Description

The pressure proportional mixing device is composed of a foam box, a pressure proportional mixer, a diaphragm, a water inlet pipe, a liquid outlet pipe and a control valve. When the pressure water flows through the proportional mixer of the device, the water and foam can be automatically mixed in a certain proportion, and the foam mixture is output for the foam generator, foam gun, foam spray head, foam gun and other spray equipment to spray the foam mixture for fire fighting.