Caleffi Brass Air Relief Valve

These automatic air vents eliminate residual air in heating and air conditioning systems without the need for manual intervention. This prevents undesired noise, wear of devices in the circuits and inefficient performance of heating units.

• Automatic air vents are designed to remove the air that accumulates in heating and air conditioning systems without the need of manual intervention.
• Maintenance operations are simplified thanks to the automatic shut-off valve by shutting the water flow off when the valve is removed and also allow easy inspection of the air vent device.
• They prevent harmful phenomena that may compromise the life and performance of heating/cooling systems.
• They are installed in vertical position, on air separators, on hydraulic separators, on manifolds, on risers and generally in parts of the system where a concentration of air pockets is expected.
• All MINICAL and VALCAL range can be equipped with a hygroscopic safety cap.
• ROBOCAL series is equipped with anti rotation and anti vibration system float
  Installation

  Air is vented from the system by turning the plug on the air outlet anticlockwise by one complete turn from the fully closed position. Air is automatically vented if the cap is kept in this position. – It is recommended that the air vents are not fitted in places difficult to inspect and at risk of freezing.

  • Automatic air vent
  • Threaded connection 1/2” M.
  • Body and cover in brass.
  • Obturator in silicone rubber.
  • Maximum working temperature 115°C.
  • Maximum working pressure 10 bar.
  • Maximum discharge pressure 6 bar.
  • Float with anti rotation and anti vibration system.
  • Vertical discharge.