SB-V70129-25 is an AS568-129 black Viton® (FKM) 70 Shore A O-Ring with an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint. Supplementary detail from the product record: 1.75IDX1.5625"ODX.0938"CS.
As a material, Viton® (FKM) is specified for excellent resistance to compression set and permeation, long service life in hot, chemically aggressive environments. The compound resists engine and transmission fluids, aggressive chemicals, and many acids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It should not be specified for service in hot water and steam or amines.
Typical settings include aerospace, chemical processing, and semiconductor equipment.
Stocked as SB-V70129-25 and sold by the bag. Nominal inside diameter is listed as 1 9/16 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description Viton 70-129-Black-Pk25
uf_description2 1.75"IDX1.5625"ODX.0938"CS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 1.549 inch (39.34 mm)
Actual_OD 1.755 inch (44.58 mm)
ProductCode Description O-Rings - Bagged - Commodity