Putzmeister 445780 Seal Set

The Putzmeister 445780 Seal Set (225/140) is a high-performance sealing solution designed for hydraulic boom cylinders in Putzmeister concrete pump systems, ensuring reliable sealing under high-pressure and continuous operating conditions. This seal set is specifically suitable for: PM42-4 → 1st Boom PM47RZ → 2nd Boom It plays a critical role in maintaining hydraulic pressure, preventing leakage, and ensuring smooth and controlled boom movement during concrete pumping operations. Manufactured according to Putzmeister OEM standards, the 445780 seal set provides precise fitment, durability, and long service life, even in demanding construction environments where components are exposed to high loads, repetitive cycles, and abrasive conditions. The materials used in this set offer excellent resistance to pressure, wear, and temperature variations, making it ideal for intensive and heavy-duty use. Seal wear in boom cylinders can cause pressure loss, hydraulic leakage, and unstable boom operation. The 445780 seal set ensures consistent performance, reduced downtime, and extended equipment life.