Screw pump is no flow or flow not enough reason

there are a few users in the use of various models specifications of the screw pump will be confronted with screw pump products without the phenomenon of flow or screw pump flow is not enough, and don't know what is the cause of the screw pump has no flow is below for your sharing of screw pump flow is not enough for the following reasons: 1, it is possible that the screw water pump motor resulted in motor direction of rotation is wrong, wrong connection screw pump does not have the reason of flow is likely to be the cause of the motor reversal caused by, rewiring of arbitrary two switch wiring can solve. 2, screw pump flow and may be the cause of the user during the installation process the direction to get the import and export, the screw pump imported from the outlet pipe, the screw pump export received import pipeline, so the screw pump has no flow phenomenon. Here to remind the old type of screw pump users such as I - 1 b sludge screw pump product the import of this pump is the screw shaft at the line level is also the most in front of the pump head forward, and the liquid mouth is up; A new type of screw pump products such as G type single direction of screw pump products import and export and the old type of products are opposite, the series screw pump inlet fluid inlet is upward, and fluid outlet is in the front end level of forward pump head. So the import and export direction to make the screw pump is no traffic. Screw pump caused by 3, the cause of the medium viscosity is too large to convey the so there was no screw pump flow or screw pump flow is insufficient, can reduce the speed of the screw pump choose a large number of screw pump products, or heat pump body to lower the viscosity of the medium. 4, due to the installation of import pipeline than the pump inlet diameter thick, under the condition of the liquid level is lower than pump couldn't lead to absorb liquid, that is why screw pump no flow, this kind of circumstance should be replaced with the import of pump and the pipe inlet piping inside the filling of liquid can solve. 5, screw pump flow rate was not enough may be the cause of screw pump rubber sleeve is worn or corroded after will lead to the insufficient screw pump flow, to replace the appropriate new rubber sleeve can solve. 6, mesh blocked or large particle impurity blocked part of the rotor of the screw pump flow channel will screw water pump flow is not enough reason, remove plugging material can solve the problem. 7, the adoption of speed regulation of screw pump, the user in the process of using the speed adjustable e. this is also too low is below the screw pump flow is not one of the reasons, to adjust the rotation speed can solve a problem.

related articles: principle of screw pump conveying liquid if viscosity is not big head does not need too high we recommend or choose self-priming pump is better.

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