The WERNERBA O-Ring 300-OR-12×3-NBR72 is a precision-manufactured sealing element for static and dynamic applications. With its dimensions of 12 mm outer diameter and 3 mm cross-section (inner diameter 6 mm), it fits into standard groove geometries. The material NBR72 (nitrile rubber with 72 Shore A hardness) offers good resistance to oils, fats, and mechanical stress. The maximum permissible operating pressure is approximately 100 bar, depending on the groove design and temperature range. This O-ring is excellent for sealing hydraulic and pneumatic cylinders, pumps, valves, and flanges. Availability and delivery time on request. Request a quote.
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