Design&Manufacture: GB/T12237-1989; API608 Inspection&Testing: GB/T13927-1992; API598 End Flange: JB/T79.1~2-1994; ASME/ANSI B16.5 Face to Face: GB/T12221-1989; ASME/ANSI B16.10 3)Advantage Design Fire Safe Design and Contrction Anti-static Devices for Ball-Stem body Blow-Out Proof Stem Automatic cavity relief Block&Bleed Function Emergency Sealing Seat spring protective structure Sealed construction of valve body free of body leekage |
4)According to Customers requirements Different material of Ball valve Seat Various driving methods: Manual, worm gear, pneumatic, electrical, hydraulic Various end connections: Flange end. Butt-welding Suitable medium: Water, steam, oil product and liqefied gas etc, Corrosive media (for this sample) Special medium: Including power. Granule. Fiber medium according to customers requirements. |