Single-acting piston seal

UNP piston seals

Hydraulic seals - Piston seals - UNP

UNP seals are single-acting U-cup seals made of thermoplastic polyurethane (TPU). They are suitable for pressures up to 350 bar (5,075 psi) and are available in metric and inch sizes. For additional information, see the UNP profile data below.

For higher pressures, SKF can supply filler anti-extrusion rings on request.