Valve welding of Z61Y steel forging

Forged steel welding gate valve cover design in three forms. The first is the bolt type valve cover, according to this design form design of the valve, the valve body and valve cover bolt nut connection, spiral wound gasket ( 316 clamping flexible graphite sealing manufacturing ). Customers have special requirements can be used when the metal ring is connected with second. Design is the welding type valve cover, according to this design form of the valve, the valve body and valve cover with a threaded connection, seal welded. When customers have special requirements can be connected through welding. The third is the self sealing valve cover, according to this design form design of the valve, the valve body and valve cover screw connection, pressure from the dense ring seal.