S3X20 is a red Silicone 70 Shore A O-Ring supplied with an inside diameter of 20 mm (0.787 in), a cross section of 3 mm (0.118 in), and an outside diameter of 26 mm (1.02 in). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware. Supplementary detail from the product record: Metric O-RING, JIS G20.
The compound resists dry heat, weathering, and extreme heat and cold. Silicone is valued for very good compression set resistance across its range, physiological inertness and low toxicity. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). Applications involving steam above its rated range or concentrated acids call for a different compound.
This item meets FDA requirements for food contact. Maintenance and OEM teams specify it across sanitary process lines, ovens and heated equipment, and food and beverage processing.
Reference part number S3X20 when ordering; the item is sold individually. Unit weight is approximately 0.715 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description 3MM CS X 20MM ID RED SILICONE 70D
uf_description2 METRIC O-RING, JIS G20
Actual_OD 26 mm (1.02 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 20 mm (0.787 inch)
ProductCode Description O-Rings - Metric - Commodity