Mission
Backup ring for Mission HEX PUMP 240
The 450098 backup ring is designed for the Mission HEX PUMP 240. This component provides support to an O-ring to prevent extrusion under pressure.
Compatible models
Specifications
- Part number
- 450098
- Brand
- Mission
The 450098 backup ring acts as a rigid support component within the sealing system of the Mission HEX PUMP 240. It is installed alongside an O-ring to maintain the seal's shape and position within its groove, preventing the O-ring from deforming or extruding when subjected to fluid pressure. By providing this structural backing, the ring helps maintain the integrity of the seal assembly during pump operation.
This component is specifically engineered for the Mission HEX PUMP 240. It is designed to fit precisely within the pump's sealing arrangement to ensure that the primary O-ring remains effective. Proper installation of the backup ring is necessary to support the sealing element against the forces encountered in industrial pumping applications.
In hydraulic and centrifugal pump systems, backup rings are used to extend the operational range of O-rings in high-pressure environments. They prevent the seal from being forced into the clearance gap between mating parts, which is a common cause of seal failure. By filling the gap, the backup ring allows the O-ring to function correctly without compromising the seal's ability to contain fluids.

