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DMS SEALS TECHNOLOGY CO.,LIMITED

DMS Seals - Hydraulic Seals and Oil Ring Seals Manufacturer & Supplier

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Rotary dynamic seal leakage elimination

Rotary dynamic seal leakage elimination

2024-06-14

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One: Excessive leakage. Reasons and measures:

1. Poor assembly: Install the sealing ring correctly, do not install it backwards or misplace it

 

2. Insufficient lip pressure (oil seal): Check whether the seal size is correct and whether the spring is working properly

 

3. The shaft is rough or scarred: Reduce the roughness of the shaft, or use softer seals or other sealing materials

 

4. Seal lip cracking: It may be caused by rough shaft surface, incorrect sealing material used, speed, high temperature, etc.

 

5. The sealing ring is damaged or worn: replace the sealing ring and improve the wear resistance of the sealing ring.

 

Two: high friction. Reasons and measures:

1. Poor lubrication: It may be possible to replace it with a polytetrafluoroethylene friction surface

 

2. The preload is too large: the sealing type may be changed

 

3. The pressure is too high: the sealing type may be changed

 

Three: The seal is damaged. Reasons and measures:

1. Improper or careless installation: Utilize proper techniques and tools

 

2. Shaft roughness: Check surface roughness and chamfering technical requirements

 

3. If there are abrasive particles (also manifested as shaft wear), a dust-proof seal should be used in dusty environments.

 

Four: Excessive seal wear. Reasons and measures:

 

1. Wrong sealing type or material selection: Use a more suitable sealing type according to the working conditions.

 

2. The pressure is too high: Use a more suitable seal according to the working conditions.

 

3. The temperature is too high: Use a more suitable seal according to the working conditions.


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