MHE3-MS1H-3/2G-QS-6 – Air Solenoid Valve – Festo Directional Control Valves

USD $ 131.46 USD $ 107.80

SKU: Festo 525151

Manufacturer Part Number: Festo 525151
Festo Directional Control Valves: MHE3-MS1H-3/2G-QS-6
OEM Spec Ref 

The Festo MHE3-MS1H-3/2G-QS-6 Directional Control Valve, with MPN 525151, is an expertly engineered valve designed to control and manage the direction of airflow within pneumatic systems with exceptional precision and reliability. This advanced valve is tailored to meet the stringent demands of various industrial applications, ensuring optimal performance and enhanced operational efficiency.

Key Features:

  • Accurate Airflow Control: This valve provides precise control over airflow, ensuring reliable operation and the ability to maintain desired conditions within pneumatic systems.
  • High-Quality Construction: Built to withstand the rigors of industrial environments, the MHE3-MS1H-3/2G-QS-6 is made from durable materials, offering long-lasting performance and robustness.
  • Compact and Efficient Design: Its compact size enables easy installation in limited spaces, while still delivering the full functionality needed for complex industrial applications.
  • Simple Configuration: Features an easy-to-use interface for quick adjustments, allowing for rapid and accurate setting changes that enhance system calibration and functionality.
  • Versatile System Integration: Designed for universal compatibility, this valve can be seamlessly integrated into a wide array of pneumatic systems, increasing flexibility in system design.


  • Enhanced System Efficiency: By providing effective directional control of airflow, it contributes to the overall efficiency and reliability of pneumatic operations, enhancing system performance.
  • Reduced Operational Costs: The valve’s efficiency in managing airflow helps reduce energy consumption and operational costs, leading to significant savings.
  • Extended Component Lifespan: Proper management of airflow prevents excessive wear and tear on system components, extending their lifespan and reducing the need for frequent maintenance.
  • Improved Safety: Stable and reliable airflow control ensures safer operations of pneumatic systems, adhering to stringent safety standards.


  • Automated Manufacturing: Critical for automated production lines where precise air direction control is essential for maintaining high-quality production outcomes.
  • Pneumatic Control Systems: Plays a crucial role in systems that require stable and accurate airflow to ensure functionality and reliability.
  • Assembly Processes: Ideal for assembly operations where precise control and reliability are necessary for efficient and accurate assembly tasks.
  • General Industrial Use: Suitable for a broad range of applications in various industries, this valve enhances operational precision and reliability in numerous pneumatic systems.

The Festo MHE3-MS1H-3/2G-QS-6 Directional Control Valve stands as a testament to Festo’s dedication to advancing pneumatic technology, offering a sophisticated solution for efficiently managing airflow and optimizing the performance of industrial processes. This valve is a key component in enhancing the efficiency and safety of diverse industrial applications.

Technical Data

Feature Specification
Valve function 3/2, closed, monostable
Actuation type Electrical
Width 14 mm
Standard nominal flow rate 200 l/min
Pneumatic working port QS-6
Operating voltage 24V DC
Operating pressure -0.09 MPa … 0.8 MPa
Operating pressure -0.9 bar … 8 bar
Structural design Pressure-relieved poppet valve
Reset method Mechanical spring
Degree of protection IP65
Certification RCM compliance mark
c UL us – Recognized (OL)
CE marking (see declaration of conformity) As per EU EMC directive
As per EU RoHS directive
UKCA marking (see declaration of conformity) To UK instructions for EMC
To UK RoHS instructions
Nominal width 3 mm
Width dimension 19 mm
Note on grid dimension Minimum distance between the valves is 5 mm
Exhaust air function With flow control option
Sealing principle Soft
Mounting position Any
Manual override Non-detenting
Type of control Direct
Flow direction Reversible with restrictions
Symbol 00991308
Lap Underlap
Reverse polarity protection Bipolar
Additional functions Spark suppression
Holding current reduction
Protective circuit
Operating pressure, reversible -0.09 MPa … 0.1 MPa
Operating pressure, reversible -0.9 bar … 1 bar
Operating pressure, reversible -13.05 psi … 14.5 psi
Max. switching frequency 280 Hz
Switching time off 2.8 ms
On switching time 2.3 ms
Tolerance for switching time off +10 %/-50 %
Tolerance for ON switching time +10%/-30%
Switching time variation 0.2 ms
Duty cycle 100%
Coil characteristics 24 V DC: low-current phase 1.6 W, high-current phase 6.5 W
Permissible voltage fluctuations +/- 10 %
Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4]
Information on operating and pilot media Operation with oil lubrication possible (required for further use)
Vibration resistance Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6
Restricted ambient and media temperature Depending on the switching frequency (see diagram)
Shock resistance Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27
Corrosion resistance class (CRC) 2 – Moderate corrosion stress
LABS (PWIS) conformity VDMA24364-B1/B2-L
Cleanroom class Class 6 according to ISO 14644-1
Temperature of medium -5 °C … 60 °C
Ambient temperature -5 °C … 60 °C
Product weight 120 g
Electrical connection 2-pin
Type of mounting With through-hole
Pneumatic connection 1 QS-6
Pneumatic connection 2 QS-6
Pneumatic connection 3 QS-6
Note on materials RoHS-compliant
Seals material HNBR
Housing material Die-cast metal, coated
Material of screws Steel, galvanized
Weight 0.120 kg