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BOAX-S/SF Butterfly valve
Butterfly valve


Centred-disc butterfly valve for building services, with heat barrier and elastomer liner (EPDM XU or Nitrile K), with lever, manual gearbox or electric actuator (BOAXMAT-S and BOAXMAT-SF models); semi-lug body (T2) or full-lug body (T4) suitable for downstream dismantling and dead-end service. Valve disc made of stainless steel 1.4308, connections to EN.
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Main Applications

  • Spray irrigation systems
  • General irrigation systems
  • Pressure boosting
  • Domestic water supply
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Technical Data

  • Nominal pressurePN 6, PN 10, PN 16
  • Max. nominal sizeDN 600
  • Max. allowed fluid temperature130 °C

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  • Thermometer (accuracy class 1)
  • Valve certified to
    • ACS/DVGW for drinking water applications, with XU elastomer liner

Technical Data

  • FunctionShut off/control flow
  • Design concept DriveWith electric actuator, With handwheel, Lever, With pneumatic actuator
  • Casing materialEN-GJS-400-15
  • Nominal pressurePN 6, PN 10, PN 16
  • Max. nominal sizeDN 600
  • Min. nominal sizeDN 20
  • Max. allowed fluid temperature130 °C
  • Min. allowed fluid temperature-10 °C
  • Valve body typeSemi-lug type, Full-lug type, raised faces

Sectional Drawings


TitleFormatSizeLast change
2-page product description BOAX-SF (8417.021_EN)PDF0.844/20/2021
TitleFormatSizeLast change
Operating instructions - BOAX - S/SF (8417.8_EN)PDF0.464/20/2021
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BOAX-SF (8408.522_EN)RTF0.076/23/2021