APG stocks the S70MD387, an AS568-387 red Silicone 70 Shore A O-Ring supplied with an inside diameter of 17.955 in (456.06 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 18.375 in (466.73 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Silicone is specified here for excellent electrical insulating properties and exceptionally wide service temperature range. The compound resists extreme heat and cold, weathering, and ozone and UV exposure. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C).
The compound is metal detectable for HACCP and foreign-body control programs. You will find this material specified across electronics and electrical enclosures, medical devices, and pharmaceutical manufacturing.
Stocked as S70MD387 and sold individually. Nominal inside diameter is listed as 18 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -387 RED SILICONE 70D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 17.955" (456.06MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 17.955 inch (456.06 mm)
Actual_OD 18.375 inch (466.73 mm)
ProductCode Description O-Rings - FDA / Metal Detectable