Q-425 FLUOROELASTOMER 75 Q RING

This quad-ring is supplied in AS568-425 black Viton® (FKM) 75 Shore A built to an inside diameter of 4.475 in (113.67 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.025 in (127.64 mm), catalogued under part number QV70425. It delivers lower friction and better sealing stability than a comparable round-section o-ring.

As a material, Viton® (FKM) is specified for very low compression set at elevated temperature and outstanding high-temperature capability. Expect good resistance to engine and transmission fluids, aggressive chemicals, and many acids. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). The profile itself contributes resistance to the spiral twisting that defeats round-section rings and two sealing bands per contact face rather than one.

Typical settings include chemical processing, automotive fuel systems, and aerospace.

This item is sold individually under part number QV70425. Unit weight is approximately 30.231 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.