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HSCK Stop/ Check Valves (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.