Main applications

  • Building services
  • Fire fighting and sprinkler systems
  • General Processes
  • HVAC
  • Heating / ventilation / air-condition
  • Industry engineering
  • Irrigation
  • Pressure boosting, fire fighting systems
  • Rainwater utilization
  • Steel
  • Surface treatment
  • Water supply
  • Water transport

Technical data

T max 130 °C
DN max 600
PN max 16


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.


Heating, ventilation, air-conditioning systems, for drinking water.

Further technical information about BOAX-S/SF

Overview of technical data

T -10 – 130 (°C)
DN 20 – 600
PN 16
Actuator options available ex works Electric actuator type ACTELEC
Body design Median rib body
Anti-condensation feature Yes
Valve disc material JS 1030, 1.4301
Dimension standard EN 558-1/20 ISO 5752/20
Liner material NTRILE-K, EPDM-XU
Valve disc/plug material Soft seat
Threaded-end design Wafer-type design
Body material (EN standard) JS 1030
Main applications Building services
Body material Nodular cast iron