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Series HiLok High Performance Butterfly Valve

Brand: Keystone

The HiLok high performance butterfly valves offer efficient, bidirectional sealing.
Features
  • Cast on ISO top plate.

  • Long neck for insulation service.

  • External travel stop, outside of the medium area.

  • Accessible packing adjustment without operator removal.

  • Positive sealing which is mechanically achieved and does not rely on line pressure assistance.

  • Bidirectional shut-off performance.

  • Available in soft, fire-safe and metal seated.

  • Long life durability due to double offset operating principle minimizing seat wear.

  • Two piece shaft for maximum flow and minimum headloss.

  • Quadruple shaft bearings to ensure stability during high pressure, high cycle applications.

  • Fast and simple seat replacement.

  • Uninterrupted gasket surface.
  • Specifications

    Brand

    Approvals & Certifications

    • SIL Capable, PED, CUTR

    End Connection

    • Lugged, Wafer

    Material

    • Duplex, Carbon Steel, 316 Stainless Steel

    Media

    • Air, Air, Inert Gas, Ammonia, Fuel Oil, Hot Water, Liquids, Specialty Gases, Natural Gas, Water, Vacuum, Steam, Oxygen

    Pressure Class

    • PN

    Process Connection Type

    • PN 25, PN 16

    Seat / Seal Type

    • High Performance

    Shutoff Class

    • Zero Leakage

    Stem

    • Live Loaded, Adjustable Packing

    Valve Size

    • NPS 20 / DN 500, NPS 18 / DN 450, NPS 16 / DN 400, NPS 14 / DN 350, NPS 12 / DN 300, NPS 10 / DN 250

    Valve Size Standard

    • DN

    Valve Type

    • Butterfly
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