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标题:Pressure seal forged gate valve
正文:
Pressure seal forged gate valvePressure:150LB-2500LBGate valve Size: DN15-DN50Design Std:API,DIN,BS,GB,JIS,EEMUAProduct Material:A105,F5,F11,F22The form of three types of forged steel gate valve cover design.The first one is the bolted-bonnet gate valve cover, according to the form of this design of valve design, the valve body and valve cover with bolt nut connection, spiral wound gasket (316 folders manufacturing flexible graphite) seal. the special requirements of customers can also connect the metal ring.The second design is a form of welding-type valve cover, according to this design form of the valve, the valve body and valve cover with threaded connection, all-welded seal. customers with special requirements also can be connected through welding.The third is self-sealing valve cover, according to the form of this design of valve design, the valve body and valve cover with threaded connections, the internal pressure from Armillariella sealed.This is the third one of the forged ga
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