Zhejiang CMK Valve Manufacturing Co., Ltd.

The valves available in three bonnet designs. The first design is the Botted Bonnet. With male-female joint, spiral wound gasket, made in F304L/graphite. Ring joint gasket are also available on request. The second design is the welded bonnet, with a threaded and seal welded joint. On request a full penetration strength welded joint is available. The trid design is the pressure seal bonnet, with a threaded and pressure seal bonnet joint.

·Gate Valve Design Construction and Specifications

The gate valves conform to API 602, BS5352, and ASME B16. 34, Each are tested according to AP1598, and marking is per MSS SP-25.

·Construction is as follows:
Full Port or Convetional Port
Outside Screw and Yoke(OS&Y)
Two Piece self aligning packing gland
Bolted bonnet with spiral-wound gasket, threaded and seal welded bonnet or threaded and pressure seal bonnet.
Integral backseat
Socket weld Ends to ASME B16. 11