Basic Description:

There are four basic types of lined check valves: 

• H41 flanged straight lift check valve;
• H42 lift vertical check valve;
• H44 vertical check valve;
• H76 swing check valve.

Valves maybe furnished with linings, when specified, or abrasion or corrosion resistance. Linings include Natural Rubber, Neoprene, and others. 

All body surfaces of lined valves are covered with the specified material, eliminating the need for gaskets. Hinge and stop pin holes are encapsulated to seal them against fluids.