-471 RED SILICONE 70D FDA O-RING

Part number S70FDA471 is an AS568-471 red Silicone 70 Shore A O-Ring measuring an inside diameter of 21.955 in (557.66 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 22.505 in (571.63 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Silicone is specified here for flexibility that holds at very low temperatures, physiological inertness and low toxicity. The compound resists dry heat, extreme heat and cold, and weathering. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where hydrocarbon fuels and oils or concentrated acids are present.

This item meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across ovens and heated equipment, food and beverage processing, and electronics and electrical enclosures.

This item is sold individually under part number S70FDA471. Unit weight is approximately 95.45 g and nominal inside diameter is listed as 22 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.