T-LON Products, Inc. Datasheets for Back-up Rings

Back-up rings or anti-extrusion rings are washer-like devices used to prevent seals from extruding through gaps while under pressure. Seals are installed in the downstream side of the gland.
Back-up Rings: Learn more

Product Name Notes
Spiral Back-Up Ring T-Lon is now offering a line of PTFE spiral back-ups. We are making available the three most popular spiral ring series of 28782, 28783, and the TF171 series. These will...
Split Back-Up Ring -- 28774 Style T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. the amount of this extrusion is adffected b y O-ring hardness, operating temperature, operating pressure and...
Metric Back-Up Rings -- G Series
Metric Back-Up Rings -- P Series
Solid Back-Up Ring -- 27595 Style
T-LON PTFE Back-up Rings are designed to prevent extrusion in rubber O-ring sealing systems. The amount of this extrusion is affected by O-ring hardness, operating temperature, operating pressure and clearance...