*4377-514AD MINNESOTA RUBBER QUAD RING

This quad-ring is supplied in AS568-377 black Viton® (FKM) 75 Shore A quad profile built to an inside diameter of 9.975 in (253.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 10.395 in (264.03 mm), catalogued under part number VQ4377. It uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

Viton® (FKM) is specified here for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. This material stands up to chlorinated solvents, engine and transmission fluids, and aggressive chemicals. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Applications involving amines or hot water and steam call for a different compound.

You will find this material specified across chemical processing, automotive fuel systems, and semiconductor equipment.

VQ4377 ships individually. Nominal inside diameter is listed as 10 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.