
  • Valve Size: 0.50 to 3.00
Bolted Cover Piston Check Valves
from Velan, Inc.

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world. Only Velan offers the advantages of one-piece forged... [See More]

  • Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld
  • Media: Water; Wastewater; Steam
  • Valve Size: 2.50 to 14.00
  • Agency: ASME
LKC UltraPure Non-Return Valve
from Alfa Laval Inc.

Designed to meet the specific demands of the biotech, pharmaceutical and personal care industries, the LKC UltraPure non-return valve provide safe, easy installation and high, consistent quality. UltraPure quality. LKC UltraPure is developed to facilitate safe and easy installation that ensures... [See More]

  • Connection Description: Clamp Flange; Butt Weld
  • Valve Size: 0.89 to 3.94
  • Material Of Construction: Stainless Steel
  • Maximum Pressure: 145.04
Weld End Swing Check Valve -- ZRR
from KSB AG

Weld end swing check valve with bolted cover, internal hinge pin, forged body, made of steel or stainless steel. Applications. Safety feed, feed water, live steam and condensate systems. Overview of technical data. Actuator options available ex works. No. Valve disc/plug material. Metal- to-metal... [See More]

  • Connection Description: Butt Weld
  • Material Of Construction: Stainless Steel
  • Valve Type: Swing
  • Valve Size: 1.97 to 23.62
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]

  • Connection Description: Clamp Flange (optional feature); Union (optional feature); Butt Weld; Face Seal (optional feature); 3/4" Line Size
  • Material Of Construction: Stainless Steel
  • Valve Type: Cartridge; Lift Check; Poppet; Back Flow
  • Valve Size: 0.75
Forged Steel Valve -- LD 007-FST
from Xiamen Landee Industries Co., Ltd.

Forged Steel Valves, Meeting International Standards. Model Number: LD 007-FST. Key Specifications/Special Features: Type: gate, globe, check, needle, etc. Manufacturing standards: API, ANSI, BS, DIN, JIS. Size range: from 1/8 inch to 2-1/2 inch (DN6mm - DN65mm). Pressure: from ANSI class 150 to... [See More]

  • Connection Description: Threaded; Butt Weld; Socket Weld; Flanged
  • Valve Size: 0.12 to 2.50
  • Material Of Construction: Steel; Carbon Steel
  • Maximum Pressure: 150.00 to 2500.00
Stop Valves
from Armstrong International

Armstrong ’s refrigeration stop valves have a rugged design for industrial use. These valves are equipped with union nut for ease of replacement and provided with weldable nipple. Features: Port size: .23in - .39in (6mm – 10mm) Globe and Angle Type. Connections: Butt weld [See More]

  • Connection Description: Butt Weld
  • Media: Refrigerants
  • Valve Size: 0.23 to 0.39
Cast Full Port Swing Check Valves -- Pressure Class 150-600
from Cooper Valves

COOPER ® Valves cast check valves have a simple yet reliable design that allows them to perform with low pressure drop and excellent seat tightness. The Cooper cast check valve is also available for cryogenic service with an extended bonnet. Cast check valves larger than 12 ” are available... [See More]

  • Connection Description: Threaded; BoltFlange; Butt Weld; Socket Weld; RFF BW RTJ
  • Material Of Construction: Stainless Steel; Exotic Metal; Nickel Alloy, Monel, Hastelloy, Incoloy, Inconel,Titanium Alloy, Zirconium Alloy
  • Valve Type: Swing; Severe Service
  • Valve Size: 0.50 to 24.00
Bolted Cover Swing Check Valves
from Velan, Inc.

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in thermal and nuclear power plants as well as oil and gas industry applications around the world. Only Velan offers the advantages of one-piece forged... [See More]

  • Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld
  • Valve Size: 2.50 to 24.00
  • Valve Type: Swing
  • Media: Water; Wastewater
Weld End Swing Check Valve -- ZRS
from KSB AG

Design. Weld end swing check valve in pressure seal design, with internal hinge pin, billet forged body; seats made of wear and corrosion resistant stellite. Applications. In industrial plants, power stations, process engineering and shipbuilding. For water, steam, gas, oil and other non-aggressive... [See More]

  • Connection Description: Butt Weld
  • Material Of Construction: Steel
  • Valve Type: Swing
  • Valve Size: 1.97 to 31.50
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]

  • Connection Description: Clamp Flange; Butt Weld; Face Seal (optional feature); 3/4" Line Size
  • Material Of Construction: FEP Encapsulator; PTFE
  • Valve Type: Lift Check; Poppet; Back Flow
  • Valve Size: 0.75
Swing Check Valve -- LD 016-WCK4
from Xiamen Landee Industries Co., Ltd.

Swing Check Valve with Cast Iron, Ductile Iron, Aluminum Bronze, and Stainless Steel Materials. Model Number:LD 016-WCK4. Key Specifications/Special Features: Working pressure: PN10, PN16, 125LBS. Body materials: cast iron, ductile iron, aluminum bronze, stainless steel, and carbon steel. Applicable... [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel
  • Valve Type: Swing
  • Valve Size: 2.00 to 40.00
Weld-in Line Stop Valves
from Armstrong International

Armstrong ’s SSW and SBW Series are designed and constructed for low pressure drop refrigerant shut-off valves. The stop valves are welded directly to steel piping, thereby eliminating potential leaky flanges or threaded joints and simplifying installations. Features: Refrigerants: suitable... [See More]

  • Connection Description: Butt Weld; Socket Weld
  • Valve Size: 0.50 to 1.25
  • Material Of Construction: Stainless Steel
  • Maximum Pressure: 365.00
Cyrogenic Full Port Check Valves -- Pressure Class 150-600
from Cooper Valves

Extreme temperatures and pressures require extreme precision and durability —just what Cooper's cryogenic full port check valves deliver. They're available in a variety of sizes ranging from 1/2" to 12", a range of ASME pressure classes, with bolted cover and metal or renewable disks. Options... [See More]

  • Connection Description: BoltFlange; Butt Weld; RFF BW
  • Material Of Construction: Stainless Steel
  • Valve Type: Swing; Severe Service
  • Valve Size: 0.50 to 12.00
Cryogenic Swing Check Valves
from Velan, Inc.

