3 PVC Sewage Check Valves

Description: construction which eliminates corrosion. FKM seals, O-rings and ball seats. Equally effective in checking backflow from head pressure on the discharge or suction side of pump. Seating head 1/2" thru 3/4" 6-7 psi; 1" thru 2" 4-5 psi; 3" size 3-4 psi. 2 pound positive back

• Connection: Union, Socket Weld / Solder
• Material of Construction: PVC
• Valve Size: 3 inch
• Valve Type: Ball / Disk Check Valves

Description: PVC Vertical and horizontal installation 125 PSI rated Models available - CV125C 1-1/4", CV150C 1-1/2", CV200C 2", CV300C 3"

• Material of Construction: PVC
• Pressure Rating: 125 psi
• Valve Size: 3 inch

Description: WC Series wafer check valves are offered in PVC, PP and PVDF. O-ring material is FPM, EPDM or PTFE encapsulated FPM. Sizes up to 8 in. are supplied with a spacer in PVC and PP materials only. Spacers are not required for DIN or PVDF pipe installations. Spacers allow full

• Connection: Threaded, Tube Fitting, Socket Weld / Solder
• Material of Construction: Polypropylene (PP), PVC, PVDF
• Media Description: Water, Potable Water, Wastewater
• Media Temperature: 70 F

Description: 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

• Agency / Standard: ANSI, ASME, MSS, ISO
• Back Flow Preventer Assembly: Yes
• Connection: Bolt Flange
• Flow (Cv): 89

Description: for horizontal and vertical installations. Valves have a round body design with incorporated notches for flange bolt alignment and incorporated valve lifting eyelet with flow direction arrow. All seals are EPDM (NSF61). All K6 series thermoplastic wafer check valves shall

• Material of Construction: PVC
• Valve Size: 3 inch
• Valve Type: Wafer / Split Disc Check Valves

Description: Flow-tested for minimum turbulence. Fully serviceable, replaceable components, uses standard o-ring seat. Safe-T-Blocked seal carrier - full rated pressure. Easily converted to foot valve. NSF Certified for potable water use. Sizes 1/2" - 2" pressure rated to 235 psi @ 73F, sizes 3" -

• Connection: Threaded, Union
• Material of Construction: PVC
• Valve Size: 3 inch
• Valve Type: Ball / Disk Check Valves

Description: Valves are very easy to maintain by allowing for easy removal from a piping system without breaking down the piping connections. Just unscrew the assembly nuts and lift the valve body out of the line. Valves prevent reversal of flow in piping systems. They are ideal where

• Connection: Threaded, Union
• Material of Construction: PVC
• Valve Size: 3 inch

Description: New Full Pattern Wafer Check Valves in PVC and CPVC, sizes 2" - 8' with FPM or EPDM Gasket and Disc Seals. Spring return option in 316 Stainless Steel or Hastelloy materials. No spacers or specialty flanges required. Features Robust Full Pattern Body in PVC, CPVC and

• Connection: Threaded
• Material of Construction: CPVC, PVC
• Media Description: Water, Potable Water, Wastewater
• Media Temperature: 70 F

Description: SW Series swing check valves are offered in PVC, Corzan CPVC and PP. Seals and seats are FPM or EPDM. A counterweight is an option for added stability. Swing check valves are furnished with two o-ring flange seals so no additional gaskets are required for

• Connection: Bolt Flange
• Material of Construction: CPVC, Polypropylene (PP), PVC, Other
• Media Description: Water, Potable Water, Wastewater
• Media Temperature: 70 F

Description: Valves:Economy Swing Check Valve:Soc x Soc

• Material of Construction: PVC
• Valve Size: 3 inch
• Valve Type: Swing Check Valves

Description: TC Series true union ball check valves are offered in PVC, Corzan CPVC, and PP. O-rings and seats are FPM or EPDM. 1/4 in. and 3/8 in. sizes are PVConly and are trim check design. They have socket or threaded end connections. Others up to 2 in. sizes have socket

• Connection: Threaded, Socket Weld / Solder
• Material of Construction: CPVC, Polypropylene (PP), PVC, Other
• Media Description: Water, Potable Water
• Media Temperature: 70 F

Description: Series CKS An encapsulated spring and sliding poppet provides the same normally-closed, bubble-tight performance in larger sizes 1 1/2” through 4?.

