4337-514AD MINNESOTA RUBBER QUAD RING

This quad-ring is supplied in AS568-337 black Viton® (FKM) 75 Shore A quad profile built to an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm), catalogued under part number VQ4337. It seats in a standard o-ring gland while offering improved dynamic performance.

As a material, Viton® (FKM) delivers the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. Expect good resistance to many acids, chlorinated solvents, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or amines call for a different compound.

It sees regular use in oil and gas, high-temperature process equipment, and semiconductor equipment.

Stocked as VQ4337 and sold individually. Nominal inside diameter is listed as 3 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.