DESCRIPTION
Our MBT back-up rings are made from PTFE and provide added extrusion resistance and increased pressure rating to u-cups and polypacks with only minimal increase in gland width.
SEAL INFORMATION
Temperature Range (F): -100 TO 500
Max Pressure (psi) WITH WEAR RINGS: 7000
Max Pressure (psi) WITHOUT WEAR RINGS: 8500
Mating Surface Roughness - Ra (µm) - DYNAMIC: 0.1<>0.4
Mating Surface Roughness - Ra (µm) - STATIC: 1.6 MAX
Part Number Definition (Metric): MBT-(ID)X(CS)X(HT)
Additional Part Number Definition (Metric): 70 X 85 X 3 = MBT-70X7.5X3