• Connection: Threaded, Socket Weld / Solder
• Flow (Cv): 45 to 95
• Material of Construction: Polypropylene (PP), PVC, PVDF
• Media Description: Other

Description: A ball check valve with a foot screen can be installed vertically or horizontally on the suction side of a pumpp. The foot valve is an optional ball check valve arrangement where a screen is fitted into the inlet end of a ball check valve. This screen

• Material of Construction: PVC, Other
• Valve Size: 0.5000 to 4 inch

Description: Wafer check valves have a solid thermoplastic body with a very thin "wafer" profile that makes them an ideal check valve for applications that require valves with short takeout lengths. Similar in operation to a swing check valve, the wafer

• Material of Construction: PVC, Other
• Media Description: Powder / Solids
• Valve Size: 3 to 12 inch

Description: The Asahi/America ball check valve employs a free moving ball, which unseats to permit flow in one direction, but seals against a seat to prevent backflow. It may be installed vertically or horizontally. Also available as foot valve for suction side of pump.

• Material of Construction: Polypropylene (PP), PVC, PVDF, Other
• Valve Size: 0.5000 to 4 inch

Description: Swing check valves have the option to install an external spring assist assembly. This spring is made from 316SS and is mounted external to the valve. When fluid pressure starts to drop, the spring retracts the swing arm and brings the disc back into the seat position. This

• Material of Construction: Polypropylene (PP), PVC, PVDF, Other
• Valve Size: 0.7500 to 8 inch

Description: GF Piping Systems plastic check valves provide minimum pressure loss and can be mounted horizontally or vertically. Our check valves offer good flow characteristics and compact design. Types: Types 561 and 562 ring in a new generation of valves, featuring more

• Agency / Standard: ISO
• Connection: Bolt Flange, Tube Fitting, Butt Weld, Socket Weld / Solder
• Material of Construction: CPVC, Polypropylene (PP), PVC, PVDF
• Valve Size: 0.3750 to 12 inch

Description: PVC Schedule 80 Valves for use with hot corrosive liquids, chemical processing, industrial plating, chilled water service, deionized water lines, vacuum service, and waste treatment systems. Valve pressure rating 250 psi at 73°F water non-shock, Full port, Maximum service

• Agency / Standard: ANSI, NSF
• Connection: Threaded, Bolt Flange, Union, Socket Weld / Solder
• Material of Construction: PVC
• Media Temperature: 140 F

Description: 402S6R/402S6 - All 316 stainless steel globe style silent check valve, designed for class 150 flanges. Consult factory for pressure rating standards. Consult factory for additional sizes NSF/ANSI 61 and 372 approved. For reference use only. Please check Flomatic's website for

• Agency / Standard: ANSI, NSF
• Material of Construction: Stainless Steel
• Media Temperature: 200 F
• Pressure Rating: 275 psi

Description: 80S6 - All 316 stainless steel female threaded check valve body. Stainless steel spring, poppet and a Viton seal, (Buna-N) optional. Pressure Max: 450 PSI Temp Max: 400°F (200°C) NSF/ANSI 61 and 372 approved. For reference use only. Please check Flomatic's website for the latest

• Agency / Standard: ANSI, NSF
• Connection: Threaded
• Material of Construction: Stainless Steel
• Media Temperature: 400 F

Description: 357 - Cast iron body and strainer. Threaded female connection. Hinged leather seat. For reference use only. Please check Flomatic's website for the latest valve product specifications.

• Connection: Threaded
• Material of Construction: Cast Iron
• Media Temperature: 80 F
• Pressure Rating: 20 psi

Description: 812XT - All 316 stainless steel, threaded 3 piece check valve and body. Metal to metal seating, Teflon O-ring, 1 ½"– 8" available with NITRILE (Buna-N) or VITON seal optional. 2"– 6" available with socket weld connection, add 25% to list, to order replace "T" from the end of

• Agency / Standard: ANSI, NSF
• Connection: Threaded
• Material of Construction: Stainless Steel
• Media Temperature: 400 F

