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Product Description
Model NO.: D71 Connection Form: Wafer Seal Form: Force Sealed Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa) Material of Seal Surface: Soft Sealed Characteristic:
Lug Butterfly Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Wafer, Lug or Flanged Certificate 1: Dnv CE 0575 Certificate 3: API 600 Trademark: VATAC/OEM Origin: China Driving Mode: Manual Structure: Double-Eccentric Sealing Valve Stem: Normal Working Temperature: Medium Temperature (120°C
Butterfly Valve Conform to API 509.
They are tested according to API 598, and marked as per MSS SP-25.
1. Construction is as follows:
- Double or Triple Eccentric |
- Single Type Body |
- Renewable Sealing Ring |
- Fire Safe Design |
- Anti-static Design |
- Uni-direction or Bi-direction |
- Butt Weld Ends to ASME B16.25 |
- Flanged Ends to ASME B16.5 |
- Wafer or Lug Suit to Flanged(ASME B16.5 or B16.47) |
2. Main Part & Materials
Part Names | Part Materials |
Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
Disc | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
Stem | F6a | 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 |
3. Normal Pressure Rating
PN10~PN64, CLASS150~600
4. Normal Size Range
DN50~DN1800, 2"~72" Contact us if you need more details on Cast Steel Lug Butterfly Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about API509 Lug Butterfly Valve、Wafer Type Lug Butterfly Valve. If these products fail to match your need, please contact us and we would like to provide relevant information. Product Categories : Butterfly Valve > High Performance Butterfly Valve