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Double Offset Butterfly Valve BRAY/McCANNALOK

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Double Offset Butterfly Valve BRAY/McCANNALOK


The Bray/McCannalok’s innovative seat design offers easy maintenance and industry leading performance in high and low pressure services. Available with low temperature, cryogenic, metal to metal, and fire safe seat designs; the Bray/McCannalok offers robust performance in some of the most demanding applications. The Cryogenic Bray/ McCannalok offers industry leading shut off for the air separation industry. The Metal Seated Bray/McCannalok offers low torque performance while providing customers with a rugged control or isolation valve for abrasive and harsh chemical applications. The Fire Safe Bray/McCannalok is validated to the latest industry standards and is offered in a low temperature configuration to service ship builders worldwide.



  • Size Range: 2 1/2” – 66” (65mm – 1650mm)
  • Body Style: Wafer, Lug, Double Flanged
  • Temperature Range: -320ºF to 900ºF (-196ºC to 482ºC)
  • Pressure Rating: ASME Class 150, 300 and 600
  • Shut Off Class: Zero Leakage
  • Body Materials: Carbon Steel, Stainless Steel, Nickel Aluminum Bronze
  • Disc Materials: Stainless Steel, Nickel Aluminum Bronze
  • Stem Materials: Stainless Steel, Monel® K500
  • Seat Materials:
    • Standard: RPTFE/PTFE with Resilient Energizer
    • Fire Safe RPTFE and Inconel® with Resilient Energizer
    • Polar® Engineered Thermoplastic
    • Metal Seat Inconel®
    • Low Temp. TFM with Resilient Energizer
  • Applications: High Pressure, High Temperature, Low Temperature, Cryogenic Service, Critical Service.


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