U.S. Plastic Corporation Datasheets for Check Valves
Check valves are self-activating safety valves that permit gases and liquids to flow in only one direction, preventing process flow from reversing. They are classified as one-way directional valves.
Check Valves: Learn more
Product Name | Notes |
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1 1/2"cks cpvc diaphragm chk vlv-viton | |
1 1/2"cks cpvc diaphragm ck valve-epdm | |
1 1/2"cks pp diaphragm check valve-epdm | |
1 1/2"cks pp diaphragm check vlv-viton | |
1 1/2"cks pvc diaphrgm check valve-epdm | |
1 1/2"cks pvc diaphrgm chk valve-viton | |
1" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
1-1/2" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
1-1/4" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
1/2" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
2" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 1.80" wide and 2.25" overall... | |
2" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
2"cks cpvc diaphragm check valve-epdm | |
2"cks cpvc diaphragm check valve-viton | |
2"cks pp diaphragm check valve-epdm | |
2"cks pp diaphragm check valve-viton | |
2"cks pvc diaphrgm check valve-epdm | |
2"cks pvc diaphrgm chk valve-viton | |
2-1/2" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 2.30" wide and 6.00" overall... | |
3" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 2.40" wide and 6.50" overall... | |
3"cks cpvc diaphragm check valve-epdm | |
3"cks cpvc diaphragm check valve-viton | |
3"cks pp diaphragm check valve-epdm | |
3"cks pp diaphragm check valve-viton | |
3"cks pvc diaphrgm check valve-epdm | |
3"cks pvc diaphrgm chk valve-viton | |
3/4" PVC Spring Check valves are used to prevent back-flow and siphoning. The 2 lb. SS spring maintains a positive seal even when no back pressure is present. Suggest applications:... | |
4" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 2.90" wide and 9.00" overall... | |
4"cks cpvc diaphragm check valve-epdm | |
4"cks cpvc diaphragm check valve-viton | |
4"cks pp diaphragm check valve-epdm | |
4"cks pp diaphragm check valve-viton | |
4"cks pvc diaphrgm check valve-epdm | |
4"cks pvc diaphrgm chk valve-viton | |
6" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 3.00" wide and 11.13" overall... | |
8" Hayward WCV Series Wafer Check Valve w/EPDM Seals has an opening pressure of 1 PSI and a sealing pressure of 3 PSI. It is 4.93" wide and 13.38" overall... | |
Both the inlet and the outlet are 1/4" FNPT. Body of check valve is .69" in diameter and 1.80" long. 1 PSI cracking pressure. | |
Both the inlet and the outlet are 1/4" FNPT. Body of check valve is .69" in diameter and 1.80" long. 1/3 PSI cracking pressure. | |
Cepex PVC Full Port (*) True Union Ball Check Valves with Foot Valve Screens with either EPDM or FKM O-Rings. 1/2" - 2" rated @ 240 psi and supplied with... | |
Cepex PVC True Union Ball Check Valves with Foot Valve Screens with either EPDM or FKM O-Rings. 1/2" - 2" rated @ 240 psi and supplied with Socket/Threaded Combo End... | |
Cepex PVC Wafer Check Valve with EPDM. Sizes 4" to 8" rated at 150 psi @ 73F. Excellent flow characteristics. Lightweight. Can be operated in vertical or horizontal position. Complies... | |
Check valves are used to prevent the reversal of flow in a line. When open and under flow pressure, the checking mechanism will move freely in the media, offering very... | |
Connect and disconnect tubing without tools. These Acetal Celcon fittings meet FDA standards and are NSF listed. The O ring/collet design features S.S. teeth for extra gripping power. Acetal bodies,... | |
Diameter: 1.3". Length: 3.8". Working psi @ 77F: 100. Maximum Temperature: 180F. Note: Polypropylene is 20% glass filled. | |
Diameter: 1.3". Length: 3.8". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 140F. | |
Diameter: 1.3". Length: 3.8". Working psi @ 77F: 150 inlet/100 back. Maximum Temperature: 180F. | |
Diameter: 1.6". Length: 4.1". Working psi @ 77F: 100. Maximum Temperature: 180F. Note: Polypropylene is 20% glass filled. | |
Diameter: 1.6". Length: 4.1". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 140F. | |
Diameter: 1.6". Length: 4.1". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 180F. | |
