SpiroTop -St.Steel -HighT+P

A stainless steel air vent for high-temperature and high-pressure systems (max. 200 °C, max. 25 bar) with a ½" connection

25.0 Bar
Max 200.0°C

The benefits of the AB050/R004 SpiroTop, fully automatic air vent

  • For high temperature and high-pressure system environments
  • Special valve construction ensures valve is closed completely
  • Long lasting valve seat
  • Solid plastic (TPX), robust floats which cannot rupture
  • Applicable with 50/50 Ethylene Glycol / Water (Volume)
  • Large air gap between the valve and the water (at least 40 mm) prevents valve contamination and leaks
  • ½" connection prevents pipette effect

Product variants


Article number AB050/R004

The positioning of the SpiroTop

Free air in a heating or cooling system always raises to the highest point in the installation (components). Therefore, the SpiroTop air vents always need to be installed at the highest point in the installation. 


Positioning of SpiroTop Air Vent