Q-379 FLUOROELASTOMER 75 Q RING

The QV70379 is an AS568-379 black Viton® (FKM) 75 Shore A Quad-Ring supplied with an inside diameter of 10.975 in (278.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.395 in (289.43 mm). This quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

This material stands up to aromatic hydrocarbons, aggressive chemicals, and petroleum oils and fuels. Viton® (FKM) is valued for excellent resistance to compression set and permeation, outstanding high-temperature capability. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Exposure to low-molecular-weight organic acids or amines will shorten service life. The profile itself contributes lower compressive load required to achieve a seal and resistance to the spiral twisting that defeats round-section rings.

Common environments for this compound include semiconductor equipment, high-temperature process equipment, and oil and gas.

Reference part number QV70379 when ordering; the item is sold individually. Nominal inside diameter is listed as 11 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.