The VQ400M Series class "A" safety combination valves are used for control and regulation of gaseous fluids in gas power burners, atmospheric gas boilers, melting furnaces, incinerators and other gas-consuming appliances.
The VQ400M offers flexibility to mount accessories like valve position indicators, pressure indication switches, vent valves or bypass valves at several positions on the gas valve, whenever, wherever. These combination valves are available in two body sizes:
Small model: VQ420, VQ425
Large model: VQ440, VQ450
All models are connected to suitable sized gas pipes using flange kits which can be ordered separately in several sizes.