Product Overview
The FESTO VPPM-8L-L-1-G14-0L6H-A4N (part number 543433) is a precision proportional pressure regulator from Festo’s VPPM series, engineered for closed-loop electro-pneumatic pressure control in demanding industrial automation systems. This valve operates on a proportional solenoid actuation principle, where an electrical setpoint signal (0–10 V or 4–20 mA) is continuously compared against an integrated pressure sensor feedback signal, and the internal control electronics modulate the valve spool position to maintain the commanded output pressure with high dynamic accuracy and repeatability. With its G1/4 threaded port connections and 8 mm nominal valve size, the VPPM-8L is designed for direct inline mounting in pneumatic supply lines, delivering stepless, infinitely variable pressure regulation in place of conventional mechanical regulators. The integrated display and pushbutton interface allow on-site parameterization, setpoint monitoring, and diagnostics without additional software, making this unit a complete, self-contained pressure control loop for factory automation, packaging machinery, and process control applications.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Proportional Pressure Regulator (Electro-Pneumatic Valve) |
| Model Designation | VPPM-8L-L-1-G14-0L6H-A4N / 543433 |
| Valve Size / Nominal Diameter | 8 mm (VPPM-8L series) |
| Pneumatic Connection | G1/4 (G14) threaded ports, supply and working line |
| Pressure Regulation Range | 0 – 6 bar (0L6H output range code), stepless proportional control |
| Setpoint Input Signal | Analog 0 – 10 V / 4 – 20 mA (A4N electrical variant) |
| Feedback / Control Principle | Integrated pressure sensor with closed-loop electronic control |
| Operating Medium | Compressed air, filtered and dried (ISO 8573-1), non-lubricated or lightly lubricated |
| Mounting & Connection | Inline body mounting, G1/4 threaded interface, standard Festo VPPM footprint |
| Display & Interface | Integrated LCD display with pushbutton setpoint adjustment and diagnostics |
Engineering Features & Advantages
- Precision Performance: The proportional pressure regulator (electro-pneumatic valve) delivers precise, repeatable performance with low hysteresis and stable control across the full working range.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original FESTO standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
The integrated display and pushbutton interface allow on-site parameterization, setpoint monitoring, and diagnostics without additional software, making this unit a complete, self-contained pressure control loop for factory automation, packaging machinery, and process control applications.
PRODUCT IMAGES
FESTO VPPM-8L-L-1-G14-0L6H-A4N / 543433 Proportional Pressure Regulator
⚡ 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 FESTO VPPM-8L-L-1-G14-0L6H-A4N / 543433 Proportional Pressure Regulator Valve. This German-made hydraulic component features precise electronic pressure control, delivering leak-free, reliable fluid control for heavy-duty industrial systems.