Ordered as QV70041, this is an AS568-041 black Viton® (FKM) 75 Shore A quad profile Quad-Ring built to an inside diameter of 2.989 in (75.92 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.129 in (79.48 mm). The quad-ring provides a dual sealing band on each contact face for improved reliability.
As a material, Viton® (FKM) offers very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. The material holds up against aromatic hydrocarbons, engine and transmission fluids, and petroleum oils and fuels. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Exposure to ketones and esters or low-molecular-weight organic acids will shorten service life.
You will find this material specified across chemical processing, semiconductor equipment, and oil and gas.
Order part number QV70041, sold individually. Unit weight is approximately 1.216 g and nominal inside diameter is listed as 3 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description Q-041 FLUOROELASTOMER 75 Q RING
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 2.989 inch (75.92 mm)
Actual_OD 3.129 inch (79.48 mm)
ProductCode Description O-Rings - Square/Quad - Commodity