Leak reasons

Analyze

Lip wear excessive

1.Insufficient lubrication

2.Foreign body seizure

3.Too large internal pressure

4.Shaft surface featured degree too large

Lip hardening

1.Abnormally high temperature

2.Too large internal pressure

3.Insufficient lubrication

Lip damage

1.Defective assembly

2.Incorrect usage

3.Defective shaft chamfer

4.Foreign body seizure

Lip overturn

1.Defective shaft chamfer

2.Defective assembly

3.Too large internal pressure

Lip normal

1. Shaft damage

2. Shaft directional

3. Shaft eccentric large

4.Incorrect installation position

Lip uneven wear

1. Install eccentric large

2. Canted installation

Lip softening

1.Unsuitable lip material

Lip waist damage

1.Defective assembly

2.Too large internal pressure

Spring shedding

1.Defective shaft chamfer

2.Defective assembly

Oil Seal deforming

1.Defective assembly