DESCRIPTION
The PB-27 is a two-piece piston seal molded from 70A nitrile for high sealability and employs a hard polyacetal anti-extrusion ring as a companion piece
This seal is typically found in Asian manufactured lift truck cylinders.
SEAL INFORMATION
Material Type (Primary Seal): NITRILE
Material Type (Backup Rings): POLYACETAL
Durometer (Shore A): 70
Temperature Range (F): -20 TO 220
Max Pressure (psi): 4000
Max Speed (ft/sec): 3.0
Mating Surface Roughness - Ra (µm) - DYNAMIC: 0.1<>0.4
Mating Surface Roughness - Ra (µm) - STATIC: 0.8 MAX
Part Number Definition (Metric): MUH-(ID)X(BORE DIAMETER)X(HT)PB-27
Additional Part Number Definition (Metric): 75 X 100 X 18 = MUH-75X100X18PB-27