Part number VQ4208 is an AS568-208 black Viton® (FKM) 75 Shore A quad profile Quad-Ring built to an inside diameter of 0.609 in (15.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.887 in (22.53 mm). A quad-ring seats in a standard o-ring gland while offering improved dynamic performance.
Viton® (FKM) is known for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. This material stands up to petroleum oils and fuels, chlorinated solvents, and aggressive chemicals. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It is not the right choice where amines or hot water and steam are present.
Maintenance and OEM teams specify it across chemical processing, semiconductor equipment, and aerospace.
VQ4208 ships individually. Check the compound against your process media, pressure and temperature before committing to a design.
description 4208-514AD MINNESOTA RUBBER QUAD RING
Actual_ID 0.609 inch (15.47 mm)
Actual_OD 0.887 inch (22.53 mm)
Actual_CS 0.139 inch (3.53 mm)
ProductCode Description O-Rings - Square/Quad - Premium