Forged Piston Type Lift Check Valve 800#

DESIGN & MFG. STD :- BS 5352 / API 602

TESTING STD :- API 598

END CONNECTION :- SCREWED/SOCKET WELD TO ASME B 16.11

BODY :- ASTM A105

COVER :- ASTM A105

SEAT RING :- AISI 410+STELLITED

PISTON :- AISI 410+STELLITED

GASKET :- SPIRALWOUND SS304+ GRAPHITE

SPRING :- AISI 410

HEX BOLT :- ASTM A 193 GR.B8