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This is a medium flow double open valve, the inlet and outlet form a 180 degree Angle, this stop valve by causing temporary damage to the fluid state, thereby reducing the pressure of the valve.
Design standard: BS1873, GB/T 12235
Generally speaking, the lifting rod is only 1/4 of the length of the valve channel to ensure the short timeliness of opening and closing
There is only one sealing surface between the valve body and the valve plate
The large diameter valve will be designed to consist of two parts: the main valve plate and the auxiliary valve plate. The medium flows from the upper valve plate to the lower valve plate
The valve adopts inverted seat sealing structure
Flexible graphite packing is used
Product range
Body material: carbon steel, stainless steel, alloy steel
Caliber: 1/2~24(DN15~DN600)
Pressure range: Class150~2500(PN10~PN420)
Connection mode: RF, RTJ, BW
Operating temperature: -29℃~560℃
Operation mode: hand wheel, worm wheel, electric, etc
Petrochemical SeriesStop Valve.pdf