Detai valve forged steel valve cover design, there are three forms of .
The first is a bolt-type valve cover According to this design form of valve The body and the valve cover bolts nuts Spiral wound gaskets Folder flexible graphite manufacturing ) Seal . Customers with special requirements can be used when metal ring connections .
The second design form is welded bonnet Form of valve according to this design Valve cover his body with a connecting thread Welded seal . Customers with special requirements can be applied through the solder connection .
The third is self-sealing valve cover According to this design form of valve Valve cover his body with a connecting thread Internal pressure from the dense ring seal .
Cut-off valve design structure and features of
Cut-off valve design and manufacturing line API602 And ASME B16.34. Inspection and Testing by API 598, Tag by MSS-SP-25.
With the following structure
Full or reduced diameter
Ming rod rack (OS & Y)
Self-centering compression plate nested
Bolt connection, sealed valve cover gaskets, nuts, welded seal bonnet and threaded internal pressure from the tight bonnet
The whole ceremony sealing seat
Socket end of line ASME B16.11
Threaded connectors ( NPT ) Found ANSI / ASME B
Can be transformed into the throttle valve flap type, needle, spherical, and only return type