O-ring 90x5 DIN3771 NBR70 for Putzmeister

The O-ring 016136007 acts as a sealing element within the hydraulic and pneumatic systems of Putzmeister machinery. It is designed to create a secure closure between two mating surfaces, preventing the leakage of pressurized fluids or gases and blocking the entry of external contaminants into the system. The component is manufactured to the DIN3771 dimensional standard with a material specification of NBR70, which corresponds to nitrile rubber with a hardness of 70 Shore A.

This component is compatible with various Putzmeister concrete pumps and distribution booms. The NBR70 material provides resistance to mineral oils, greases, and petroleum-based hydraulic fluids commonly found in these heavy-duty systems. The 90 mm inner diameter and 5 mm cross-section ensure a precise fit for the intended hydraulic connections and cylinder assemblies.

O-rings serve as primary seals in hydraulic circuits to maintain system pressure and prevent fluid loss. By providing a flexible barrier, they accommodate slight movements between mechanical parts while ensuring the integrity of the hydraulic loop. Regular inspection and replacement of these seals are standard practices to prevent pressure drops and potential damage to more complex hydraulic components.