GRLZ-M5-QS-3-D – One-way Flow Control Valve – Festo Flow Control Valves

USD $ 14.70 USD $ 12.05

SKU: Festo 193153

Manufacturer Part Number: Festo 193153
Festo Flow Control Valves: GRLZ-M5-QS-3-D
OEM Spec Ref 

The Festo GRLZ-M5-QS-3-D, with MPN 193153, is an exceptional flow control valve meticulously engineered to optimize fluid dynamics within pneumatic systems. This valve is specifically designed to modulate air flow, ensuring precise control and efficient operation across a variety of industrial applications.

Key Features:

  • Precision Flow Regulation: Tailored to deliver precise control over air flow, this valve helps maintain optimal conditions within pneumatic systems, promoting superior performance.
  • Durable Construction: Built from robust materials, the GRLZ-M5-QS-3-D is capable of enduring the demanding conditions typical of industrial environments, ensuring long-lasting performance.
  • Compact and Functional Design: Its compact configuration enables easy integration into space-constrained setups without compromising functionality.
  • Simple Adjustment: Equipped with an intuitive adjustment mechanism, it allows for quick and accurate flow settings, facilitating seamless system calibration.
  • Versatile Compatibility: Designed to fit a broad range of pneumatic connections, this valve offers flexibility and ease of integration into existing systems.


  • Enhanced System Performance: By regulating air flow accurately, it contributes to the efficiency and reliability of pneumatic operations, improving overall system functionality.
  • Operational Cost Reduction: The valve aids in reducing energy consumption by optimizing flow control, which can significantly decrease operational expenses.
  • Extended Component Lifespan: Proper flow management minimizes wear on system components, prolonging their durability and reducing the need for frequent maintenance.
  • Increased Safety: Reliable and consistent flow control ensures safer operations, meeting rigorous safety standards.


  • Automated Production Lines: Indispensable in automated manufacturing settings, where precise flow control is crucial for maintaining high-quality production.
  • Control Systems: Vital in systems where stable and accurate air flow is necessary to ensure proper operation.
  • Testing and Inspection: Ideal for applications requiring consistent flow for precise testing and inspection tasks.
  • General Pneumatics: Applicable across a diverse range of pneumatic systems in various sectors, enhancing operational precision and reliability.

The Festo GRLZ-M5-QS-3-D flow control valve stands as a testament to Festo’s commitment to advancing pneumatic technology, offering a robust and precise solution for managing air flow and optimizing the performance of industrial processes.

Technical Data

Feature Specification
Valve function Supply air flow control non-return function
Pneumatic connection 1 QS-3
Pneumatic connection 2 M5
Adjusting element Slotted screw
Type of mounting Screw-in
Standard nominal flow rate in flow control direction 100 l/min
Standard nominal flow rate in non-return direction 60 l/min … 100 l/min
Ambient temperature -10 °C … 60 °C
Maritime classification See certificate
Mounting position Any
Symbol 00991453
Operating pressure for entire temperature range 0.2 bar … 10 bar
Standard flow rate in flow control direction 6 -> 0 bar 135 l/min
Standard flow rate in non-return direction at 6 -> 0 bar 130 l/min … 160 l/min
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)
LABS (PWIS) conformity VDMA24364-B1/B2-L
Cleanroom class Class 4 according to ISO 14644-1
Temperature of medium -10 °C … 60 °C
Nominal tightening torque 0.8 Nm
Tolerance for nominal tightening torque ± 10%
Product weight 13 g
Material of screwed plug Brass
Note on materials RoHS-compliant
Seals material NBR
Releasing ring material POM
Material of adjusting screw Brass
Swivel joint material Die-cast zinc
Weight 0.013 kg