Water ring vacuum pump vacuum injection molding industry - small reasons

water ring vacuum pump is the vacuum water pump is commonly used in injection molding industry, but in use process, usually because vacuum degree is low, the equipment can't normal according to the original performance, what reason be? Some of the reasons for low vacuum equipment.

a, water ring vacuum pump, vacuum low reason

1, the clearance between the impeller and the side cover is too big.

2, water ring vacuum water pump or pipe is blocked.

3, inadequate water supply standard, packing part of the leak.

4, normal temperature below 40 ℃, and circulating water gets hot, lead to an elevated temperature.

5, bearing deflection can lead to collision and friction between the impeller and the side cover, thus forming a groove and leakage of air.

2, the method of increasing the water ring vacuum water pump vacuum

1, open the valve in order to increase water supply, and check the leak proof parts.

2, tight seal connection bolt and plugs, change the packing, increase water seal, and replace the new gasket.

3, repairs and vacuum pump side cover, adjust the gap to the specified value, then check and adjust the bearing.

4, add cold water supply and reduce the water temperature.

5, after checking, bear in mind that clean vacuum pump impeller and pipeline to remove obstacles.

water ring vacuum pump flow is small in size, suitable for small displacement and use it in the injection molding industry, we must carry out the right steps and regular maintenance in daily life. Reduce other failure problem.

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