Technical Parameters Parameter Typical Specification / Description Product Series Eaton PDG (Proportional Directional Valve) Product Type Electro-Hydraulic Proportional Directional Control Valve Nominal Size / Port Size D34 (e.g., 1-1/4" or 32mm porting) Maximum Operating Pressure Typically up to 350 bar (5000 psi) Maximum Flow Rate Typically up to 75 US gpm (284 L/min) per section Number of Spool Sections 1 (Indicated by the "S" suffix; multiple sections can be stacked) Spool Type Specific spool configuration (e.g., 3-position, 4-way) defined by the "XHM79" code. Control Type Proportional Solenoid with likely onboard electronics (ICE) Input Signal PWM, Current (e.g., 0 - 2.1A), or CANbus J1939 Electrical Connection Multi-pin Deutsch connector or similar Fluid Compatibility Mineral-based hydraulic oils to appropriate specifications Filtration Requirement Typically requires a cleanliness level of ISO 18/16/13 or better
