20 PCS UN Hydraulic Seal Polyurethane PU U-Cup Seal for Piston & Piston Rod ID 20-30mm

[Advantage]: Polyurethane UN U-Cup Seal, great wear resistance, stable sealing performance, low friction, easy installation. Max working pressure ≤32MPa, reciprocating speed ≤0.5m/s.

[Application]: Unidirectional hydraulic seal for piston and piston rod, widely used in hydraulic cylinders, hoists and engineering hydraulic equipment.