Automatic Air-Vent Valve VM6091
Venting valve for automatic venting of heating and cooling systems. The valve consists of a valve housing and a movable float. When a pipe is filled or empty air gets into the pipe it will pass between the float and the valve body. When all air is evacuated and the water comes in the float will float up and the valve closes. The automatic air-vent valve is equipped with an automatic shut-off valve which allows one to remove the automatic air-vent valve from the system without the system being affected. Female thread according to ISO 228.