Diameter: 1.9". Length: 4.7". Working psi @ 77F: 100. Maximum Temperature: 180F. Note: Polypropylene is 20% glass filled. | |
Diameter: 1.9". Length: 4.7". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 140F. | |
Diameter: 1.9". Length: 4.7". Working psi @ 77F: 150 Inlet/100 Back. Maximum Temperature: 180F. | |
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. | |
Foot control valve for spray rinse tanks. Dispersement valve for filling containers. Quick acting valve for industrial air lines. Valves can be adapted for use on industrial rinse showers. All... | |
GF 561 & 562 valves feature a unique check cone element design that optimizes flow geometry and minimizes flow resistance and pressure loss. The valve closes when vertically mounted with... | |
Hayward PVC swing check valves have up to twice the temperature/pressure rating of other plastic swing check valves, and can replace metal valves in many applications. Compare the temperature/pressure rating... | |
Hayward true check ball check valves with FPM seals, NSF listed material and 150 PSI at 70 F., prevent reversal of flow in piping systems. They are ideal where backflow... | |
Hayward true check ball check valves with viton seals, NSF listed material and 150 PSI at 70 degrees F., prevent reversal of flow in piping systems. They are ideal where... | |
Maximum Operating Pressure 125 psi. Maximum Operating Temperature 140F. Seat Area Open Diameter .438. The 694 Series Check Valve covers a wide range of air and fluid applications. The 694... | |
Maximum Operating Pressure 140 psi. Maximum Operating Temperature 140F. Seat Area Open Diameter .250. The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. | |
Not spring loaded but the design insures free movement of the ball. Ball supported by a system of guide ribs to give full flow with minimum turbulence and chatter. Union... | |
Orifice Size: 3/16". Diameter: 1-1/8". Length: 2-1/16". Cv Factor: 0.50. Maximum psi @ 75F: 125. Maximum Temperature rating: 180F. | |
Orifice Size: 3/16". Diameter: 1-1/8". Length: 2-1/16". Cv Factor: 0.50. Maximum psi @ 75F: 140. Maximum Temperature rating: 140F. | |
Orifice Size: 5/16". Diameter: 1-1/2". Length: 2-5/8". Cv Factor: 1. Maximum psi @ 75F: 125. Maximum Temperature rating: 180F. | |
Orifice Size: 5/16". Diameter: 1-1/2". Length: 2-5/8". Cv Factor: 1. Maximum psi @ 75F: 140. Maximum Temperature rating: 140F. | |
Polypropylene and Kynar housing with Viton diaphragm. Will work with vacuum between 2 and 29 in. Hg. and pressures from 1 psi up to 150psi. .5 lb. cracking pressure on... | |
Polypropylene and Kynar housing with Viton diaphragm. Will work with vacuum between 2 and 29 in. Hg. and pressures from 1 psi up to 150psi. | |
Praher K6 thermoplastic wafer check valves are available in sizes 2" though 8" with maximum operating pressure of 150 psi at 72 F, non-shock. The valve does not require a... | |
Prevent reversal of flow. Similar in function to a ball check valve. Minimum of 2 lb. of positive back pressure seats the disc o-ring onto a precision machined seat. Hex... | |
Prevents back-flow in flexible tubing. Operates in any position, but works best at 10" to 28" Hg vacuum. Made of polyethylene. #64001 has polyethylene disk; #64004 has neoprene disk. Not... | |
Specifically designed for use on sump pump discharge lines. Includes compression end connectors with Buna-N gaskets for use on either 1-1/4" or 1-1/2" pipe. All plastic construction with elastomer seals... | |
The 695 series is a general purpose check valve that operates in any position, horizontal or vertical. A great low-resistance, high flow check valve where space is limited. Available in... | |
These polypropylene check valves have a one piece construction. Valves are rated to 150 PSI maximum. They have a 1-2 PSI spring. Polypropylene is glass filled and the gasket materials... | |
This 1" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 1-1/2" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 1/4" TrueSeal Check Valve is 2" long and .66" in diameter. | |
This 2" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 2-1/2" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 3" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 3/4" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 3/8" TrueSeal Check Valve is 2.15" long and .80" diameter. | |
