Putzmeister 445777 Seal Kit

The Putzmeister 445777 Seal Kit (225/125) is a high-performance sealing solution designed for the 1st boom hydraulic cylinder of Putzmeister concrete pumps, ensuring reliable sealing and stable operation under high-pressure conditions. This seal kit is specifically developed for use in: PM36Z and PM38Z concrete pumps (1st boom) It plays a critical role in maintaining hydraulic integrity by preventing leakage, stabilizing pressure, and ensuring smooth boom movement during concrete pumping operations. Manufactured according to Putzmeister standards, the 445777 seal kit offers precise fitment, durability, and long service life, even in demanding construction environments where components are exposed to high loads, continuous cycles, and abrasive conditions. The materials used in this seal set provide excellent resistance to pressure, wear, and temperature variations, making it ideal for intensive use and long-term reliability. Worn or damaged seals in the first boom can cause hydraulic leaks, unstable movement, and performance loss. The 445777 seal kit ensures consistent pressure, smooth operation, and reduced downtime.