The H70FDA226 is an AS568-226 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.984 in (50.39 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.262 in (57.45 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, strong abrasion and tear resistance. The material holds up against propane and butane, hydraulic fluids, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving polar solvents or ketones call for a different compound.
The compound meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include agricultural equipment, automotive, and fluid power.
Order part number H70FDA226, sold individually. Unit weight is approximately 2.223 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -226 WHITE BUNA 70D FDA O-RING
uf_description2 COMPLIANT TO 21CFR SEC 177-2600, 0.139" (3.53MM) CS X 1.984" (50.39MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.984 inch (50.39 mm)
Actual_OD 2.262 inch (57.45 mm)
ProductCode Description O-Rings - FDA / Metal Detectable