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Precautions Before Starting Horizontal Centrifugal Pump

Released on Jul. 21, 2018

The horizontal centrifugal pump is divided into a Single Suction Horizontal Centrifugal Pump and a Horizontal Multistage Water Pump. Before the horizontal centrifugal pump is started, the operator using the centrifugal pump should perform the following inspections on various centrifugal pump models to ensure that the centrifugal pump can be safe. jobs.

Precautions before starting the centrifugal pump

1. Before starting, you should slowly move the coupling or shaft of the horizontal centrifugal pump by hand to see if the rotation of the centrifugal pump is sensitive enough, there is no jam and the difficulty of turning the car. Check the inside of the pump body of the centrifugal pump. There is no foreign matter, whether the centrifugal pump impeller and the pump body are rubbed; the bearing has no abnormal sound or looseness and unevenness; the pump packing sealed with packing is not too tight or too loose; if the packing is too tight, the car is not moving Appropriate adjustment of the loose point, the filler will be too loose and will leak water. When the pump is running, slowly press the packing gland.

2. Check and tighten all the unit bolts. Check that the lubricant and grease in the centrifugal pump bearing housing are clean or they should be replaced. The amount of grease is preferably 2/3zui of the bearing housing volume, and the lubricating oil should be within the specified range of the sight glass display.

3. Before starting the centrifugal pump, the pump outlet gate valve should be closed and restarted to avoid the sudden start of the centrifugal pump due to over-flow, and the outlet valve should be opened gradually. The outlet valve should be opened within 3 minutes. The valve should not be closed for more than 5 minutes. 4. If the liquid level is lower than the centrifugal pump, it is necessary to fill the pump body with water. During the process of watering, the centrifugal pump coupling should be turned by hand or pipe wrench or the centrifugal pump exhaust screw should be turned on to make the pump The air inside the body and the impeller is clean.

Horizontal Multistage Water Pump

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