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Triple Offset Butterfly Valve

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Triple Offset Butterfly Valve

Key Features & Specifications:

The Neway triple offset butterfly valve uses a unique offset geometry that eliminates disc-seat friction and ensures tight shut-off. The valve features an anti-blowout stem design per API 609 and ASME B31.1, extended bearings for low torque operation, and optional low-emission packing to control fugitive emissions below 20 ppm. The robust construction includes hard-faced Stellited seats for extended service life and a yoke designed per ISO 5211 for easy actuator mounting.

  • Size Range: NPS 2″ to 160″ (DN50 to DN4000)
  • Pressure Rating: ASME CLASS 150 to 2500 (PN16 to PN420)
  • Temperature Range: -196°C to +650°C
  • Body Material: Carbon Steel (A216 WCB), Stainless Steel (CF8, CF8M), Alloy Steel, Duplex Stainless Steel
  • Design Standard: API 609, ASME B16.34
  • Seat & Seal: Metal-to-Metal Sealing, Laminated Seal Ring (Graphite/UNS31803)
  • End Connections: Wafer, Lug, Double Flanged (RF), Butt-Weld (BW)
  • Operation: Gear Operator, Pneumatic, Electric, Hydraulic Actuation
  • Fire Safe: API 607 Certified
  • Special Features: Bi-Directional, Zero Leakage, In-Line Maintainable, Anti-Static Device

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