Reasons and prevention measures of gear pump seal leakage

1、The gland was not installed correctly, plugging the drain holes on the front cover and back cover.

2、 The outer diameter of the sealing ring and the hole diameter of the sealing seat are too loose.

3、The direction of the pump body is reversed, so that the oil pressure port is connected to the unloading groove to form pressure to flush out the sealing ring.

4、 The oil quality is not clean and the oil return is not smooth.

5、The tubing thread is not tightly matched. As an important part of the gear pump, the seal of the gear pump plays the role of fixing the main shaft and sealing medium. In case of leakage, first check whether the selection and installation of the seal are correct, and secondly check whether the working conditions are running smoothly.

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