Individual Devices – Pressure Regulators

Festo Individual Devices – Pressure Regulators

Festo’s individual-device pressure regulators are built for applications where standard modular service units are not sufficient — offering precision adjustment, high responsiveness, and robust performance under demanding conditions. These regulators enable accurate control of the output pressure, even with dynamic changes in supply pressure or flow demand.

They come in variants such as the LRP/LRPS precision regulators, designed for very low hysteresis (down to ~0.02 bar) and excellent stability, as well as the electric pressure regulator PREL, which handles pressures up to 40 bar for high-pressure applications. 

⭐ Important: These regulators provide refined pressure regulation with minimal hysteresis, high flow capacity and flexibility for critical pneumatic systems.

Design & Functionality

These regulators adjust the output pressure by sensing the downstream pressure and compensating for fluctuations in the supply. The precision models (LRP/LRPS) feature near-static control of output pressure even during rapid changes in operating pressure and flow. The electric model (PREL) integrates a proportional pressure regulator and sensor to maintain set-point output pressure even under high-pressure conditions (up to 40 bar). 

Total Crossed Beams

Across the product family, full coverage is provided for applications requiring either standard pressure control or very high-precision / high-pressure variants. The product range guarantees that whether the installation is a single device or part of a manifold, the regulator will deliver consistent performance.

Beam Pitch Options

Variants cover a wide range of features, including:
• Precision regulators (LRP, LRPS) with traditional manual adjustment, very low hysteresis, and standard flow sizes (~300 l/min to ~2,300 l/min) based on connection size. 
• High-pressure electric regulator (PREL) for up to 40 bar, with integrated sensor, proportional control, front/back gauge connections and soft-start function. 
• Modular mounting options: single device installation or integration into manifold/sub-base systems for distributed control.

⭐ Important: The breadth of variants ensures the correct regulator can be selected for either ultra-fine control or high-pressure/high-flow performance.

Intrinsic Synchronism

The internal servo/regulating mechanisms are designed so that output pressure remains stable and repeatable even when supply conditions fluctuate. This ensures synchronization of downstream pneumatic actuators and consistent machine behaviour.

Operational Advantages

• Exceptional pressure stability with very low hysteresis — suited for test-benches and precision automation.
• High flow capability in larger sizes, enabling use in demanding pneumatic networks.
• High-pressure versions handle up to 40 bar — extending usage beyond standard compressed air systems.
• Flexible installation: single-device mounting or manifold integration for space-efficient layouts.
• Reduced maintenance: engineered for smooth operation and robust control under varying load conditions.

Applications: Precision dosing systems, high-pressure pneumatic test equipment, automation stations requiring ultra-stable pressure, standalone pneumatic control units, laboratory or OEM machine integration.