APG stocks the S70MD284, an AS568-284 red Silicone 70 Shore A O-Ring measuring an inside diameter of 17.955 in (456.06 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 18.233 in (463.12 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Silicone delivers physiological inertness and low toxicity, an exceptionally wide service temperature range. It resists dry heat, many oxidizing chemicals, and ozone and UV exposure. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). Applications involving steam above its rated range or abrasive dynamic service call for a different compound.
This item is metal detectable for HACCP and foreign-body control programs. Typical settings include electronics and electrical enclosures, medical devices, and pharmaceutical manufacturing.
This item is sold individually under part number S70MD284. Nominal inside diameter is listed as 18 inch. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -284 RED SILICONE 70D O-RING
uf_description2 METAL DETECTABLE, 0.139" (3.53MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.233 inch (463.12 mm)
ProductCode Description O-Rings - FDA / Metal Detectable