Reasons of O ring wear

Failure mode:

 

wear/abrasion

 

Failure cause:

 

a. too rough mating surface

 

b. slide movement due to pressure pulsation

 

c. wrong design of seal housing(groove)

 

Remedial measures:

 

a.improvement of mating surface (polishing)

 

b.if suitable, replacement of seal profile

 

c.adjust seal housing (groove)