MSO Seals and Gaskets has a vast variety of polypak seals in any material and in inventory ready to be shipped on the same day you order

U-Seal Materials and Application:

U-seals provides superb resistance against abrasion and extrusion. The most common
material used for U-Seals is polyurethane, but MSO will custom make any dimension U-seal out of any material you need. With a pressure tolerance of up to 15000 PSI and a heat range from –75° to +500° F the U-Seals has become a popular sealing application for hydraulic and pneumatic cylinders, piston valves and much more.



Types of U-Seals:

  •  DEEP
  •  TYPE B