Technical Parameters Category Specification Model BZZ-500-503-1189 Product Type Variable Displacement Axial Piston Pump Displacement ~500 cm³/rev (cubic centimeters per revolution). This is a common interpretation of the "500" in the model number. Pressure Rating Maximum Continuous Pressure Typically in the range of 350 bar (≈ 5075 psi) or higher. Peak Pressure Typically 400 bar (≈ 5800 psi) or higher. Control Type Pressure Compensator Control (Standard). Other controls (e.g., load sensing, torque limiting) may be options. Shaft Type Standard splined or keyed shaft. Rotation Clockwise or Counter-Clockwise (as viewed from the shaft end). Port Connection SAE or metric threaded ports. Fluid Type Mineral-based or synthetic hydraulic oil. Typical Applications Mobile Equipment Main pump for excavators, cranes, etc. Industrial Machinery Presses, injection molding machines.
