LR-1-D-7-MAXI-MPA Festo Pressure Regulator

USD 163.93

Piloted piston regulator with secondary venting and 12,500 l/min flow. Supports 0.5–7 bar range, 0.4 bar hysteresis, and G1 pneumatic connections.

SKU Festo-8002295 Category
Compressed air preparation

LR-1-D-7-MAXI-MPA Festo Pressure regulator

Model Identifier LR-1-D-7-MAXI-MPA
Official Part Number 8002295
GTIN Standard 4052568423810

Technical Overview

The LR-1-D-7-MAXI-MPA is a high-performance piloted piston-type pressure regulator from Festo's classic D series. Engineered for robust compressed air preparation, this Maxi size unit maintains a constant output pressure with integrated secondary venting. It features a rotary knob with a detent for secure locking and is designed for high-flow applications, supporting up to 12,500 l/min. Constructed with a die-cast zinc housing and NBR seals, it provides reliable pressure regulation between 0.5 and 7 bar.

Key Features

  • Piloted piston regulator design
  • Output pressure constant with secondary venting
  • Rotary knob with detent actuator lock
  • Optional mounting position
  • Moderate corrosion stress resistance (CRC 2)
  • RoHS-compliant materials
  • VDMA24364-B1/B2-L LABS (PWIS) conformity

High-capacity standard nominal flow rate of 12,500 l/min

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 ... 7 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)12500 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)
Corrosion resistance class CRC2 - Moderate corrosion stress
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 weight1200 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. Factory Floor Branch Air Line Regulation for Automated Assembly

Operating as the primary branch regulator in automotive manufacturing facilities, this device steps down the high-pressure main shop air supply down to a consistent working pressure, feeding multiple downstream robotic welding and pneumatic assembly stations.

Problem Solved

Prevents pressure starvation and erratic pneumatic actuator behavior across the assembly line when multiple downstream automated stations draw high volumes of air simultaneously.

12500 l/min standard nominal flow ratePiloted piston regulator16 bar max operating pressureMaxi size

2. Main Feed Pressure Control for Heavy-Duty Pneumatic Presses

Regulates the main air supply to large-bore pneumatic cylinders used in metal stamping and forming presses. It delivers massive burst flows during the power stroke and handles exhaust back-pressures effectively during rapid cycle returns.

Problem Solved

Solves air starvation during high-speed, high-force mechanical actuation and actively mitigates destructive pressure spikes caused by sudden load reversals via rapid exhaustion.

Output pressure constant With secondary venting0.5 bar ... 7 bar pressure regulation rangeG1 pneumatic connection0.04 MPa max pressure hysteresis

3. Bulk Air Supply for Automated Palletizing and Vacuum Gripper Arrays

Feeds stable, high-volume compressed air to an array of heavy-duty vacuum ejectors and large pneumatic actuators on end-of-line packaging robots. It ensures the vacuum generators maintain optimal suction pressure to securely lift heavy payloads without starving the robot arm's pneumatic movement cylinders.

Problem Solved

Eliminates dropped payloads and machine faults by ensuring that the extremely high instantaneous air demands of parallel vacuum generators do not deplete the localized line pressure.

12500 l/min standard nominal flow rateDie-cast zinc material housingNBR seals-10 °C ... 60 °C ambient temperature

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