Q-474 FLUOROELASTOMER 75 Q RING

This quad-ring is supplied in AS568-474 black Viton® (FKM) 75 Shore A quad profile supplied with an inside diameter of 24.94 in (633.48 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 25.49 in (647.45 mm), catalogued under part number QV70474. It provides a dual sealing band on each contact face for improved reliability.

Expect good resistance to many acids, engine and transmission fluids, and aggressive chemicals. That behavior comes from the compound itself: Viton® (FKM) offers excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).

Maintenance and OEM teams specify it across semiconductor equipment, aerospace, and high-temperature process equipment.

This item is sold individually under part number QV70474. Nominal inside diameter is listed as 25 inch. Check the compound against your process media, pressure and temperature before committing to a design.