This o-ring is supplied in AS568-120 white PTFE (Teflon) 55 Shore D built to an inside diameter of 0.987 in (25.07 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.193 in (30.3 mm), catalogued under part number TFE120. It creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, PTFE (Teflon) delivers non-stick, non-contaminating surface characteristics and near-universal chemical inertness. This material stands up to oxidizing media, solvents, and nearly all industrial chemicals. Published continuous service range is -65°F (-53.9°C) to 500°F (260°C). It should not be specified for service in elemental fluorine at temperature or service requiring elastic recovery.
Common environments for this compound include chemical processing, semiconductor fabrication, and aggressive-media pipelines.
Reference part number TFE120 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation.
description 568-120 PTFE ORINGS FDA
uf_description2 .987" (25.07MM) ID X .103" (2.62MM) C
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 0.987 inch (25.07 mm)
Actual_OD 1.193 inch (30.3 mm)
ProductCode Description O-Rings - Bulk - Premium