1-7/8" ID X 2-1/2" OD X 1/2" HT

Ordered as L31201875500B, this is a Polyurethane (AU/EU) Type B Loaded Lip Seal measuring a 1-7/8 inch inside diameter, a 2-1/2 inch outside diameter, and a height of 1/2 inch. The loaded lip seal uses a flexible sealing lip energized by system pressure to hold a tight seal on a moving rod or piston. This item is further identified as Loaded Lip Seal (type B) Urethane.

Expect good resistance to extrusion under high pressure, petroleum oils, and impact and shock loading. Polyurethane (AU/EU) is known for exceptional abrasion resistance and long wear life in dynamic reciprocating service. It is not the right choice where acids and bases or prolonged humidity at elevated temperature are present.

You will find this material specified across high-pressure fluid power, mining and heavy equipment, and hydraulic cylinders.

Order part number L31201875500B, sold individually. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.