The comparison cam pump of self - suction pump and cam pump is very easy to wear out after a period of use, and the noise is particularly high after being worn out. In serious cases, the voice of the operator was too loud to approach.
And the flow of the cam pump can not be adjusted by the small valve because the cam pump can not be pressed to run, or it is easy to wear the rotor parts. Cam pump mobile pump configuration is used for more than 1000m3/h products, but in the face of rain flow due to water pump flow is too large and not, need to control the cam pump flow but not closed cam pump outlet valve so there is no way to control the flow of pump cam.
While the use of self suction pump mobile pump can solve the disadvantages of cam pump can not close a small valve operation, self-priming pump due to the use of the working principle of the centrifugal pump, so can close the outlet to control the self-priming pump flow pump, such as mobile car exports are usually by more than 4 8 inch pipeline so, in the face of small flow drainage can be used when plugging away excess bulkhead outlet pipe only one outlet pipe can also use will not affect the normal operation of the self-priming pump.
And the use of large flow of mobile pump suction pipe has a plurality of as in the face of a negative suction due to wellhead too many pipes cannot all go inside, then can also use water pipe blocked extra bulkhead outlet pipe, inlet pipe and keep corresponding blocked the same size or smaller.
The advantages of the high suction self suction pump of the open impeller are fully equipped with the characteristics that the cam pump can suck large solid impurities, self suction height is 9 meters, and allow for short time idle.
And the self priming pump and cam pump with the same parameters are much lower than the cam pump at the price, and the maintenance frequency is much less.
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