VT-VACAP-500-20/V0 0811405157 | Proportional Directional Valve

Description

Rexroth VT-VACAP-500-20/V0 0811405157 Proportional Directional Valve

As an authorized Rexroth distributor, Saulcontrol delivers precision hydraulic control solutions with comprehensive 1-year warranties and expert technical support for industrial and mobile applications.

Technical Specifications

Main Features and Advantages

The VT-VACAP-500-20/V0 delivers precision hydraulic control with integrated spool position feedback (LVDT) for closed-loop control accuracy. Featuring Rexroth’s advanced solenoid technology, it achieves minimal hysteresis (≤1%) and excellent repeatability (±0.5%) across the full operating range. The valve’s symmetrical design provides consistent performance in both flow directions with identical control characteristics.

Robust construction includes hardened spools and bushings for extended service life in contaminated fluid conditions. The high-dynamic response (≤25ms) enables precise speed control for acceleration-sensitive applications. The IP65-rated housing protects against dust ingress and water jets, suitable for mobile equipment and harsh industrial environments. Integrated diagnostic capabilities include coil temperature monitoring and spool position deviation alerts through compatible controllers like the VT-HNC100.

Application Areas

Industrial Machinery: The VT-VACAP-500-20/V0 controls hydraulic cylinders in plastic injection molding machines, providing precise velocity profiles during mold closing phases. In metal forming presses, it enables accurate force control during drawing operations. Test benches utilize its closed-loop capabilities for programmable load simulation.

Mobile Equipment: Excavators employ this valve for proportional bucket control with smooth operator feel. Forestry machinery uses it for grapple rotation and positioning functions. The valve’s compact design fits space-constrained mobile applications while maintaining high flow capacity for rapid cylinder movements.

Related Products

VT-5004-1X/V0 – Electronics module for standalone operation
VT-HNC100 – Programmable motion controller for valve banks
02-160-136 – Mounting flange kit for NG10 valves
R901108700 – Coil replacement kit for maintenance
4WREE10W1-50 – Alternative proportional valve with similar specs
Hydraulic Filters – Rexroth contamination control solutions
HED8OP – Pressure switch for system monitoring

Installation and Maintenance

Installation Preparation: Before installing the VT-VACAP-500-20/V0, ensure hydraulic fluid cleanliness meets ISO 4406 16/14/11. Use manufacturer-recommended mounting hardware (02-160-136 flange kit) and maintain proper alignment to prevent pipe strain. Ensure sufficient clearance for electrical connections and cable bending radius. Verify grounding integrity to prevent signal interference.

Maintenance Suggestion: Perform quarterly oil analysis to monitor contamination levels. Clean valve ports during filter changes using lint-free cloths. Maintain spare coils (R901108700) for critical applications. Calibrate spool position feedback annually using Rexroth service tools. Replace valve if steady-state accuracy drops below ±2% or response time exceeds 35ms.

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