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DANAÏS MT II Butterfly valve
Butterfly valve


Double-offset butterfly valve 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
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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
    • allows 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, Flange
    • Design concept DriveWith electric actuator, With handwheel, Hydraulic, Lever, With pneumatic actuator, Without
    • 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


    Last change
    2-page product description DANAIS MTII (8460.024_EN)PDF1.2610/18/2021
    Last change
    ATEX (8610.81_EN)PDF1.093/14/2022
    DANAIS (8450.810_EN)PDF4.563/14/2022