Q-167 BUNA 70 Q RING

APG stocks the QH70167, an AS568-167 black Buna-N (Nitrile) 70 Shore A Quad-Ring supplied with an inside diameter of 6.987 in (177.47 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.193 in (182.7 mm). A quad-ring seats in a standard o-ring gland while offering improved dynamic performance.

As a material, Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material holds up against hydraulic fluids, many alcohols, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to automotive brake fluid or strong acids will shorten service life. The profile itself contributes resistance to the spiral twisting that defeats round-section rings and lower compressive load required to achieve a seal.

Common environments for this compound include construction equipment, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold individually under part number QH70167. Unit weight is approximately 3.6583 g and nominal inside diameter is listed as 7 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.