This o-ring is supplied in AS568-352 black Viton® (FKM) 75 Shore A with an inside diameter of 4.85 in (123.19 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.27 in (133.86 mm), catalogued under part number VITON75352. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Viton® (FKM) is widely chosen for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. It resists aggressive chemicals, chlorinated solvents, and aromatic hydrocarbons. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or ketones and esters are present.
You will find this material specified across high-temperature process equipment, semiconductor equipment, and oil and gas.
Order part number VITON75352, sold individually. Unit weight is approximately 16.531 g and nominal inside diameter is listed as 4 7/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -352 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.210" (5.33MM) CS X 4.850" (123.19MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.85 inch (123.19 mm)
Actual_OD 5.27 inch (133.86 mm)
ProductCode Description O-Rings - Bulk - Commodity