Ordered as TES70355, this is an AS568-355 red PTFE-Encapsulated Silicone 70 Shore A O-Ring measuring an inside diameter of 5.225 in (132.72 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.645 in (143.38 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Additional detail on this item: ORING 70 Durometer.
The material holds up against nearly all process chemicals, steam, and wide temperature swings. PTFE-Encapsulated Silicone offers strong resistance to permeation and a seamless PTFE jacket over a resilient silicone core. Published continuous service range is -75°F (-59.4°C) to 400°F (204.4°C). It should not be specified for service in tight-radius dynamic flexing or installation over sharp edges.
It sees regular use in chemical processing, cryogenic and high-temperature equipment, and pharmaceutical manufacturing.
Order part number TES70355, sold individually. 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 568-355 FEP ENCAPSULATED SILICONE
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 5.225 inch (132.72 mm)
Actual Outside Diameter 5.645 inch (143.38 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium