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KE Butterfly valve
Butterfly valve


Centred-disc butterfly valve with PFA liner for the chemical industry. With lever, manual gearbox, pneumatic or electric actuator. With wafer-type body (T1), full-lug body (T4) or U-section body with raised faces (T6). EN, ASME, JIS connections possible.
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Main Applications

  • Chemical industry
  • Seawater desalination/reverse osmosis
  • Paper industry / pulp industry
  • Pharmaceutical industry
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Technical Data

  • Nominal pressurePN 6, PN 10
  • Max. nominal sizeDN 600
  • Max. allowed fluid temperature200 °C

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  • Primary seal at the shaft passages:
    • Ensured by the contact pressure between the valve disc with spherical sealing contour and the elastomer or PFA liner
    • The compression of the liner's collar between the shaft and the body ensures absolutely tight sealing.

Technical Data

  • FunctionShut off/control flow
  • Connection typeInstallation between flanges
  • Design concept DriveWith electric actuator, With handwheel, Hydraulic, Lever, With pneumatic actuator
  • Mains frequency50 Hz
  • Casing materialEN-GJS-400-18U-LT, GJL-GJS-400-15
  • Nominal pressurePN 6, PN 10
  • Max. nominal sizeDN 600
  • Min. nominal sizeDN 40
  • Max. allowed fluid temperature200 °C
  • Min. allowed fluid temperature-20 °C
  • Valve body typeWafer-type body, Full-lug type, raised faces, U-shaped body, raised faces

Sectional Drawings


TitleFormatSizeLast change
2-page product description KE PLASTOMER (8459.021_EN)PDF1.214/19/2021
TitleFormatSizeLast change
ATEX (8610.81_EN)PDF0.44/19/2021
Operating instructions - KE (8455.8_EN)PDF0.414/20/2021