Q-320 BUNA 70 Q RING

QH70320 is an AS568-320 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring with an inside diameter of 1.1 in (27.94 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 1.52 in (38.61 mm). In service, this quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

The material holds up against petroleum-based oils, greases and lubricants, and propane and butane. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with automotive brake fluid or ketones.

You will find this material specified across automotive, construction equipment, and hydraulic and pneumatic systems.

Reference part number QH70320 when ordering; the item is sold individually. Unit weight is approximately 2.8778 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.