Multi Layer Sealing Triple Offset Butterfly Valve Low Opening Torque DN50~DN1200
Brand Name:Youwei Fluid
Certification:Quality system certificate
Minimum Order Quantity:1
Place of Origin:China
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Suzhou China
Address:
No.28 Datong road, Suzhou, China, 215000
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within 25 hours
Product Details
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Product Details
Product Features
1. Multi-layer sealing & Metal to metal sealing
2. Bi-directional & Uni-directional
3. Low opening torque
4. Friction free between seat and sealing
5. No over travel of the disc
Technical Parameters
Nominal Size | 2"~48"(DN50~DN1200) |
|---|---|
Nominal Pressure | ASME 150LB to 900LB |
Applicable Temperature | -46℃~300℃ |
Body Material | WCB, CF8, CF8M, CF3, CF3M, LCB, Titanium, Monel, Hastelloy etc. |
| Design Standard | API 609,EN 593, ASME B16.34 |
| Face To Face | APl 609, ISO 5752, EN 558 |
| Flange End | ASME B16.5, ASME B16.47, EN 1092 |
| Inspection And Test | API 598, EN 12266, ISO 5208 |
| Mark | MSS SP-25 |
Material list
| NO. | Part | Standard Material | Low Temperature Environment | Stainless Steel Material | Acidic Environment |
|---|---|---|---|---|---|
1 | Body | ASTM A216WCB | ASTM A352 LCB | ASTM A351 CF8M | ASTM A216 WCB |
2 | Stem | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F316 | ASTM A182 F6a NC |
3 | Sealing gasket | Graphite | Graphite | Graphite | Graphite |
4 | Lower bearing sleeve | Self-lubricating bearing | Self-lubricating bearing | Self-lubricating bearing | Self-lubricating bearing |
5 | Lower cover | ASTM A105N | ASTM A350 LF2 | ASTM A182 F316 | ASTM A105N |
6 | Dished plate | ASTM A216WCB | ASTM A352 LCB | ASTM A351 CF8M | ASTM A216 WCB |
7 | Sealing ring | SS316+Graphite | SS316+Graphite | SS316+Graphite | SS316+Graphite |
8 | Flap cover | ASTM A182 F316 | ASTM A182 F316 | ASTM A182 F316 | ASTM A182 F316 |
9 | Bolt | ASTM A193 B7 | ASTM A320 L7 | ASTM A193 B8 | ASTM A193 B7M |
10 | Bolt | ASTM A193 B7 | ASTM A320 L7 | ASTM A193 B8 | ASTM A193 B7M |
11 | Pin | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F316 | ASTM A182 F6a NC |
12 | Upper bearing sleeve | Self-lubricating bearing | Self-lubricating bearing | Self-lubricating bearing | Self-lubricating bearing |
13 | Packing | Graphite | Graphite | Graphite | Graphite |
14 | Packing gland | ASTM A216WCB | ASTM A352LCB | ASTM A351CF8M | ASTM A216WCB |
15 | Nut | ASTM A1942 H | ASTM A194 7 | ASTM A194 8 | ASTM A194 2HM |
16 | Spring washer | AlSI 1566 | AISI 1566 | Stainless steel | AISI 1566 |
17 | Stud | ASTM A193 B7 | ASTM A320 L7 | ASTM A193 B8 | ASTM A193 B7M |
18 | Prop up | AISI 1020 | AISI 1020 | Stainless steel | AlSI 1020 |
19 | Nut | ASTM A194 2H | ASTM A194 7 | ASTM A194 8 | ASTM A194 2HM |
20 | Spring washer | AISI 1566 | AlSI 1566 | Stainless steel | AlSI 1566 |
21 | Stud | ASTM A193 B7 | ASTM A320 L7 | ASTM A193 B8 | ASTM A193 B7M |
22 | Worm gear | Module | Module | Module | Module |
Multi Layer Sealing Triple Offset Butterfly Valve Low Opening Torque DN50~DN1200
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