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MAMMOUTH Butterfly valve

Butterfly valveMAMMOUTH

Centred-disc butterfly valve, sealed by elastomer liner, with manual gearbox, electric, hydraulic or counterweight actuator, U-section body with flat faces (T5), connections to EN, ASME or JIS.
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Main Applications

  • Water supply systems
  • Water transport
  • Cooling circuits
  • Seawater desalination/reverse osmosis

Technical Data

  • Nominal pressurePN 6, PN 10, PN 16, PN 20, PN 25
  • Max. nominal sizeDN 4000
  • Max. allowed fluid temperature80 °C

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  • The spherical contact between valve disc and liner ensures durable and permanently tight shut-off.
  • Keyed connection between shaft and valve disc
    • Dry shaft, no contact with fluid handled

Technical Data

  • FunctionShut off/control flow
  • Connection typeFlange
  • Design concept DriveWith electric actuator,
    With pneumatic actuator
  • Casing materialEN-GJS-400-15
  • Nominal pressurePN 6,
    PN 10,
    PN 16,
    PN 20,
    PN 25
  • Max. nominal sizeDN 4000
  • Min. nominal sizeDN 1050
  • Max. allowed fluid temperature80 °C
  • Min. allowed fluid temperature0 °C
  • Valve body typeU-shaped body, flat faces

Sectional Drawings

  • Download
  • Download


Last change
2-page product description MAMMOUTH (8612.022_EN)PDF1.2610/18/2021
Last change
Operating instructions - ISORIA/MAMMOUTH (8449.8_EN)PDF3.325/23/2023
ATEX (8610.81_EN)PDF1.093/14/2022