Forged Piston Type Lift Check Valve 800#
Specification
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DESIGN & MFG. STD :- BS 5352 / API 602
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TESTING STD :- API 598
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END CONNECTION :- SCREWED/SOCKET WELD TO ASME B 16.11
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BODY :- ASTM A105
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COVER :- ASTM A105
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SEAT RING :- AISI 410+STELLITED
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PISTON :- AISI 410+STELLITED
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GASKET :- SPIRALWOUND SS304+ GRAPHITE
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SPRING :- AISI 410
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HEX BOLT :- ASTM A 193 GR.B8
HYDRO PRESSURE TEST :-
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SHELL :- 2975 PSIG
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SEAT :- 1975 PSIG