Ordered as TES70455, this is an AS568-455 red PTFE-Encapsulated Silicone 70 Shore A O-Ring measuring an inside diameter of 12.975 in (329.57 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 13.525 in (343.54 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. This item is further identified as ORING 70 Durometer.
Expect good resistance to strong acids and solvents, steam, and wide temperature swings. That behavior comes from the compound itself: PTFE-Encapsulated Silicone is valued for chemical inertness of PTFE with the wide temperature range of silicone and a non-contaminating, non-stick sealing surface. Service temperature is rated from -75°F (-59.4°C) through 400°F (204.4°C).
You will find this material specified across food and beverage processing, pharmaceutical manufacturing, and chemical processing.
Reference part number TES70455 when ordering; the item is sold individually. Nominal inside diameter is listed as 13 inch. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-455 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 12.975 inch (329.57 mm)
Actual_OD 13.525 inch (343.54 mm)
ProductCode Description O-Rings - Bulk - Premium