This o-ring is supplied in AS568-172 red PTFE-Encapsulated Silicone 70 Shore A supplied with an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm), catalogued under part number TES70172. It creates a positive seal at flange, piston and rod interfaces without added hardware. This item is further identified as ORING 70 Durometer.
PTFE-Encapsulated Silicone is known for a seamless PTFE jacket over a resilient silicone core and strong resistance to permeation. This material stands up to steam, nearly all process chemicals, and strong acids and solvents. The material carries a published service range of -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.
Maintenance and OEM teams specify it across pharmaceutical manufacturing, cryogenic and high-temperature equipment, and food and beverage processing.
This item is sold individually under part number TES70172. Review your operating media and conditions against this specification before installation.
description 568-172 FEP ENCAPSULATED SILICONE
uf_description2 ORING 70 DUROMETER
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 8.237 inch (209.22 mm)
Actual_OD 8.443 inch (214.45 mm)
ProductCode Description O-Rings - Bulk - Premium