Product Overview
The FESTO LRP-1/4-4 (Part No. 159501) is a precision pneumatic pressure regulator from Festo’s LRP series, engineered to deliver accurate, repeatable downstream pressure control in compressed air systems. Operating on a diaphragm-actuated, spring-loaded regulating principle, this unit continuously compares outlet pressure against the setpoint established by the adjustable control knob and modulates the internal valve seat to maintain stable output regardless of fluctuations in supply pressure or flow demand. With a 1/4″ port size and a compact 4-size body, the LRP-1/4-4 serves as a critical control element in pneumatic valve assemblies, providing the pressure conditioning required to protect downstream actuators, cylinders, and process instrumentation in automated industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Pressure Regulator (Process & Pneumatic Valve) |
| Model Designation | LRP-1/4-4 / 159501 |
| Manufacturer | Festo |
| Port Size | G1/4 (1/4″ threaded connection) |
| Operating Pressure | Standard Industrial Grade (up to rated bar, pressure regulating range per LRP series) |
| Working Medium | Compressed air (filtered, lubricated or non-lubricated) |
| Mounting & Connection | Standard ISO / Manufacturer Interface, inline or bracket mounting |
Engineering Features & Advantages
- Precision Performance: Diaphragm-controlled regulating mechanism delivers accurate and repeatable outlet pressure, minimizing setpoint drift under varying flow conditions.
- Stable Regulation: Compensates for supply pressure fluctuations to protect sensitive downstream pneumatic components and maintain consistent actuator response.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with a robust housing and durable internal sealing elements.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Festo OEM standards, ensuring drop-in interchangeability.
Typical Industrial Applications
The FESTO LRP-1/4-4 is widely deployed in pneumatic control circuits across plastic injection molding machines, packaging and assembly automation lines, CNC machine tools, and general factory automation systems where precise air pressure conditioning is essential for repeatable process control and equipment protection.
PRODUCT IMAGES
FESTO LRP-1/4-4 / 159501 Precision Pneumatic Pressure Regulator
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 FESTO LRP-1/4-4 / 159501 Pressure Regulator Valve. This Germany-made pneumatic component features a diaphragm-operated design, delivering leak-free, reliable pressure control for heavy-duty industrial systems.