Country and language selection

International websites


Americas / Oceania

Africa and Middle East

Asia / Pacific

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.
See all documents and downloads

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

Your KSB contact: We’re here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Čechy     241 090 213
Morava  585 208 518

Your KSB contact : We’re here to support you


  • Spherically machined disc with rounded sealing contour
    • ensures durable and permanently tight shut-off
  • Keyed connection between shaft and valve disc


    • M01A_24176890507-10_1

    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


    Last change
    2-page product description MAMMOUTH (8612.022_EN)PDF1.2610/18/2021
    Last change
    Operating instructions - ISORIA/MAMMOUTH (8449.8_EN)PDF2.035/23/2022
    ATEX (8610.81_EN)PDF1.093/14/2022