APG stocks the A80218, an AS568-218 black Aflas (TFE/P) 80 Shore A O-Ring with an inside diameter of 1.234 in (31.34 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.512 in (38.4 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Aflas (TFE/P) offers excellent electrical insulating properties and high-temperature steam capability that most fluoroelastomers cannot match. It resists brake fluids and phosphate esters, strong bases, and sour gas and hydrogen sulfide. Published continuous service range is -25°F (-31.7°C) to 450°F (232.2°C).
You will find this material specified across oil and gas production, downhole tooling, and power generation.
Order part number A80218, sold individually. Unit weight is approximately 0.002 g and nominal inside diameter is listed as 1 1/4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -218 BLACK AFLAS 80D O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 1.234 inch (31.34 mm)
Actual Outside Diameter 1.512 inch (38.4 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium