Foam Pump Pressure Balanced Proportioning Unit , the foam mixture of liquid mixture by the bubble pump liquid after the foam into the pressure balance valve, through the balance valve regulator after
The PF Series High Expansion Foam System Unit For Fire Fight includes foam tank, proportioner and high expansion foam generator. This device needs a water supply equipment to provide water with pressu
Life Raft Hydrostatic Release Unit is a device used for releasing inflatable life rafts fastened on ships. When a ship sinks,HRU operates automatically within a depth of 2~4m and then life raft functi