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What are the requirements for installing the mechanical seals?
May 16, 2018

What are the requirements for installing the mechanical seals?

According to different models of mechanical seals, their display styles are different, but their installation methods are almost the same. The main installation steps and precautions are as follows:

(1) Determination of installation dimensions When installing, the mounting dimensions of the mechanical seal should be ensured according to the product instructions or samples.

(2) Before loading, the shaft (shaft sleeve) and gland should have no burrs and the bearings are in good condition; the seals, shafts, seal chambers and glands should be cleaned. To reduce the frictional resistance, a thin layer of oil should be applied on the shaft to install the mechanical seal to lubricate. Considering the compatibility of the rubber O-rings, if it is not suitable to use oil, apply soapy water. The structure of the floating static ring without anti-rotation pin should not be oiled and should be dry loaded into the gland.

(3) Install the stationary ring and the gland together on the shaft, taking care not to collide with the shaft, and then install the moving ring assembly. The set screws of the spring seat or the drive seat should be evenly tightened several times. Before the gland is not fixed, the compensating ring is pressed by hand to make axial compression. After releasing, the compensating ring can automatically spring back without seizure, and then the gland screw is evenly locked.

By following the steps in the process of installing the mechanical seals, you can be more prepared to quickly install mechanical seals, I believe these knowledge points can help you in the installation.

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