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I. Introduction ZH self-priming centrifugal pump is a kind of single-stage single-suction self-priming chemical centrifugal pump developed and produced by the same kind of products both at home and abroad. The pump is suitable for conveying temperature from 0 ℃ to 150 ℃ with solid particles less than 3 mm corrosive media.
Pump performance range: flow of 1.6 ~ 400m3 / h, head is 5 ~ 125m, suction height of 5 meters.
According to the different transmission medium, ZH-type self-priming centrifugal pump chemical contact with the liquid part of the material can be cast, cast steel, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 316,316 L and other materials.
Second, the meaning of the pump model description ZH50-32-160A
Z - Self-priming pump code H - Chemical pump code 50 - Pump suction inlet diameter (mm)
32 - pump outlet diameter (mm)
160 - pump impeller nominal diameter (mm)
A - cutting impeller diameter order, to A, B, C said Third, the structure description ZH self-priming chemical centrifugal pump mainly by the pump, impeller, pump cover, shaft, bracket, mechanical seals, bushings and other components . The pump self-priming effect, and truly achieve "a drainage, lifelong self-absorption." ZH self-priming chemical centrifugal pump equipped with bold high-rigidity pump shaft, and three imported bearings, with smooth operation, no noise. External built-in modular mechanical seal and equipped with water-cooled device, greatly improving the service life.
Direction of pump rotation: Self-priming end face is counter-clockwise rotation.
Fourth, the installation of the pump 1, the pump installed according to whether it is reasonable, the normal operation of the pump and life have a great impact, so before installation must be carefully corrected, shall not be sloppy, pump size and installed dimensions see ZH Self-priming chemical centrifugal pump dimensions and tables.
2, the pump suction and outlet lines must be added to the bracket, not for use as a pump support.
3, according to the location should be convenient for inspection and maintenance tour.
4, import and export pipelines must be installed valves for maintenance purposes.
5, according to the order:
a, the unit on the foundation buried in the bolt, with the level of calibration unit, tighten the ground nut.
b, with concrete perfusion sit and anchor bolt hole, until the concrete dry, re-check the level of the pump shaft.
c, then import and export pipelines, once again check the coupling coaxiality, measuring the coupling on the outer circle, under, left and right of the difference shall not exceed 0.1mm, the two coupling end face rotation within a week shall not exceed 0.3mm.
d, connect and open the cooling water.
e, move the motor, to ensure that the motor steering and pump steering the same.
f, fill the pump liquid through the upper hole of the pump.
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