Resilient seated gate valve
I. Overview of forged steel valve
There are three kinds of forged steel gate valve cover design, the first one is the bolt-type valve cover, through the convex surface of the connection, the use of stainless steel and flexible graphite spiral wound gasket, ring connection can also be used on demand, and the second is the welded bonnet, sealed by a threaded weld, demand can also be directly welded rigid, and the third is self-sealing valve cover, through the threaded connection with the self-sealing valve cover.
Two, forged steel gate valve gate valve design and specifications
Forged Steel Gate manufacture according to API 602, BS5352, ANSI B16.34.
Test and acceptance by API 598, identifies follow MSS SP-25.
Third, forged steel valve structure
1. Full bore or reduced bore;
2. bright pole with bracket;
3. ends automatically aligning Gland;
4. spiral wound gasket bolt bonnet, thread seal welded bonnet or self-sealing valve cover;
5. Ontology backseat;
6. socket weld ANSI / ASME B16.11;
7. threaded ends (NPT end) by ANSI / ASME B1.20.1.Undo edits