Company Info |
|
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 |