APG stocks the L25002750250B, a Polyurethane (AU/EU) Type B Loaded Lip Seal with a 2-3/4 inch inside diameter, a 3-1/4 inch outside diameter, and a height of 1/4 inch. A loaded lip seal uses a flexible sealing lip energized by system pressure to hold a tight seal on a moving rod or piston. Supplementary detail from the product record: Loaded Lip Seal (type B) Urethane.
As a material, Polyurethane (AU/EU) offers long wear life in dynamic reciprocating service and outstanding extrusion resistance at elevated pressure. The material holds up against petroleum oils, ozone, and extrusion under high pressure. It should not be specified for service in prolonged humidity at elevated temperature or hot water and steam.
You will find this material specified across press and forming equipment, hydraulic cylinders, and mining and heavy equipment.
This item is sold individually under part number L25002750250B. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 2-3/4" ID X 3-1/4" OD X 1/4" HT
uf_description2 LOADED LIP SEAL (TYPE B) URETHANE
ProductCode Description Seals - Lip Seals