GRLA-1/8-QS-3-RS-D – One-Way Flow Control Valve – Festo Flow Control Valves

USD $ 15.96 USD $ 13.09

SKU: Festo 197579

Manufacturer Part Number: Festo 197579
Festo Flow Control Valves: GRLA-1/8-QS-3-RS-D
OEM Spec Ref 

The Festo GRLA-1/8-QS-3-RS-D, with MPN 197579, is a premium Flow Control Valve expertly engineered to regulate air flow in pneumatic systems effectively. This valve is specifically designed to enhance the control and stability of air flow, making it indispensable for various industrial applications where precision is key.

Key Features:

  • Precise Flow Regulation: Crafted to offer meticulous control over the flow of air, this valve enables the adjustment of air flow to meet specific operational needs, ensuring optimal performance.
  • Robust Construction: Made from high-quality materials, the GRLA-1/8-QS-3-RS-D is built to endure the demanding conditions of industrial environments, providing reliability and durability.
  • Compact and Flexible Design: Its compact configuration facilitates easy installation in tight spaces without compromising its efficiency and effectiveness.
  • User-friendly Adjustment: Features a simple, intuitive mechanism for adjusting air flow, allowing for quick and accurate settings to maintain desired conditions.
  • Versatile Compatibility: Compatible with a broad array of pneumatic systems, it integrates effortlessly into existing setups, providing extensive adaptability in system design.


  • Enhanced System Control: By enabling precise management of air flow, it contributes significantly to the control and reliability of pneumatic processes, boosting overall system performance.
  • Reduced Operational Costs: Optimizing air flow helps minimize energy consumption and operational expenses, resulting in considerable cost savings over time.
  • Extended Equipment Life: Accurate flow control prevents excessive wear and tear on pneumatic components, thereby extending their service life and reducing maintenance requirements.
  • Improved Safety: Reliable and consistent flow control ensures safer operation of pneumatic systems, adhering to rigorous safety standards.


  • Automation Systems: Crucial for maintaining exact air flow in automated machinery, ensuring efficient and reliable operations.
  • Control Systems: Integral to control systems requiring stable and precise air flow for optimal functionality.
  • Testing and Inspection: Perfect for use in environments where consistent air flow is essential for accurate testing and inspection processes.
  • General Pneumatics: Applicable across a wide range of pneumatic applications in various industries, improving operational accuracy and reliability.

The Festo GRLA-1/8-QS-3-RS-D Flow Control Valve stands as a testament to Festo’s commitment to innovation and excellence in pneumatic technology, offering a refined solution for managing air flow and enhancing the efficiency of industrial processes.

Technical Data

Feature Specification
Valve function Exhaust air flow control non-return function
Pneumatic connection 1 QS-3
Pneumatic connection 2 G1/8
Adjusting element Knurled screw
Type of mounting Screw-in
Standard nominal flow rate in flow control direction 130 l/min
Standard nominal flow rate in non-return direction 100 l/min … 130 l/min
Operating pressure 0.2 bar … 10 bar
Ambient temperature -10 °C … 60 °C
Maritime classification See certificate
Mounting position Any
Symbol 00991452
Operating pressure for entire temperature range 0.2 bar … 10 bar
Standard flow rate in flow control direction 6 -> 0 bar 180 l/min
Standard flow rate in non-return direction at 6 -> 0 bar 200 l/min … 220 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 3 Nm
Product weight 23 g
Material of screwed plug Wrought aluminum alloy
Note on materials RoHS-compliant
Seals material NBR
Releasing ring material POM
Material of adjusting screw High-alloy stainless steel
Swivel joint material Die-cast zinc
Weight 0.023 kg