Brief introduction:
Three types of body cover connection design. * bolted bonnet: valves in this design with body and bonnet bolted and nut, wound gasket (made of 316 clip flexible graphite) sealed. Customers have special requirements can also use metal ring connection. The second design is a welded bonnet, in which the valve body is threaded to the bonnet and fully welded sealed. Customers have special requirements can also use penetration welding connection. The third type is the pressure self - tightening cover, designed in this design, the valve body and cover with screw connection, internal pressure self - sealing ring.
Executive standard:
Design and manufacture: mssp-118, ASME B16.34
Validation and testing: API 598
Tags: MSS - SP - 25
Scope of use: the product can be used in petroleum, chemical and other industries.
The product conforms to the standard: JB/T 7746
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