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Model CompoSeal Butterfly Valve

Brand: Keystone

Resilient seated butterfly valves with valve body and disc in high engineered composite material providing excellent internal and external chemical resistance.
Features
  • Patented wafer style body and disc in high engineered composite results in excellent internal and external chemical resistance.

  • Light weight construction results in lower cost and simplified installation.

  • No extra pipe support needed when installed in plastic or GRP piping.

  • Disc in high engineered composite material provides excellent corrosion resistance.

  • All fasteners in stainless steel 316 as standard.

  • Bubble tight shut-off in both directions, in accordance with EN 12266-1 leakrate A.

  • Pressure range up to PN 16 at elevated temperature.

  • Valve can be used in high line velocity applications up to 12 m/sec.

  • Spindle and primary valve seals are not influenced by the flange bolting force or pipe flange type.

  • High Kv (Cv) value.

  • No need for flange gaskets.

  • Primary stem sealing exceeds the pressure rating of the valve and prevents leakage through the shaft area to atmosphere.
  • Specifications

    Brand

    Applications

    • Filtration, Cruise Ship, Air Circulation

    Approvals & Certifications

    • ABS, PED

    End Connection

    • Wafer

    Material

    • Composition Fiber

    Media

    • Water, Air

    Operating Temperature

    • Less than 150° C

    Pressure Class

    • PN

    Process Connection Type

    • PN 16

    Seat / Seal Type

    • Resilient

    Shutoff Class

    • Zero Leakage

    Valve Size

    • NPS 12 / DN 300, NPS 2-1/2 / DN 65, NPS 3 / DN 80, NPS 1-1/2 / DN 40, NPS 6 / DN 150, NPS 4 / DN 100, NPS 8 / DN 200, NPS 10 / DN 250

    Valve Size Standard

    • DN

    Valve Type

    • Butterfly
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