APG stocks the S70468, an AS568-468 red Silicone 70 Shore A O-Ring with an inside diameter of 19.455 in (494.16 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 20.005 in (508.13 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
As a material, Silicone is known for physiological inertness and low toxicity, very good compression set resistance across its range. This material stands up to many oxidizing chemicals, extreme heat and cold, and weathering. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). It should not be specified for service in concentrated acids or abrasive dynamic service.
Common environments for this compound include sanitary process lines, ovens and heated equipment, and pharmaceutical manufacturing.
Reference part number S70468 when ordering; the item is sold individually. Unit weight is approximately 83.7 g and nominal inside diameter is listed as 19 1/2 inch. Review your operating media and conditions against this specification before installation.
description -468 RED SILICONE 70D O-RING
uf_description2 0.275" (6.99MM) CS X 19.455" (494.16MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 19.455 inch (494.16 mm)
Actual_OD 20.005 inch (508.13 mm)
ProductCode Description O-Rings - Bulk - Commodity