Q-370 BUNA 70 Q RING

Part number QH70370 is an AS568-370 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring supplied with an inside diameter of 8.225 in (208.92 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.645 in (219.58 mm). A quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

The compound resists many alcohols, greases and lubricants, and hydraulic fluids. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

Common environments for this compound include automotive, general industrial maintenance, and hydraulic and pneumatic systems.

This item is sold individually under part number QH70370. Unit weight is approximately 19.7 g and nominal inside diameter is listed as 8 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.