-270 BLACK BUNA 70D O-RING

Ordered as H70MD270, this is an AS568-270 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 8.984 in (228.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.262 in (235.25 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. The material holds up against water, hydraulic fluids, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

The compound is metal detectable for HACCP and foreign-body control programs. Typical settings include construction equipment, fluid power, and agricultural equipment.

This item is sold individually under part number H70MD270. Nominal inside diameter is listed as 9 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.