-470 RED SILICONE 70D O-RING

Ordered as S70MD470, this is an AS568-470 red Silicone 70 Shore A O-Ring built to an inside diameter of 20.955 in (532.26 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 21.505 in (546.23 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Silicone is specified here for exceptionally wide service temperature range and excellent electrical insulating properties. It resists many oxidizing chemicals, weathering, and extreme heat and cold. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where concentrated acids or abrasive dynamic service are present.

The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across electronics and electrical enclosures, ovens and heated equipment, and food and beverage processing.

Reference part number S70MD470 when ordering; the item is sold individually. Nominal inside diameter is listed as 21 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.