Sion-foreign Joint Venture Zhejiang CTV Valve Co.,Ltd.

Structure characteristics and applications
Sulfide stress cracking resistance, 1: valve contact medium materials are according to the corrosion engineer association NACE01-75, and choose the standard according to the standard of electroless nickel plating on the surface, can satisfy the requirements of environmental conditions sulfide.
2, the use of metal sealing materials for polymer or in high temperature and high pressure condition, with good sealing performance.
3, setting the stuffing box, prevent valve chamber pressure anomalies and flew out the valve stem seal structure, addition, pour to ensure reliable seal packing.
4, widely used in chemical, oil, gas, natural gas pipeline steel, etc.
Execution standard
1, design and manufacture of GB/T12237-1989, AP1608
2, the inspection and test: the GB/T13927-1992, AP1598
3, flange: JB/T79.1 ~ 4-1994, ASME/ANSIB16.5
Length: 4 and structure of GB/T12221-1989, GB/T15188.1-1994,
ASME/ANSI B16.10