feature: Electric Pump-Consumes electricity, is environmentally friendly, and is economical; often used as the main pump
Diesel Pump-consume diesel, generally used as a backup
Jockey Pump-Used to control in-tube retention have water
Foam fire extinguishing system
FOAM BLADDER TANK
Foam bladder tank is used for providing foam solution for foam system. It mainly consists of pressure tank, rubber bladder, proportioner, control valves, and pipelines. Pressurized water is needed to swap out foam concentrate from bladder in the tank as a certain proportion. Foam concentrate then mix with pressurized water and become foam solution. There is feed inlet to refill or change foam concentrate for the tank.