61225117- ORDERING DATA.pdf

This document is a Technical Ordering Specification for a Bleed Valve/Vent Screw component used in hydraulic systems for heavy-duty lifting equipment.

The specified component is Part Number 25055, a metric fine thread bleed valve with M22x1.5 thread specifications (22 mm diameter, 1.5 mm pitch). The component is designed to bleed trapped air from hydraulic lines to maintain precise and smooth operation of crane boom extensions and rocker arm movements. It is typically installed on the hydraulic manifold or cylinder body of the rocker arm (knuckle joint) on PK series cranes and is engineered for high-pressure hydraulic environments common in heavy-duty lifting equipment. The document recommends sourcing genuine parts from authorized Palfinger dealers to ensure compliance with OEM safety standards regarding thread quality and internal valve seating. Major regional suppliers such as CraneWorks and Thompson eParts typically stock these components for rapid shipping. Verification of the correct variant for a specific machine can be accomplished by cross-referencing the crane's serial number in the PALDesk parts portal.