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BRAY TRI LOK® Triple Offset Butterfly Valve

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BRAY TRI LOK®  Triple Offset Butterfly Valve

HIGH PRESSURE • ZERO LEAKAGE • METAL TO METAL SEALING

SEAT & SEAL RING
Field replaceable seat and seal ring system extends the overall life, without the need for costly off site repairs or total replacement.

STEM
Tri Lok’s unique splined disc-to-stem connection minimizes hysteresis, eliminates external connections and allows for easy assembly and disassembly. Tri Lok features a one piece stem with a blow out prevention ring located outside the pressure boundary, in accordance with international standards.

PACKING
Fully adjustable, field replaceable stem seal system eliminates fugitive emissions.

Specifications

  • Size Range: 3” – 48” (80mm – 1200mm)
  • Body Style: Wafer, Lug, Double Flanged, Gate
  • Temperature Range: -320ºF to 842ºF (-196ºC to 450ºC)
  • Pressure Rating: ASME Class 150, 300, 600, 900
  • Shut Off Class: Zero Leakage in Normal and Dead End Service
  • Body Materials: Carbon Steel, Stainless Steel
  • Disc Materials: Carbon Steel, Stainless Steel
  • Stem Materials: 410 Stainless Steel, 17-4PH, XM-19 (Nitronic®)
  • Body Seat Materials: 316SS Hardened, 316SS & Stellite 21 HVOF Overlay
  • Disc Seal Materials: Laminated 318 Stainless Steel/Graphite
    Laminated 316 Stainless Steel/Graphite
  • Applications: High Pressure, High Temperature

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