Putzmeister
Back up ring for Putzmeister
This back up ring is designed for use in Putzmeister hydraulic systems to support seals and prevent extrusion under pressure. The component is identified by part number 063669006 and is compatible with various Putzmeister concrete pumps and distribution booms.
Specifications
- Part number
- 063669006
- Brand
- Putzmeister
The back up ring 063669006 functions within the hydraulic systems of Putzmeister machinery to provide structural support to primary seals. By occupying the clearance gap between mating metal surfaces, it prevents the seal from extruding under high-pressure conditions, which helps maintain the integrity of the hydraulic circuit and prevents fluid loss. This component is engineered to work in conjunction with both dynamic and static seals found in cylinders, valves, and various hydraulic actuators.
This part is compatible with a wide range of Putzmeister equipment, including concrete pumps, distribution booms, and mixers. It is manufactured to meet the specific dimensional requirements of the brand's hydraulic assemblies. The design ensures that the primary seal remains correctly positioned and supported during operation, even when the system experiences fluctuating pressures or intense duty cycles.
In hydraulic engineering, back up rings are used to extend the operational life of seal sets by managing the mechanical stresses applied to the sealing material. By limiting the deformation of the seal, the ring allows the system to operate effectively at higher pressure ratings without risking premature seal failure or leakage. Proper installation of this component is necessary to ensure the continued performance of the hydraulic system in heavy machinery applications.

