Festo MS4-LR-1/8-D6-VS-DM1 Pressure Regulator

USD 72.39

Directly actuated diaphragm pressure regulator featuring G1/8 ports, 40mm grid size, 0.3-7 bar output range, and 1150 l/min flow for precise pneumatic control.

SKU Festo-564918 Category
Pneumatics > Air Preparation > Pressure Regulators

Festo MS4-LR-1/8-D6-VS-DM1 Pressure Regulator

Model Identifier MS4-LR-1/8-D6-VS-DM1
Official Part Number 564918
GTIN Standard 4052568367282

Technical Overview

The Festo 564918 (MS4-LR-1/8-D6-VS-DM1) is a high-performance, directly actuated diaphragm pressure regulator belonging to the MS series of air preparation units. Housed in a modular 40 mm grid design with G1/8 female threaded connections, it regulates compressed air supply with high precision. It operates at supply pressures up to 14 bar, providing a stable, constant output pressure adjustable between 0.3 and 7 bar. Offering a standard nominal flow rate of 1150 l/min, it includes built-in secondary venting and return flow functions. The unit utilizes a secure rotary knob with a detent actuator lock and is built with a rugged die-cast aluminum housing, delivering reliable performance across industrial automation and pneumatic motion control applications.

Key Features

  • Directly actuated diaphragm regulator architecture for highly precise pneumatic control
  • Compact 40 mm grid size (Size 4) enabling flexible and modular air preparation assemblies
  • Delivers a substantial standard nominal flow rate of up to 1150 l/min
  • Configurable pressure regulation range from 0.3 to 7 bar with a maximum supply of 14 bar
  • Equipped with a detent-locking rotary knob to prevent unintended pressure adjustments
  • Built-in return flow function and secondary exhausting capabilities
  • Durable die-cast aluminum sub-base offering CRC 2 moderate corrosion resistance

Maintains constant output pressure with integrated secondary venting and primary pressure compensation.

Technical Specification Matrix

ParameterValue
Pneumatic ConnectionG1/8 Female Thread
Pressure Regulation Range0.3 to 7 bar
Operating Pressure0.8 to 14 bar
Standard Nominal Flow Rate1150 l/min
Grid Dimension (Size)40 mm (Size 4)
Design StructureDirectly Actuated Diaphragm Regulator
Actuator LockRotary Knob with Detent
Ambient Temperature Range-10°C to +60°C
Housing MaterialDie-cast Aluminum
Corrosion Resistance Class (CRC)2 (Moderate Corrosion Stress)

Industrial Applications

1. Automated Packaging Lines

Supplies stable, regulated pneumatic pressure to air cylinders, actuators, and grippers in high-speed packaging machinery.

Problem Solved

Eliminates upstream supply pressure fluctuations that can cause inconsistent cylinder strokes, ensuring repeatable sealing, forming, and sorting operations.

1150 l/min Flow RateConstant Output PressureDiaphragm RegulatorPneumatic Cylinders

2. Industrial Assembly Tooling Stations

Functions as a point-of-use pressure regulator to precisely govern air supply to torque tools and pneumatic clamping fixtures.

Problem Solved

Protects delicate pneumatic instruments from overpressure scenarios while utilizing secondary venting to safely exhaust excess system pressure when adjustments are made.

Secondary Venting0.3-7 Bar RegulationG1/8 ConnectionDetent Locking Knob

3. Pneumatic Conveyor Diverter Systems

Maintains exact air pressure thresholds for directional valves and mechanical diverter arms on material handling conveyors.

Problem Solved

Guarantees rapid response times and consistent mechanical force from pneumatic diverters by stabilizing variable plant compressor air via primary pressure compensation.

Primary Pressure Compensation14 Bar Supply MaxReturn Flow FunctionAir Preparation

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