This o-ring is supplied in AS568-454 red Silicone 70 Shore A with an inside diameter of 12.475 in (316.87 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 13.025 in (330.84 mm), catalogued under part number S70MD454. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Silicone is specified here for very good compression set resistance across its range and excellent electrical insulating properties. It resists ozone and UV exposure, dry heat, and many oxidizing chemicals. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C). Applications involving abrasive dynamic service or concentrated acids call for a different compound.
The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across medical devices, sanitary process lines, and food and beverage processing.
Stocked as S70MD454 and sold individually. Nominal inside diameter is listed as 12 1/2 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -454 RED SILICONE 70D O-RING
uf_description2 METAL DETECTABLE, 0.275" (6.99MM) CS X 12.475" (316.86MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 12.475 inch (316.87 mm)
Actual_OD 13.025 inch (330.84 mm)
ProductCode Description O-Rings - FDA / Metal Detectable