The fire engine pump unit is used for water supply for fire fighting and rescue operations. The fire engine pump assembly consists of a pump, a coupling assembly, and other auxiliary devices. The coupling group has the function of connecting the pump and the motor to each other. It can also be used to connect the suction pipe and the delivery pipe to each other. The coupling assembly consists of two parts: the water supply part and the discharge part.
The water supply part includes a U-flange and two bolts connected by screws. The exhaust comprises a disc plate, which attaches to a sealing ring via bolts and nuts.
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