TFE359 is an AS568-359 white PTFE (Teflon) 55 Shore D O-Ring supplied with an inside diameter of 5.725 in (145.42 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.145 in (156.08 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, PTFE (Teflon) is valued for near-universal chemical inertness and non-stick, non-contaminating surface characteristics. Expect good resistance to nearly all industrial chemicals, solvents, and steam. The material carries a published service range of -65°F (-53.9°C) to 500°F (260°C).
Typical settings include chemical processing, food and beverage, and laboratory equipment.
TFE359 ships individually. Nominal inside diameter is listed as 5 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description 568-359 PTFE ORINGS FDA
uf_description2 5.725" (145.42MM) ID X .210" (5.33MM)
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 5.725 inch (145.42 mm)
Actual_OD 6.145 inch (156.08 mm)
ProductCode Description O-Rings - Bulk - Premium