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Check valve forged steel valve cover design in three forms. The first is a bolt type valve cover, according to this design form design of the valve, the valve body and the valve cover bolt nut connection, spiral wound gasket (316 clamp flexible graphite sealing manufacturing). Customers have special requirements can be used when the metal ring is connected. Second kinds of design form is the welded bonnet, according to this design form of the valve, the valve body and the valve cover with a threaded connection, welded seal. Customers have special requirements can be used when the third is connected through welding. Junctionvalve pressure valve cover, according to this design form design of the valve, the valve body and valve cover with a threaded connection, pressure from the dense ring seal.
There are three different design structures, which are lift check valve, ball type check valve and swing check valve.
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.

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