Description: ValvTechnologies is an exclusive distributor of in-line check valves for nuclear applications and licensed manufacturer of ASME III and safety-related check valves. Designed to prevent "water hammer", the spring-assisted, in-line design featured in all DFT® check

• Agency / Standard: ANSI, ASME
• Media Description: Water, Other
• Valve Size: 0.2500 to 24 inch
• Valve Type: Ball / Disk Check Valves

Description: 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

• Agency / Standard: ANSI, API
• Connection: Bolt Flange
• Flow (Cv): 55 to 2300
• Material of Construction: Stainless Steel, Steel

Description: High Flow Rate Spring Loaded Lead Free Brass Foot Valve FNPT Threaded w/ NBR Seat

• Agency / Standard: DIN
• Connection: Threaded
• Material of Construction: Brass / Bronze
• Media Description: Water, Gas

Description: Features & Benefits For more information about our swing check valves, please visit our FAQ page.

• Agency / Standard: NSF
• Connection: Bolt Flange
• Material of Construction: Ductile Iron, Other
• Valve Size: 3 to 36 inch

Description: CIRCOR Energy continuously provides the industry with technically superior products oriented toward applications that can be exceptionally severe. And today, we produce a comprehensive portfolio of check valve configurations and materials that provide opportunities to service customers

• Agency / Standard: ANSI, API
• Connection: Threaded, Bolt Flange, Clamp Flange
• Material of Construction: Cast Iron, Stainless Steel, Steel
• Media Description: Wastewater

Description: Designed for liquids and gases where flow reversal can cause surge and water hammer. Used extensively in pump suction and discharge applications.

• Connection: Bolt Flange
• Material of Construction: Other
• Media Description: Air, Water, Hot Water, Cold Water, Potable Water, Salt Water, Wastewater, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid
• Media Temperature: Up to 100 F

Description: 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

• Connection: Butt Weld
• Material of Construction: Steel
• Media Description: Water, Hot Water, Cold Water, Gas, Steam, Other
• Media Temperature: 14 to 1202 F

Description: Armstrong’s inline check valves are ideally suited for refrigerant flow control applications. The valves open wide for flow. These valves close quickly and are reliable when flow reversal occurs. The inline check valves feature a plated body, stainless steel

• Connection: Bolt Flange
• Material of Construction: Stainless Steel
• Media Description: Other
• Media Temperature: -50 to 240 F

Description: protection Alfa Laval LKC-2 non-return valves are highly reliable check valves ensure single directional product flow through process lines. This provides protection for process equipment that can be affected by reverse flow and prevents pressure surges and/or system shutdown.

• Agency / Standard: ISO
• Connection: Butt Weld
• Material of Construction: Stainless Steel
• Media Description: Water

Description: CHV-X check valves are available in angleway versions. The valves are designed to open at very low differential pressures, allow favourable flow conditions and are easy to disassemble for inspection and service. Laser cut V-ports provide excellent opening characteristics (CHV-X

• Connection: Socket Weld / Solder
• Material of Construction: Copper
• Media Description: Gas, Other
• Media Temperature: -76 to 302 F

Description: and blow out is minimized. Additionally, PFA and FEP liners are inherently less porous than PTFE. Xomox Lined Swing check, Ball check, piston check and Poppet check have PFA as standard lining and uses the cast dovetail recesses and machined grooves to lock the liner to

• Connection: Bolt Flange
• Flow (Cv): 100
• Material of Construction: Ductile Iron, Other
• Media Description: Air

Description: Swing Check Valve with Cast Iron, Ductile Iron, Aluminum Bronze, and Stainless Steel Materials Model Number:LD 016-WCK4 Key Specifications/Speci al Features: Working pressure: PN10, PN16, 125LBS Body materials: cast iron, ductile iron, aluminum

• Agency / Standard: ANSI, API, DIN
• Connection: Bolt Flange, Butt Weld
• Material of Construction: Aluminum, Brass / Bronze, Cast Iron, Ductile Iron, Stainless Steel, Steel
• Media Description: Water, Hot Water, Cold Water, Potable Water, Salt Water, Wastewater, Gas, Gasoline / Diesel Fuel, LP - Gas, Natural Gas, Sour Gas

Description: 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

• Agency / Standard: ASME
• Connection: Bolt Flange, Butt Weld
• Valve Size: 2 to 60 inch