This 4" swing check valve in the open position allows for unobstructed continuous flow with minimal head loss. Swing check valves are designed for horizontal installation. All check valves must... | |
This 5/16" TrueSeal Check Valve is 2.10" long and .70" diameter. | |
This check valve has a 1/2"FNPT inlet and outlet. This body is 1" diameter and 2.55" long. 1 PSI cracking pressure. | |
This check valve has a 1/2"FNPT inlet and outlet. This body is 1" diameter and 2.55" long. 1/3 PSI cracking pressure. | |
This check valve has a 3/8"FNPT inlet and a 3/8"MNPT outlet. The body is .87" diameter and 1.69" long. 1 PSI cracking pressure. | |
This check valve has a 3/8"MNPT inlet and a 3/8"FNPT outlet. The body is .87" diameter and 1.69" long. 1 PSI cracking pressure. | |
This check valve has a 3/8"MNPT inlet and a 3/8"MNPT outlet. The body is .69" diameter and 1.70" long. 1 PSI cracking pressure. | |
This valve has a 1/2"FNPT inlet and a 1/2"MNPT outlet. Valve body is 1" diameter and 1.86" long. 1 PSI cracking pressure. | |
This valve has a 1/2"FNPT inlet and a 1/2"MNPT outlet. Valve body is 1" diameter and 1.86" long. 1/3 PSI cracking pressure. | |
This valve has a 1/2"FNPT inlet and outlet. Valve body is .56"diameter and 1.38" long. 1 PSI cracking pressure. | |
This valve has a 1/2"FNPT inlet and outlet. Valve body is .56"diameter and 1.38" long. 1/3 PSI cracking pressure. | |
This valve has a 1/2"MNPT inlet and a 1/2"FNPT outlet. Valve body is 1" diameter and 1.86" long. 1 PSI cracking pressure. | |
This valve has a 1/2"MNPT inlet and a 1/2"FNPT outlet. Valve body is 1" diameter and 1.86" long. 1/3 PSI cracking pressure. | |
This valve has a 1/2"MNPT inlet and a 1/2"MNPT outlet. Valve body is .87" diameter and 2.00" long. 1 PSI cracking pressure. | |
This valve has a 1/2"MNPT inlet and a 1/2"MNPT outlet. Valve body is .87" diameter and 2.00" long. 1/2 PSI cracking pressure. | |
This valve has a 1/2"MNPT inlet and a 1/2"MNPT outlet. Valve body is .87" diameter and 2.00" long. 1/3 PSI cracking pressure. | |
This valve has a 1/4"FNPT inlet and a 1/4"MNPT outlet. Valve body is .69" diameter and 1.38" long. 1 PSI cracking pressure. | |
This valve has a 1/4"FNPT inlet and a 1/4"MNPT outlet. Valve body is .69" diameter and 1.38" long. 1/3 PSI cracking pressure. | |
This valve has a 1/4"FNPT inlet and outlet. Valve body is .87" diameter and 2.25" long. 1 PSI cracking pressure. | |
This valve has a 1/4"FNPT inlet and outlet. Valve body is .87" diameter and 2.25" long. 1/3 PSI cracking pressure. | |
This valve has a 1/4"MNPT inlet and a 1/4"FNPT outlet. Valve body is .69" diameter and 1.63" long. 1 PSI cracking pressure. | |
This valve has a 1/4"MNPT inlet and a 1/4"FNPT outlet. Valve body is .69" diameter and 1.63" long. 1/3 PSI cracking pressure. | |
This valve has a 1/4"MNPT inlet and a 1/4"MNPT outlet. Valve body is .56" diameter and 1.50" long. 1 PSI cracking pressure. | |
This valve has a 1/4"MNPT inlet and a 1/4"MNPT outlet. Valve body is .56" diameter and 1.50" long. 1/3 PSI cracking pressure. | |
This valve has a 1/8"FNPT inlet and a 1/8"MNPT outlet. Valve body is .56" diameter and 1.06" long. 1 PSI cracking pressure. | |
This valve has a 1/8"FNPT inlet and a 1/8"MNPT outlet. Valve body is .56" diameter and 1.06" long. 1/3 PSI cracking pressure. | |
This valve has a 1/8"MNPT inlet and a 1/8"FNPT outlet. Valve body is .56" diameter and 1.06" long. 1 PSI cracking pressure. | |
This valve has a 1/8"MNPT inlet and a 1/8"FNPT outlet. Valve body is .56" diameter and 1.06" long. 1/3 PSI cracking pressure. | |
This valve has a 1/8"MNPT inlet and a 1/8"MNPT outlet. Valve body is .44" diameter and 1.19" long. 1 PSI cracking pressure. | |
This valve has a 1/8"MNPT inlet and a 1/8"MNPT outlet. Valve body is .44" diameter and 1.19" long. 1/3 PSI cracking pressure. | |
This valve has a 3/8"FNPT inlet and outlet. Valve body is .87" diameter and 2.25" long. 1/3 PSI cracking pressure. | |
This valve has a 5/16" hose barb inlet and a 5/16" hose barb outlet. Valve body is .72" diameter and 2.37" long. 1 PSI cracking pressure. | |
Use this with a 18294 or 18295 PVC Check Valve to convert to a foot valve. Convert to a foot valve by replacing inlet end connection on valve with this... | |
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... |