GR-QS-6 – One-way Flow Control Valve – Festo Flow Control Valves

USD $ 16.80 USD $ 13.78

SKU: Festo 193969

Manufacturer Part Number: Festo 193969
Festo Flow Control Valves: GR-QS-6
OEM Spec Ref 

The Festo GR-QS-6, with MPN 193969, is an advanced Flow Control Valve designed to enhance the precision and efficiency of airflow in pneumatic systems. Tailored for a variety of industrial applications, this valve allows for the meticulous adjustment of air flow, thereby optimizing operations and improving system performance.

Key Features:

  • Precise Airflow Management: The GR-QS-6 is engineered to provide exact control over airflow, which is crucial for maintaining the efficiency and reliability of pneumatic operations.
  • Durable Construction: Made with high-grade materials, this valve withstands the rigorous demands of industrial environments, ensuring longevity and consistent performance.
  • Compact and Functional Design: Its compact size enables easy integration into various systems, even where space is limited, without compromising on functionality.
  • User-Friendly Adjustment: Features a simple, intuitive mechanism for adjusting airflow, making system calibration quick and precise.
  • Versatile Compatibility: Designed to be compatible with a wide array of pneumatic systems, the GR-QS-6 integrates smoothly into existing setups, enhancing flexibility in system design.


  • Optimized System Performance: By facilitating precise control over airflow, it enhances the operational efficiency and reliability of pneumatic systems.
  • Reduced Energy Costs: Efficient management of airflow leads to lower energy consumption, thereby reducing operational costs.
  • Extended Equipment Life: Proper airflow regulation helps avoid unnecessary stress on system components, extending their lifespan and minimizing maintenance requirements.
  • Enhanced Safety: Stable and reliable airflow contributes to safer operations, adhering to strict industrial safety standards.


  • Automated Assembly Lines: Essential in maintaining precise airflow for automated processes, ensuring consistent production quality.
  • Pneumatic Control Systems: Plays a vital role in systems where accurate airflow is necessary for optimal functionality.
  • Testing and Calibration: Ideal for applications requiring stable airflow for accurate testing and calibration.
  • General Industrial Pneumatics: Suitable for a wide range of industrial applications, enhancing precision and reliability in various pneumatic tasks.

The Festo GR-QS-6 Flow Control Valve stands as a testament to Festo’s commitment to pioneering advanced pneumatic solutions, offering a reliable and efficient means to manage airflow in industrial environments.

Technical Data

Feature Specification
Valve function Flow control non-return function
Pneumatic connection 1 QS-6
Pneumatic connection 2 QS-6
Adjusting element Knurled screw
Type of mounting Optionally:
Front panel mounting
With through-hole
With accessories
Standard nominal flow rate in flow control direction 245 l/min
Standard nominal flow rate in non-return direction 430 l/min
Operating pressure 0.2 bar … 10 bar
Ambient temperature -10 °C … 60 °C
Housing material PA-reinforced
Explosion prevention and protection Observe the information on the certificate
Zone 1 (ATEX)
Zone 2 (ATEX)
Zone 21 (ATEX)
Zone 22 (ATEX)
Mounting position Any
Symbol 00991453
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
Temperature of medium -10 °C … 60 °C
Product weight 22 g
Note on materials RoHS-compliant
Seals material NBR
Releasing ring material POM
Knurled head material PA-reinforced
Material of adjusting screw High-alloy steel
Weight 0.022 kg