This o-ring is supplied in red Silicone 70 Shore A measuring an inside diameter of 55 mm (2.165 in), a cross section of 3 mm (0.118 in), and an outside diameter of 61 mm (2.4 in), catalogued under part number S3X55. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Expect good resistance to many oxidizing chemicals, ozone and UV exposure, and dry heat. Silicone is known for very good compression set resistance across its range and flexibility that holds at very low temperatures. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. It is not the right choice where concentrated acids or hydrocarbon fuels and oils are present.
This o-ring meets FDA requirements for food contact. Common environments for this compound include food and beverage processing, medical devices, and pharmaceutical manufacturing.
Order part number S3X55, sold individually. Unit weight is approximately 1.81 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 3MM CS X 55MM ID RED SILICONE 70D
uf_description2 METRIC O-RING
Actual_OD 61 mm (2.4 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 55 mm (2.165 inch)
ProductCode Description O-Rings - Metric - Commodity