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/ Spare & Wear Parts / Hydraulic Parts / Hydraulic Valves / Proportional Valves

Proportional Valves Precision Flow and Pressure Control for Demanding Hydraulic Systems

Accurate modulation of flow and pressure for smooth control
Available with integrated electronics (OBE) or external amplifiers
Supports analog (±10V, 4–20mA) and fieldbus interfaces (CAN, Profibus)
Direct-operated valves for low flow, pilot-operated for high capacity
Compact designs for cartridge and subplate mounting
High dynamic response and repeatability
Available in sizes NG06, NG10, NG16, NG25 and higher
Robust construction with hardened components for long service life

Plastic injection molding and die casting machines
Hydraulic presses and forming equipment
Mobile machinery (construction, agricultural, forestry)
Industrial automation systems and test benches
Energy sector (turbines, offshore, oil & gas)
Mining and material handling equipment
Steel mills and rolling machinery
Precision motion control in aerospace and defense systems

Whether you are replacing an OEM valve or specifying for a new installation, our experts can help with part number cross-referencing, electronic driver compatibility, and hydraulic circuit optimization. We provide full datasheet interpretation and technical support for maintenance teams and design engineers.

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We supply a complete range of hydraulic proportional valves from leading global manufacturers such as Rexroth (Bosch Group), Parker, Hydac, Voss, Sun Hydraulics, and Stauff. These valves are designed to provide precise control of pressure and flow in hydraulic systems, enabling smooth and accurate actuation of cylinders, motors, and actuators.

Unlike traditional on/off valves, proportional valves allow continuous and variable adjustment based on electrical input signals, making them essential in modern automation and process control. They are widely used in industrial, mobile, and energy applications where fine pressure regulation, load sensing, and speed control are required.

Our product line includes direct-operated and pilot-operated proportional valves, with analog or digital electronics, available in different mounting styles (subplate, threaded, cartridge). We also provide engineering support to select the correct flow capacity, response time, and electronic configuration for OEM projects or retrofit solutions. All models are available with worldwide shippingand backed by technical assistance.