Ball Valve 1)Designn: ASME B16.34,API608 2)Wall Thickness: 100% ASME B16.34,GB12224 3)CE and ISO 9001:2000 Proved Ball Valve1)Designn: ASME B16.34,API6082)Wall Thickness: 100% ASME B16.34,GB122243)CE and ISO 9001:2000 1.FEATURES:Blow-out Proof StemInvestment Casting Body and CapPressure Blance Hole in Ball SlotFull PortVarious Thread Standard AvailableLocking Device Available,Anti-static Device ...