Product Overview
The Rexroth VP18ADT12.21K31 (Material Number: R934001459) is a high-performance pneumatic directional valve engineered by Bosch Rexroth for precise control of compressed air flow in industrial automation and process systems. Operating on a poppet or spool-type actuation principle, this valve directs, throttles, and interrupts pneumatic flow paths to drive cylinders, actuators, and air-operated process equipment. As a direct-acting directional control valve, it is designed for fast response, minimal pressure drop, and reliable switching performance in demanding continuous-duty environments. Its compact modular construction allows seamless integration into manifold assemblies and OEM pneumatic control panels.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Directional Valve |
| Model Designation | VP18ADT12.21K31 / R934001459 |
| Manufacturer | Bosch Rexroth |
| Operating Pressure | Standard Industrial Grade (Up to rated bar) |
| Actuation Type | Pneumatic / Solenoid Pilot Actuation |
| Mounting & Connection | Standard ISO / Manufacturer Interface |
| Seal Material | NBR / FKM (application dependent) |
Engineering Features & Advantages
- Precision Performance: Optimized spool and seat geometry delivers fast, repeatable switching with minimal internal leakage and consistent flow metering across the operating range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with wear-resistant sealing elements and a robust valve body that withstands vibration, thermal cycling, and contaminated compressed air environments.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring drop-in replacement without modification to existing manifolds, piping, or control wiring.
- Low Pressure Drop: High-flow internal passages minimize energy loss and maintain actuator response speed, improving overall system efficiency.
- Modular Integration: Compact footprint and standardized interface allow straightforward mounting on valve manifolds and integration into centralized pneumatic control cabinets.
Typical Industrial Applications
This Rexroth pneumatic directional valve is widely deployed in plastic injection molding machines for mold clamping and ejection circuits, metallurgical presses and forming equipment for actuator sequencing, packaging and assembly automation lines for cylinder control, and general process industry pneumatic systems requiring reliable directional air control. It is equally suited to CNC machine tool air circuits, material handling systems, and marine or construction equipment pneumatic actuation packages.
PRODUCT IMAGES
Rexroth VP18ADT12.21K31 / R934001459 Pneumatic Directional Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH VP18ADT12.21K31 / R934001459 Proportional Directional Valve. This Germany-made 12 VDC hydraulic component features a 4-way proportional design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.