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DANAÏS MT II Butterfly valve

Butterfly valve DANAÏS MT II

Double-offset butterfly valve with ISO 5211 compliant square shaft end, with plastomer seat or metal seat (fire-safe), without gland packing, maintenance-free, with lever or manual gearbox, pneumatic, electric or hydraulic actuator, body made of steel or stainless steel. Wafer-type body (T1), full-lug body (T4) or flanged body (T7) with flat or raised faces. Body types T4 and T7 are suitable for dead-end service. Connections to EN, ASME or JIS. Certified to German TA Luft Technical Guidelines on Air Quality Control.
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Main Applications

  • Nuclear power stations
  • Hot-water heating systems
  • Chemical industry
  • Air-conditioning

Technical Data

  • Nominal pressureCL 150, CL 300, PN 25
  • Max. nominal sizeDN 600
  • Max. allowed fluid temperature260 °C

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  • Extra long neck
    • Continuous heat insulation between pipe and valve
  • Flange faces with large sealing surfaces

    Technical Data

    • FunctionShut off/control flow
    • Connection typeInstallation between flanges,
      External-thread connection,
    • Design concept DriveWith electric actuator,
      With handwheel,
      With pneumatic actuator,
    • Casing materialA351 GRADE CF8M,
      SA216M GRADE WCC,
      GX2CRNIMO19-11-2/A351 GR CF3M
    • Nominal pressureCL 150,
      CL 300,
      PN 25
    • Max. nominal sizeDN 600
    • Min. nominal sizeDN 50
    • Max. allowed fluid temperature260 °C
    • Min. allowed fluid temperature-50 °C
    • Valve body typeWafer-type body,
      Full-lug type, raised faces,
      Flanged body, raised faces

    Sectional Drawings


    Last change
    2-page product description DANAIS MTII (8460.024_EN)PDF1.2610/18/2021
    Last change
    ATEX (8610.81_EN)PDF1.599/20/2023
    DANAIS (8450.810_EN)PDF4.255/24/2023