Our company fabricates PTFE guard rings for seals of circular static and moving joints (hereinafter referred to as "guard rings") to prevent expulsion of rubber rings into the sealed clearance by excess pressure in the head end of a cylinder. Guard rings are installed into grooves.

 

Standard sizes of guard rings are as specified in GOST 23825-79 and the table below (the number of available sizes in the table is expanding).

 

Rings can be fabricated in custom sizes. The cost of such custom items will be calculated based on ring sizes and order quantity.