Cast steel gate, globe and check valves with industry-leading emissions, shutoff and repairability performance. Features and benefits. All basic design features of Velan cast steel swing check valves are adapted to special service conditions at cryogenic temperatures. ADDITIONAL DESIGN FEATURES:... [See More]

  • Connection Description: BoltFlange; Butt Weld; Butt weld, Flanged
  • Valve Size: 2.00 to 36.00
  • Valve Type: Swing
  • Agency: ASME
Swing Check Valve -- LD-003-CK
from Xiamen Landee Industries Co., Ltd.

Cast Steel Check Valve Delivered in 30 Days. Model Number: LD-003-CK. Key Specifications/Special Features: Manufacturing standards: API, ANSI, BS, DIN, JIS. Size range: from 1/2 inch to 32 inch (DN15mm - DN800mm). Pressure: from ANSI class 150 to 2500 (PN1.6-42MPa). Operating temperature: from -196... [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Stainless Steel; Steel; Carbon Steel
  • Valve Type: Swing
  • Valve Size: 0.50 to 32.00
Dual-plate Check Valves
from Velan, Inc.

Retainerless dual-plate check valves for a broad range of applications. Features and benefits. • BODY SURFACE WITH UNINTERRUPTED GASKET SURFACE: Proquip dual plate check valves use an internal retention method which does not encroach on the gasket sealing surface. Other retainerless designs... [See More]

  • Connection Description: BoltFlange; Butt Weld; Wafer, Lug, Flanged, Butt Weld, Hub
  • Agency: ASME
  • Valve Size: 2.00 to 60.00
Swing Check Valve -- LD-003-CK2
from Xiamen Landee Industries Co., Ltd.

Swing Check Valves, Pressure from ANSI Class 150 to 2500 (PN1.6-42MPa). Model Number:LD-003-CK2. Key Specifications/Special Features: Pressure: from ANSI class 150 to 2500 (PN1.6-42MPa). Manufacturing standards: API, ANSI, BS, DIN, JIS. Size range: from 1/2 inch to 32 inch (DN15mm - DN800mm). [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Aluminum; Brass / Bronze; Cast Iron; Ductile Iron; Stainless Steel; Steel; Carbon Steel
  • Valve Type: Swing
  • Valve Size: 0.50 to 32.00
Piston Check Valves
from Velan, Inc.

Forged, one-piece inclined globe and check valves for high pressure applications. Features and benefits. • Solid CoCr alloy disc, fully guided for fast and full seating, even without spring. • High Cv. • Self-draining waterways. [See More]

  • Connection Description: Threaded; Butt Weld; Socket Weld; Threaded, Socket weld, Butt weld
  • Media: Water
  • Valve Size: 0.50 to 4.00
  • Agency: ASME
Wafer Check Valve -- LD 003-CK1
from Xiamen Landee Industries Co., Ltd.

Wafer Check Valves with Stainless Steel CF8, API, ANSI, BS and DIN Manufacturing Standards. Model Number: LD 003-CK1. Key Specifications/Special Features: Body materials: carbon steel, alloy steel and stainless steel. Manufacturing standards: API, ANSI, BS and DIN. Sizes range: from 2 to 48-inch... [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Stainless Steel; Steel; Carbon Steel
  • Valve Type: Wafer
  • Valve Size: 2.00 to 40.00
Pressure Seal Piston Check Valves
from Velan, Inc.

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in conventional thermal and nuclear power plants as well as other HP steam services around the world. Also preferred in high pressure, high temperature... [See More]

  • Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld
  • Agency: ASME
  • Valve Size: 2.00 to 14.00
Wafer Check Valve -- LD 016-WCK
from Xiamen Landee Industries Co., Ltd.

API, ANSI, BS, DIN-Standard Wafer Check Valves. Model Number: LD 016-WCK. Key Specifications/Special Features: Manufacturing standards: API, ANSI, BS, DIN. Sizes range: from 1" diameter to 24" diameter (DN25mm - DN600mm). Pressure: from ANSI class 150 to 2500 (PN1.6 - 42MPa). Body materials: carbon... [See More]

  • Connection Description: BoltFlange; Butt Weld
  • Material Of Construction: Stainless Steel; Steel; Carbon Steel
  • Valve Type: Wafer
  • Valve Size: 1.00 to 24.00
Pressure Seal Swing Check Valves
from Velan, Inc.

A complete range of gate, globe and check valves for all of your high pressure and high temperature applications, proven over years of service in conventional thermal and nuclear power plants as well as other HP steam services around the world. Also preferred in high pressure, high temperature... [See More]

  • Connection Description: Butt Weld; Socket Weld; Socket weld, Butt weld
  • Valve Size: 2.00 to 24.00
  • Valve Type: Swing
  • Agency: ASME