4219-514AD MINNESOTA RUBBER QUAD RING

Ordered as VQ4219, this is an AS568-219 black Viton® (FKM) 75 Shore A quad profile Quad-Ring measuring an inside diameter of 1.296 in (32.92 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.574 in (39.98 mm). The quad-ring provides a dual sealing band on each contact face for improved reliability.

This material stands up to many acids, chlorinated solvents, and engine and transmission fluids. Viton® (FKM) is specified for very low compression set at elevated temperature and outstanding high-temperature capability. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or amines are present.

Maintenance and OEM teams specify it across chemical processing, semiconductor equipment, and high-temperature process equipment.

This item is sold individually under part number VQ4219. Nominal inside diameter is listed as 1 5/16 inch. Review your operating media and conditions against this specification before installation.