National standard of wedge gate valve

source：Xiamen, rhett fluid control co., LTD The information has been viewed： 3945 Time：2013-07-03 11:32:28


Widely used in petroleum chemical industry, power plants and other oil, steam piping connected or cut off the medium of the pipeline opening and closing device.
Product features:
■ compact structure, reasonable design, small flow resistance coefficient, no flow requirements;
■ headstock piece optional structure: elastic plate, rigid, rigid double plate gate
■ bolted bonnet, self-sealing valve cover design
■ sealing surface with a special process, wear resistance and corrosion resistance
■ optional end connections: butt welding / socket welding, threaded, flange
■ optional drive mode: manual, gear, electric, pneumatic
Technical parameters:
■ nominal size: DN15 ~ DN1000
■ nominal pressure: 1.6 ~ 25MPa
■ design standards: GB/T 12234
■. Length: GB/T 12221
■ applicable temperature: -29 ℃ ~ 600 ℃
■ end connection: customer requirements.
■ test and test: GB/T13927, JB 9092
The material of main parts:
Valve body, valve cover, gate ":
Carbon steel, stainless steel, dual phase steel, alloy steel, Hastelloy alloy"
The sealing surface: stainless steel, hard alloy, dual phase steel, Hastelloy alloy
Stem: stainless steel, alloy steel, dual phase steel, Hastelloy alloy
Packing: 304+ graphite asbestos packing