This quad-ring is supplied in AS568-469 black Viton® (FKM) 75 Shore A quad profile built to an inside diameter of 19.955 in (506.86 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 20.505 in (520.83 mm), catalogued under part number VQ4469. It provides a dual sealing band on each contact face for improved reliability.
Viton® (FKM) is widely chosen for excellent resistance to compression set and permeation, the industry benchmark where nitrile reaches its thermal limit. The compound resists many acids, engine and transmission fluids, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
You will find this material specified across aerospace, semiconductor equipment, and high-temperature process equipment.
Stocked as VQ4469 and sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description **4469-514AD MINNESOTA RUBBER QUAD RING
Actual_ID 19.955 inch (506.86 mm)
Actual_OD 20.505 inch (520.83 mm)
Actual_CS 0.275 inch (6.99 mm)
ProductCode Description O-Rings - Square/Quad - Premium