The VQ4445 is an AS568-445 black Viton® (FKM) 75 Shore A quad profile Quad-Ring supplied with an inside diameter of 7.975 in (202.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.525 in (216.54 mm). This quad-ring provides a dual sealing band on each contact face for improved reliability.
The compound resists aggressive chemicals, engine and transmission fluids, and chlorinated solvents. Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Applications involving amines or hot water and steam call for a different compound.
Maintenance and OEM teams specify it across high-temperature process equipment, chemical processing, and semiconductor equipment.
Order part number VQ4445, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
description *4445-514AD MINNESOTA RUBBER QUAD RING
Actual_ID 7.975 inch (202.57 mm)
Actual_OD 8.525 inch (216.54 mm)
Actual_CS 0.275 inch (6.99 mm)
ProductCode Description O-Rings - Square/Quad - Premium