PTFE back-up ring
There are three basic types of PTFE back-up rings in use. They are single turn (scarf out), multi-turn(spiral cut), and solid (uncut) configurations.
We have the ability to provide PTFE back-up ring for applications where standard sizes and materials are applicable.
PTFE Back up ring can be supplied in variety of PTFE materials including virgin PTFE, Glass filled PTFE etc.
Other materials for back-up ring are avialable at customer request.
Suitability pursuant to DVGW W 270