O-ring
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O-rings are critical sealing elements used throughout mud pumps to prevent fluid leakage in both static and dynamic joints. These round elastomeric rings are installed in grooves and compressed between components such as valve covers, fluid cylinders, cylinder liners, and bearing housings to create a pressure-tight seal under high-pressure, high-temperature drilling conditions.
Made from durable materials like NBR, Viton, HNBR, or PTFE, O-rings are engineered to resist oil, water, drilling fluids, and aggressive chemicals. Their flexibility and resilience make them ideal for absorbing vibration and accommodating movement between parts while maintaining a reliable seal.
All O-rings in this category are fully compatible with FMC BEAN, ATLAS COPCO (Trido series), and TRIAQUA mud pumps. They meet or exceed OEM standards for fit, performance, and chemical resistance, making them a vital part of any routine maintenance or overhaul operation.