#Rings

https://www.sanpingmachinery.c....om/products/brt-back

BRT PTFE Back Up Rings Fits Excavator
BRT type PTFE+copper powder material Seal ring back support ring.

BRT back up ring seal series materials are: PTFE-polytetrafluoroethylene material and copper powder polytetrafluoroethylene.

The addition of copper powder PTFE has higher wear resistance and hardness, and the resistance to pressure is enhanced.

Advantages of BRT Back Up Ring PTFE Fits Excavator
d D t d D t
50 60 3 80 95 3
50 63 3 80 100 3
50 65 3 85 100 3
50 70 3 85 105 3
60 70 3 90 105 3
60 73 3 90 110 3
60 75 3 95 110 3
60 80 3 95 115 3
65 75 3 100 115 3
65 78 3 100 120 3
65 80 3 105 120 3
70 80 3 105 125 3
70 83 3 110 125 3
70 85 3 110 130 3
70 90 3 115 130 3
75 85 3 115 135 3
75 88 3 120 135 3
75 90 3 120 140 3
75 95 3 130 145 3
80 93 3 130 150 3