W. P. Law, Incorporated - Fluid Handling Professionals
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Check Valves
Hayward Thermoplastic Check Valves prevent reversal of flow in piping systems. They are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. True union ball check, y-checks, spring-return y-checks, swing and wafer checks available. 

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TC Series CPVC Socket

True Union Ball Check Valves - TC Series

(108)
Offered in PVC, CPVC, Natural PP and now PVDF. PVC and CPVC are NSF/ANSI 61 Listed, O-rings are FPM or EPDM, and square cut seats are PTFE. All sizes rated to 235 PSI and 150PSI depending upon material and connection.. Foot valves and smaller trim check design available for PVC and CPVC.

Search  True Union Ball Check Valves - TC Series - 108 Items

YC Series

Y-Check Valves - YC Series

(96)
Offered in PVC, CPVC and PVDF with either FPM or EPDM seat and seals. Available with true union end connections as well as spring-return option. Options also include drilled cap for easy drainage. All sizes rated to 150 PSI.

Search  Y-Check Valves - YC Series - 96 Items

SLC Series

Spring-Loaded Y-Check Valves - SLC Series

(44)
Offered in PVC with either FPM or EPDM seat and seals. Available with true union end connections and option of drilled cap for easy drainage. All sizes rated to 150 PSI.

Search  Spring-Loaded Y-Check Valves - SLC Series - 44 Items

SW Series PVC

Swing Check Valves - SW Series

(36)
Hayward thermoplastic Swing Check valves offer up to twice the temperature/pressure rating of other plastic swing check valves and can often replace metal valves in many applications. Available in PVC, CPVC, or GFPP with either FPM or EPDM seals. These valves can be installed horizontally or vertically, and have a counterweight or spring available for assisted closing.

Search  Swing Check Valves - SW Series - 36 Items

WCV Series PVC 4"

Full Pattern Wafer Check Valve - WCV Series

(60)
The new patent-pending WCV Series Full Pattern Wafer Check Valve features a robust thermoplastic construction with industry leading flow rates, and eliminates the need for spacers or specialty flanges.

Made from thermoplastic materials, the WCV Series has a lighter weight than a metal equivalent and excellent corrosion resistance. The unique disc seat design allows for high flow rates and excellent sealing properties. No exposed fasteners or clips in the media to retain the disc which can break off in the line.

Designed also for global use, the WCV Series fits ANSI and DIN/EN flange patterns. It also provides a pressure rating of 150 PSI at 70°F Non-Shock across all sizes where most other plastic wafer check ...

Search  Full Pattern Wafer Check Valve - WCV Series - 60 Items