Ordered as S3X25, this is a red Silicone 70 Shore A O-Ring supplied with an inside diameter of 25 mm (0.984 in), a cross section of 3 mm (0.118 in), and an outside diameter of 31 mm (1.22 in). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
The material holds up against extreme heat and cold, dry heat, and weathering. Silicone is valued for 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). It should not be specified for service in steam above its rated range or hydrocarbon fuels and oils.
The compound meets FDA requirements for food contact. It sees regular use in ovens and heated equipment, pharmaceutical manufacturing, and sanitary process lines.
Reference part number S3X25 when ordering; the item is sold individually. Unit weight is approximately 0.87 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 3MM CS X 25MM ID RED SILICONE 70D
uf_description2 METRIC O-RING
Actual_OD 31 mm (1.22 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 25 mm (0.984 inch)
ProductCode Description O-Rings - Metric - Commodity