GRLZ-1/8-QS-3-D – One-way Flow Control Valve – Festo Flow Control Valves

USD $ 14.70 USD $ 12.05

SKU: Festo 193156

Manufacturer Part Number: Festo 193156
Festo Flow Control Valves: GRLZ-1/8-QS-3-D
OEM Spec Ref 

The Festo GRLZ-1/8-QS-3-D, with MPN 193156, is an advanced Flow Control Valve meticulously engineered to regulate the flow of air in pneumatic systems with superior precision and reliability. Designed for versatility and performance, this valve is an essential component in a variety of industrial applications, offering controlled flow and enhanced operational dynamics.

Key Features:

  • Precision Flow Control: The valve is specifically designed to allow for precise adjustment of airflow, enabling users to manage system flow rates accurately to meet the demands of various applications.
  • Durable Construction: Made from robust materials, the GRLZ-1/8-QS-3-D ensures durability and resistance to wear under industrial conditions, guaranteeing long-term reliability.
  • Compact and Efficient Design: Its compact structure allows for easy installation in tight spaces, maximizing functionality without compromising performance.
  • Easy Integration: Equipped with QS push-in fittings for quick and secure connection, this valve facilitates hassle-free integration into existing pneumatic systems.
  • Universal Application: Suitable for a wide range of industrial uses, this valve maintains consistent performance across diverse operational environments.


  • Enhanced System Performance: By providing precise flow control, it improves the efficiency and reliability of pneumatic systems, ensuring optimal operational conditions.
  • Reduced Energy Consumption: Optimizing airflow contributes to lower energy usage and operational costs, making processes more economical and sustainable.
  • Extended Equipment Longevity: Precise control of airflow helps in reducing stress on system components, prolonging their lifespan and decreasing maintenance frequency.
  • Increased Safety: Stable and reliable airflow control enhances the safety of operations, meeting rigorous safety standards required in industrial settings.


  • Automation Systems: Critical in automated assembly lines to ensure consistent air flow for reliable machine operation.
  • Packaging Industry: Used in pneumatic packaging machinery to provide precise control over air-driven functions.
  • Material Handling: Ideal for pneumatic conveying systems where stable air flow is essential for the efficient transportation of materials.
  • General Pneumatics: Adaptable to a broad spectrum of pneumatic applications across various industries, improving precision and control.

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

Technical Data

Feature Specification
Valve function Supply air flow control non-return function
Pneumatic connection 1 QS-3
Pneumatic connection 2 G1/8
Adjusting element Slotted 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
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 at 6 -> 0 bar 200 l/min
Standard flow rate in non-return direction at 6 -> 0 bar 180 l/min … 200 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
Tolerance for nominal tightening torque ± 10%
Product weight 22 g
Material of screwed plug Wrought aluminum alloy
Note on materials RoHS-compliant
Seals material NBR
Releasing ring material POM
Material of adjusting screw Brass
Swivel joint material Die-cast zinc
Weight 0.022 kg