Main applications

  • Building services
  • Chemical industry
  • Food and beverages
  • HVAC
  • Heat transfer, Cooling circuits
  • Heating / ventilation / air-condition
  • Industry engineering
  • Navy
  • Oil /Gas
  • Petrochemical Industry
  • Shipping / Shipbuilding
  • Special processes
  • Steel
  • Sugar
  • Surface treatment

Design type


Technical data

T max 350 °C
DN max 300
PN max 25


Flanged end strainer made of grey cast iron or nodular cast iron, with standard or fine mesh; all nominal sizes with drain plug in the cover.


Hot water heating systems. High-temperature hot water heating systems. Heat transfer systems. General steam applications in building services and industry. Other fluids on request.

Further technical information about BOA-S

Overview of technical data

T 10.0 – 350.0 (°C)
DN 15.0 – 300.0
PN 25.0
Body design Y-valve body
Dimension standard EN 558-1/1 ISO 5752/1
Threaded-end design Flange design
Body material (EN standard) JS 1025, JL 1040
eClass assignment 37011401
Main applications Building services, Industry and process engineering
Body material Cast iron, Nodular cast iron
Body/bonnet seal element Externally confined seal