Company Info |
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| Company Name | ZHEJIANG DEXI VALVE CO.,LTD. |
| Country/Territory: | Zhejiang China |
| Business Type: | | 1,2,4,7,8,9 |
| Number of Employees: | |
| Main Products: ball valve gate valve globe valve check valve butterfly valve | |
Trunnion Ball Valve
NPS 2"~36"
ANSI CLASS 150~2500
MATERIAL: WCB, LCB, CF8, CF8M, CF3, CF3M, A105, LF2, F304, F316, F304L, F316L
DESIGN STD: API 608, API 6D, BS 5351
FACE TO FACE STD: ASME B16.10, API 6D
END CONNECTION STD: ASME B16.5, ASME B16.47, ASME B16.25
TEST STD: API 598, API 6D, BS 6755
Standard Material Specifications:
| Name | Carbon Steel | Stainless Steel | ||||
| WCB | LCB | CF8 | CF8M | CF3 | CF3M | |
| Body | A216 WCB A105 | A352 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| L-body | A216 WCB A105 | A352 LCB A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| R-body | A216 WCB A105 | A352 LCB A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Ball | A105/Ep.Cr | A182 F304 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Stem | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Seat | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Seat Ring | PTFE,POM or HF(Co-CrA) | |||||
| Gasket | PTFE or Flexible Graphite and stainless Steel | |||||
| O-Ring | VITON | VITON | VITON | VITON | VITON | VITON |
| Trunnion | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Spring | AISI 6160 17-17PH(inconel for NACE)Ni-Cr Alloy | |||||
| Drain plug | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Bolt | A193 B7 A320 L7 A193 B8 A193 B8M | |||||
| Stem beating | PTFE or Stainless Steel and Graphite | |||||
| Stem seat | PTFE | PTFE | PTFE | PTFE | PTFE | PTFE |
| Stem spring | 17-17PH(inconel for NACE)Ni-Cr Alloy | |||||
| Small ball | A182 F304 A182 F316 | |||||
| Trunnion beating | PTFE or Stainless Steel and Graphite | |||||
| Plug | A105 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Spring seat | A105 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Bonnet Bolt | A193 B7 A320 L7 A320 B8 A193 B8M | |||||
| Bonnet Nut | A194 2H A194 4 A194 8 | |||||
| Pin | Carbon Steel or Alloy Steel | |||||
| Gland | A182 F6 | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L |
| Gland flange | A216 WCB | A352 LCB | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
| Stem packing | PTFE or Flexible Graphite | |||||
| Bonnet | A216 WCB A105 | A352 F6 A350 LF2 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |