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Product Description
Model NO.: D671 Connection Form: Wafer Seal Form: Auto Sealed Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa) Material of Seal Surface: Metal Hard Sealed Application: Industrial Usage, Water Industrial Usage, Household Usage Pressure: 125lb~1500lb Characteristic: Pneumatic
Butterfly Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Wafer, Lug or Flanged Trademark: VATAC/OEM Origin: China Driving Mode: Pneumatic Structure: Double-Eccentric Sealing Valve Stem: Normal Working Temperature: Medium Temperature (120°C
Designed and Manufactured to BSEN593 and MSS SP-67 and API 609
Suitable to ANSI 125/150, BS4504, DIN wafers
Size Ranges: NPS 2"~52"
Pressure Rating: PN10/16, ANSI125/150/300/600/900
Materials available in Iron, Steel, Stainless Steel, Duplex and Bronze, Seat Material in Both Resilient and Metal Type, Different trim materials available to suit different service conditions
Fire-safe design to API 608/API 6FD upon request
To MSS SP 01-75 On request
Operations: Lever, Worm-gear, Electric, Pneumatic and Hydra-pneumatic DESGN & MFT. | API 609 | ENDS CONNECTION | FLG. RF |
PRE-TEP. RATING | ASME B16.34 | INSPECT & TEST | API 598 |
F-F DIMENSION | ANSI B16.10 | END CONNECTION | ANSI B16.5 |
MARKING | MSS SP-25 | FIRE SAFE DESIGN | -- |
PAITING | TBA | SPE. REQUIREMENTS | N.A |
Main Part & Materials |
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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 |
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