NON RETURN VALVE
Ensures airflow is uni-directional. Lightweight swinging disc design.
VALVE HOLDER PV for vrl
Flexible design tee to allow fitting of the VRL safety valve and MC/MV gauge directly to the blower/exhauster ports or adjoining pipework.
VI Valve is a device used for switching the flow from pressure to vacuum and vice versa.
VS flow reverse valve
Connected directly to the inlet/outlet of the blower/exhauster