There are four basic types of lined check valves of XANIK: H41 flanged straight lift check valve , H42 lift vertical check valve, H44 vertical check valve and 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.

Technical Specifications:

1. Connection End:

 Flanged: ASME B16.5、ASME B16.47;    Butt-welding ASME B16.25

2. Face-to-Face：

API 594  ASME B16.10  API 6D

3. Design Standard:

API 594  API 6D

4. Test and inspection:

API 598  API 6D