Q-472 FLUOROELASTOMER 75 Q RING

APG stocks the QV70472, an AS568-472 black Viton® (FKM) 75 Shore A Quad-Ring built to an inside diameter of 22.94 in (582.68 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 23.49 in (596.65 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Viton® (FKM) offers long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. The compound resists engine and transmission fluids, aromatic hydrocarbons, and petroleum oils and fuels. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). The profile itself contributes a parting line located away from the sealing surface and lower compressive load required to achieve a seal.

It sees regular use in automotive fuel systems, aerospace, and semiconductor equipment.

Reference part number QV70472 when ordering; the item is sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.