702303 O-Ring 2-221 HNBR

The 702303 O-RING 2-221 HNBR is a high-quality sealing component manufactured by Blackmer, supplied by KI Pumps of Waukesha, WI. This O-ring is constructed from hydrogenated nitrile butadiene rubber (HNBR), known for its excellent resistance to heat, oil, and compression sets, ensuring durable performance in demanding environments. The O-ring has a standard AS568 size 2-221, designed for precise fitting in pump and valve assemblies. Its dimensions include a cross-sectional diameter of approximately 0.070 inches (1.78 mm) and an inner diameter of 0.221 inches (5.61 mm). It is compatible with equipment requiring high-pressure sealing, with an operating temperature range of -40°F to +250°F (-40°C to +121°C). Key features include: Material composition: HNBR (hydrogenated nitrile-butadiene rubber) Dimensions: 2-221 (AS568 standard), cross-section 0.070 inches, inner diameter 0.221 inches Temperature resistance: -40°F to +250°F (-40°C to +121°C) Chemical resistance: oils, greases, hydraulic fluids, and moderate acids Durability: high resistance to wear, compression set, and extrusion Application suitability: hydraulic pumps, control valves, and other sealing environments requiring reliable performance This 702303 O-RING 2-221 HNBR is ideal for use in pump applications demanding high sealing integrity and resistance to harsh chemicals and temperatures. It is suitable for professionals in the pump manufacturing, maintenance, and repair sectors looking for dependable sealing components. The package includes one O-ring; additional components or tools are not included. Proper installation ensure optimal sealing, and routine inspection is recommended for prolonged performance. The O-ring can be cleaned with compatible solvents and should be replaced if signs of cracking or deformation appear.