**4428-514AD MINNESOTA RUBBER QUAD RING

The VQ4428 is an AS568-428 black Viton® (FKM) 75 Shore A quad profile Quad-Ring with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm). This quad-ring provides a dual sealing band on each contact face for improved reliability.

Expect good resistance to aggressive chemicals, engine and transmission fluids, and petroleum oils and fuels. Viton® (FKM) is valued for outstanding high-temperature capability and very low compression set at elevated temperature. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Applications involving low-molecular-weight organic acids or ketones and esters call for a different compound.

You will find this material specified across high-temperature process equipment, chemical processing, and oil and gas.

VQ4428 ships individually. Nominal inside diameter is listed as 4 7/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.