Product OverviewThe REXROTH VT-VPCD-1-15/V0/1-P-1 is a high-performance proportional directional control valve designed for precise and dynamic control of hydraulic actuators in industrial mobile and stationary systems. This valve belongs to Bosch Rexroth’s established VT series, renowned for its reliability and advanced electrohydraulic performance. Its core function is to regulate the direction and flow rate of hydraulic fluid to cylinders or motors in response to an electrical input signal, enabling smooth and accurate control of speed, force, and position. The valve integrates a proportional solenoid, a precision spool valve, and often onboard electronics (OBE) for closed-loop control, providing excellent linearity, high response speed, and minimal hysteresis. Engineered for demanding applications, the VT-VPCD-1-15/V0/1-P-1 is built to withstand harsh environments, offering robust construction, high pressure capability, and compatibility with various hydraulic fluids. It is a key component for implementing sophisticated motion control in machinery, contributing to enhanced productivity, energy efficiency, and operational precision.Technical Specifications
Parameter Name
Parameter Value
Product Model
VT-VPCD-1-15/V0/1-P-1
Manufacturer
Bosch Rexroth
Product Type
Proportional Directional Control Valve (4/3-way)
Nominal Size
NG 10 (based on “-1-” in code)
Nominal Flow Rate
Approximately 60 L/min (specific to spool and ΔP)
Maximum Operating Pressure
350 bar
Spool Type
Proportional, with LVDT feedback for closed-loop spool position control (typical for VPCD)
Control Input Signal
Typically ±10 V DC or 4-20 mA (dependent on driver/amplifier)
Hysteresis
< 1% (with LVDT feedback)
Response Time (10%-90%)
< 20-30 ms (dependent on amplifier and system)
Electrical Connector
DIN 43650 Form A or other industrial connector
Housing Material
Aluminum or steel
Seal Material
Standard NBR; FKM or other options available
Fluid Compatibility
Mineral oils per ISO 11158, biodegradable fluids, HFD fluids
Fluid Temperature Range
-20°C to +80°C (operating)
Protection Class
IP65 (solenoid)
Weight
~5-7 kg (approximate)
VT-VPCD-1-15/V0/1-P-1
Main Functional Description
The REXROTH VT-VPCD-1-15/V0/1-P-1 operates as a servo-proportional valve. An external or integrated amplifier (often specified by the “/V0/1” suffix) receives a command signal from the machine controller. This amplifier drives the proportional solenoids, which generate a force proportional to the input current. This force moves the main spool against a spring centering force. The spool’s displacement from its neutral center position opens metering orifices, allowing hydraulic flow from the pressure port (P) to either work port (A or B), with the return flow going to the tank port (T). The spool’s position is continuously measured by an integrated LVDT (Linear Variable Differential Transformer) and fed back to the amplifier, which adjusts the solenoid current to correct any error between the commanded and actual spool position. This closed-loop control ensures precise, repeatable spool positioning independent of load pressure variations, fluid viscosity changes, or friction effects, resulting in highly accurate and stable control of the connected actuator.Application FieldsThe REXROTH VT-VPCD-1-15/V0/1-P-1 is deployed in a wide range of industrial applications requiring precise and dynamic hydraulic motion control. Its primary use is in injection molding machines for controlling the movement of the injection unit, ejectors, and mold clamping cylinders. It is equally critical in presses and metal forming machinery for controlling press slides, cushions, and automation axes with high accuracy.The valve is also extensively used in test and simulation rigs (e.g., material testing, fatigue testing) for precise load and position control. In general industrial automation, it controls manipulators, lifting columns, and rotary actuators. Furthermore, it finds application in special machinery like rolling mills, slitters, and winding equipment. Essentially, it is specified for any hydraulic system where smooth, programmable, and high-performance control of velocity, force, or position is required.Related Products
Rexroth VT-DFP or VT-DFPE Series Amplifiers: The external electronic drivers that provide the controlled current to the valve’s solenoids and process the LVDT feedback.
Rexroth 4WRPEH Proportional Valves: A different series of high-performance servo-proportional valves, often considered for similar applications.
Rexroth A10VSO Axial Piston Pump: A typical pressure and flow supply unit that would feed a system controlled by the VT-VPCD valve.
Rexroth CytroBox: A compact valve manifold system that can integrate valves like the VT-VPCD.
Hydraulic Cylinder or Motor: The final actuator (e.g., a Rexroth hydraulic cylinder) that the valve controls.
Pressure and Temperature Sensors: For system feedback and protection, often used in conjunction with the valve for closed-loop system control.
Rexroth IndraWorks / IndraMotion MLD: The software environment used to configure and commission the drive electronics and motion control loops involving such valves.