This o-ring is supplied in AS568-244 red Silicone 70 Shore A with an inside diameter of 4.234 in (107.54 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.512 in (114.6 mm), catalogued under part number S70MD244. It compresses into its gland to block fluid or gas migration across a joint.
As a material, Silicone is specified for flexibility that holds at very low temperatures and an exceptionally wide service temperature range. The compound resists extreme heat and cold, weathering, and dry heat. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). It should not be specified for service in steam above its rated range or concentrated acids.
This o-ring is metal detectable for HACCP and foreign-body control programs. You will find this material specified across electronics and electrical enclosures, medical devices, and food and beverage processing.
Reference part number S70MD244 when ordering; the item is sold individually. Nominal inside diameter is listed as 4 1/4 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description -244 RED SILICONE 70D O-RING
uf_description2 METAL DETECTABLE, 0.139" (3.53MM) CS X 4.234" (107.54MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 4.234 inch (107.54 mm)
Actual_OD 4.512 inch (114.6 mm)
ProductCode Description O-Rings - FDA / Metal Detectable