The seat sealing structure of fully welded trunnion ball valves is generally a twofold sealing, i.e., upstream and downstream twofold sealing. The valve seat embedded ring has excellent corrosion resistance, abrasion resistance and good elasticity, with high sealing performance. The fully welded trunnion ball valve adopts spherical single weld, and the welding application adopts fully automatic welding process. The ball valve is characterized by uniform force, reliable sealing, compact structure, light weight, high strength, etc. It is a pipeline ball valve with both technology and economy.
Welded Body Trunnion Mounted Ball Valves Specification
| Part Names | Part Materials | ||||||
| Body | WCB/A105 | LCB/LF2 | WC6/F22 | CF8/F304 | CF8M/F316 | CF3/F304L | CF3M/F316L |
| Bonnet | WCB/A105 | LCB/LF2 | WC6/F22 | CF8/F304 | CF8M/F316 | CF3/F304L | CF3M/F316L |
| Ball | A105+ENP | SS304 | F22 | SS304 | SS316 | SS304L | SS316L |
| Stem | A105 | F304 | F6a | F304 | F316 | F304L | F316L |
| Seat/Seat Ring | PTFE/RPTFE/NYLON/DEVLON/PEEK or METAL | ||||||
| Packing | Graphite/PTFE | ||||||
| Gasket | SS304+Graphite/SS304+Graphite | ||||||
| Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M |
| Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | |||||
| Suitable Temperature | -29~425 °C | -46~340 °C | -46~340 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C |
Trunnion Mounted Ball Valve Welded Body
FAQ
Q: What certifications do you have?
A: We have API 6D, API600, API602, API609, API 607 & API 6FA, ISO9001 certificates.
Q: What is your delivery time?
A: Generally 45~60 days. For some urgent orders, we can deliver within 30 days if we have raw materials in stock.
Q: Do you provide samples?
A: Yes, samples are available upon request. 5.
Q: What about OEM products?
A: We accept OEM orders and satisfy our customers by providing quality products, competitive price and excellent service.
Q: Can you produce products according to customers' special requirements and drawings?
A: Yes, we can customize the products according to the specific situation.
Q: How long is your warranty period?
A: Generally 12 months after installation or 18 months after shipment, whichever comes first.
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