Forged steel check balbula, Lift check balbula 2500lbs, swing check valve, piston check valve
Diametro: 1/2″-2″,800lbs-2500lbs,API602
bollted bonnet/welded bonnet/pressure seal bonnet(PSB)
Lawas/bonnet/Disc:A105/F304/F316/F11/F22/LF2/Monel etc
Pagputol: 13CR+STL/F304/F316
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