News

Dynamic seals manufacturer, DSH Seals

Update:2017-06-23

DSH Seals sort out some general problems of dynamic seals as below.

Too much leakage

Reasons and measures,

1 Poor assembly; install the seals in correct method, do not reverse or dislocation

2 Lake of pressure on the lip of oil seals; check the correct size of the seal and spring working properly

3 Rod surface finish or scraches; reduce the roughness of the shaft, select soft material or other seals material

4 Seal lip cracking; maybe due to the rough surface of the shaft, incorrect seals material or speed, high

temperature

5 seals are damaged or worn; replace seals and improve wear resistance performance

Large friction

Reasons and measures,

1 Poor lubrication; may be changed to polytetrafluoroethylene friction surface

2 Large preload; change seals types

3 Large pressure; change seals types

Seals are damaged

Reasons and measures,

1 Improper installation or careless; use appropriate technology and tools

2 Rough shaft; see the surface roughness and chamfering technical requirements

3 There are abrasive particles; choose dust seals in a dusty environment

Too much wear

1 improper seals type or material; choose the right seals according to the working condition

2 High temperature,  choose the right seals according to the working condition

3 High pressure,  choose the right seals according to the working condition

DSH Seals can  offer sealing solution based on your actual working condition, welcome to contact us.