This o-ring is supplied in black Viton® (FKM) 75 Shore A with an inside diameter of 77 mm (3.031 in), a cross section of 2 mm (0.079 in), and an outside diameter of 81 mm (3.19 in), catalogued under part number V2X77. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for very low compression set at elevated temperature, excellent resistance to compression set and permeation. It resists aromatic hydrocarbons, chlorinated solvents, and many acids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It is not the right choice where amines or hot water and steam are present.
You will find this material specified across aerospace, oil and gas, and chemical processing.
Stocked as V2X77 and sold individually. Unit weight is approximately 1.4659 g. Review your operating media and conditions against this specification before installation.
description 2MM CS X 77MM ID BLACK FKM 75D
uf_description2 METRIC O-RING
Actual_OD 81 mm (3.19 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 77 mm (3.031 inch)
ProductCode Description O-Rings - Metric - Commodity