2015年10月5日星期一

How to solve the problems of Horizontal multistage pump -www.gm-pumps.com

D type horizontal multistage pump  is applied to transport clear water or some other liquids with physical and chemical properties similar to clear water. it is widely applied in plant and city water supply

If there is problem for the pump, how to solve it? today the engineer of Shanghai Guomei Pump Co.,ltd will give some suggestions:

1. If the pump doesn't suck water, the points of the pressure gauge and vacuum gauage slings violently, then check the foot valve to see whether there is water leakage and then adequate water shall be fed into the pump. Screw down the air leakage location


2. If there is pressure down on the pressure gauge, but there is still no water coming out of the pump,  then check or shorten the pipe, check up the motor,  wash the impeller,  speed up the rotation speed

3. If the capacity is below the requirement as designed,  then Washt he pump and pipe, replace the seal ring, speed up the rotation speed

For more suggestions, will introduce in the following articles




2015年9月2日星期三

How to choose a slurry pump-www.guomeipump.com

Shanghai Guomei PumpCo.,ltd is professional pump manufacturer in China, today our engineer want to introduce how to choose a slurry pump


One of the key elements in  slurry pumping  is the size and nature of the solids being transported by the water and the nature of the abrasive wear it causes. As wear is a function of velocity, the pumps usually operate at 1200 rpm or slower.

The slurry pump used in slurry handling are basically conventional water pumps modified in a variety of ways to handle the particular solids. While some of these modifications are minimal, some of them are quite extensive. The difference depends on the size and nature of the solids being handled.





materials of construction are  include metal liners and/or wear plates with Ni-Hard) and heat-treated high chrome iron, usually A05, sometimes, A49 for high corrosive liquid, Natural rubber and other elastomers are also frequently used as a liner for abrasive services as long as they are chemically compatible with the slurry.



In addition to centrifugal designs, there are also vertical ,submersible pumpcan meet the demand, we will introduce it in the following articles