This o-ring is supplied in AS568-157 red Silicone 70 Shore A with an inside diameter of 4.487 in (113.97 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.693 in (119.2 mm), catalogued under part number S70157. It creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to dry heat, ozone and UV exposure, and extreme heat and cold. Silicone offers very good compression set resistance across its range and flexibility that holds at very low temperatures. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C). Verify compatibility before use with steam above its rated range or abrasive dynamic service.
Typical settings include food and beverage processing, sanitary process lines, and ovens and heated equipment.
S70157 ships individually. Unit weight is approximately 2.86 g and nominal inside diameter is listed as 4 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -157 RED SILICONE 70D O-RING
uf_description2 0.103" (2.62MM) CS X 4.487" (113.97MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 4.487 inch (113.97 mm)
Actual_OD 4.693 inch (119.2 mm)
ProductCode Description O-Rings - Bulk - Commodity