APG stocks the V8.4X189.1, a black Viton® (FKM) 70 Shore A O-Ring built to an inside diameter of 189.1 mm (7.445 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 205.9 mm (8.11 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Viton® (FKM) is widely chosen for very low compression set at elevated temperature and outstanding high-temperature capability. This material stands up to aggressive chemicals, many acids, and aromatic hydrocarbons. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or hot water and steam are present.
Typical settings include semiconductor equipment, high-temperature process equipment, and chemical processing.
Reference part number V8.4X189.1 when ordering; the item is sold individually. Unit weight is approximately 63 g. Review your operating media and conditions against this specification before installation.
Description 8.4MM CS X 189.1MM ID BLACK FKM 70D
Actual Outside Diameter 205.9 mm (8.11 inch)
Actual Cross Section 8.4 mm (0.331 inch)
Actual Inside Diameter 189.1 mm (7.445 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity