LR-1-D-MAXI-MPA Festo Pressure Regulator

USD 165.67

Maxi G1 pressure regulator. 11,500 l/min flow, 0.5-12 bar regulation, and secondary venting in a robust die-cast zinc housing.

SKU Festo-8002277 Category
Compressed air preparation

LR-1-D-MAXI-MPA Festo Pressure regulator

Model Identifier LR-1-D-MAXI-MPA
Official Part Number 8002277
GTIN Standard 4052568423636

Technical Overview

The Festo LR-1-D-MAXI-MPA is a high-flow piloted piston pressure regulator from the D series, designed for industrial pneumatic applications requiring high precision and reliability. It features a robust die-cast zinc housing and sub-base with NBR seals, supporting a standard nominal flow rate of 11,500 l/min. The unit includes a rotary knob with detent for secure pressure adjustment and an integrated pressure gauge. Designed with secondary venting, it maintains a constant output pressure even under fluctuating conditions and is compatible with compressed air and inert gases.

Key Features

  • Piloted piston regulator design
  • Output pressure constant with secondary venting
  • Rotary knob with detent actuator lock
  • Optional mounting position
  • Die-cast zinc housing and sub-base
  • Integrated pressure gauge
  • RoHS-compliant materials
  • Lubricated operation possible

High standard nominal flow rate of 11,500 l/min for demanding industrial pneumatic systems.

Technical Specification Matrix

ParameterValue
SizeMaxi
SeriesD
Actuator lockRotary knob with detent
Mounting positionoptional
DesignPiloted piston regulator
Controller functionOutput pressure constant With secondary venting
Symbol00991558
Pressure gauge (ANALOG) or Pressure display (DIGITAL)With pressure gauge
Operating pressure (MPa)0 MPa ... 1.6 MPa
Operating pressure (bar)0 bar ... 16 bar
Pressure regulation range0.5 bar ... 12 bar
Max. pressure hysteresis (MPa)0.04 MPa
Max. pressure hysteresis (bar)0.4 bar
Max. pressure hysteresis (psi)5.8 psi
Standard nominal flow rate (standardised to DIN 1343)11500 l/min
Operating mediumCompressed air to ISO 8573-1:2010 [7:4:4] Inert gases
Note on operating and pilot mediumLubricated operation possible (in which case lubricated operation will always be required)
LABS (PWIS) conformityVDMA24364-B1/B2-L
Air purity class at outputCompressed air to ISO 8573-1:2010 [7:4:4] Inert gases
Media temperature-10 °C ... 60 °C
Ambient temperature-10 °C ... 60 °C
Product weight800 g
Type of mountingWith accessories
Pneumatic connection, port 1G1
Pneumatic connection, port 2G1
Note on materialsRoHS-compliant
Material sub-baseDie-cast zinc
Material sealsNBR
Material housingDie-cast zinc

Industrial Applications

1. Plant-Wide Main Air Supply Regulation

Utilized as the primary pressure regulator at the branch-off point for a high-volume automotive assembly line. It steps down compressor main line pressure from 15 bar to a stable 8 bar for downstream pneumatic tools and automation equipment.

Problem Solved

Prevents pressure drops and tool starvation when multiple high-consumption pneumatic devices operate simultaneously. The massive 11500 l/min standard nominal flow rate and large G1 ports eliminate the pneumatic bottleneck typically caused by standard-sized regulators.

11500 l/min standard nominal flow rate0 bar ... 16 bar operating pressureG1 pneumatic connectionPiloted piston regulator

2. High-Speed Heavy-Duty Metal Stamping Press Control

Integrated into the pneumatic control circuit of a large-scale metal stamping press. The regulator supplies continuous, high-volume compressed air to large-bore pneumatic cylinders and manages excess backpressure during the rapid return stroke.

Problem Solved

Solves sluggish cylinder actuation and protects downstream components from overpressure. The controller's secondary venting function safely exhausts reverse pressure spikes, while the 0.4 bar maximum hysteresis ensures highly consistent pressing force across repetitive cycles.

Output pressure constant With secondary venting0.4 bar max pressure hysteresis0.5 bar ... 12 bar pressure regulation rangeMaxi size

3. Centralized High-Flow Nitrogen Blanketing System

Deployed in a chemical processing facility to regulate the distribution of inert nitrogen gas to multiple large-scale chemical reactors, maintaining a constant inert atmosphere to prevent oxidation.

Problem Solved

Standard regulators often fail to deliver sufficient volume during simultaneous multi-tank purging operations. This unit natively supports inert gases, tolerates media up to 60 degrees Celsius, and features a robust die-cast zinc housing that withstands industrial environments while delivering uninterrupted high-capacity flow.

Inert gases compatibilityMedia temperature -10 °C ... 60 °CMaterial housing Die-cast zincMaterial seals NBR

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