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Leak-Free. Durable. Stainless Steel.

HSCK Combination Stop & Check Valve

These durable, carbon-steel-bodied valves are a combination stop valve and normally-spring-closed check valve. Valves open wide for full flow in the arrow direction on the valve body and promptly reseat when reverse flow occurs. Stainless steel valve stems facilitate positive manual closing while Teflon disc seats assure reliable, long-life seating. Use of these combination valves reduces pressure drop, minimizes space requirements, and simplifies installation.
  • HSCK
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HSCK Rebuild Kit

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HSCK Bulletin

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Applications

Stop/check valves can be used instead of separate shut-off valves and check valves in refrigeration liquid-suction, and hot gas lines. They are ideal for liquid pump and compressor discharge applications and eliminate the need for pressure relief valve between the conventional check valve and stop valve. Their design makes them particularly well suited for small package equipment and compact assemblies where space may not be available for two separate valves.

Key Features

  • Single seat means no trapping liquid.
  • Dampening chamber design minimized potential check valve chatter.
  • Only 1 psi (.07 bar) pressure drop is required to open.
  • Suitable for R717 (ammonia), R22, R134a, R507a, R404a, R744 (CO2) and other Hansen approved refrigerants.
  • 600 psig (41 bar g) SWP valves available.
  • Identified by green seal cap and bonnet groove.

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