DESCRIPTION
Piston Cups are primarily used on piston heads, plungers or rams in hydraulic or pneumatic service. It's mechanical sealing surface is at it's periphery. Piston Cups are commonly used because of economical cost, excellent service life, efficient assembly, universal acceptance, and simple accessories.
Our PC-U style is a Polyurethane piston cup that is designed for pressures up to 1200 psi. All PC-U are center punched.
Our PC-U style Piston Cups are center punched.
SEAL INFORMATION
Durometer (Shore A) POLYURETHANE: 90
Temperature Range (F): -65 TO 220
Max Speed (ft/sec): 3.0
Mating Surface Roughness - Ra (µin) - DYNAMIC: 4<>16
Mating Surface Roughness - Ra (µin) - STATIC: 63 MAX
Part Number Definition (Inch): PC-U(BORE DIAMETER)
Additional Part Number Definition (Inch): 6"BORE DIAMETER = PC-U600