
Structure of the fire fighting deep well pump.
1, Working part
This part is composed of working parts and water filter parts. The working part is made up of parts such as guide shell, impeller, conical sleeve, shell bearing and impeller shaft, etc. The impeller is of closed structure. The impeller is a closed structure. The shells are connected to each other by bolts. In the guide shell and impeller can be equipped with wear-resistant ring.
2, Pipe part
This part is composed of water lifting pipe, drive shaft, coupling and bracket parts. The water lifting pipe is connected by flange or pipe thread. The material of the drive shaft is 2Cr13 or stainless steel. When the bearing part of the drive shaft is worn out, if it is a threaded connection of the water lifting pipe, the installation position of two short water lifting pipes can be exchanged and can be used again. If it is a flange-connected water pipe, you can change the up and down direction of the drive shaft and use it again. The electric fire pump with threaded headpipe is equipped with a special locking ring at the connection between the pump base and the uppermost headpipe, which can effectively prevent the headpipe from falling off.
3, Inoue part
This part consists of the pump base, the motor for the fire pump, the motor shaft, the coupling and other components. It can be equipped with electric control box, short outlet pipe, inlet and outlet valve, pressure gauge, check valve, gate valve and rubber or stainless steel expansion joint.