The Festo GR-QB-1/4-U one-way flow control valve is designed to manage air flow precisely in pneumatic systems, ensuring reliable and efficient operation.
Product Modelgr-qb-1/4-u
Material Number534682
Product ID10310
Stock on Request
Last updated: 8/29/2026
Key Features
1
Precise Flow ControlThe GR-QB-1/4-U valve provides precise control over airflow, allowing for consistent and reliable operation in various pneumatic applications.
2
Compact DesignWith its compact size, this valve is ideal for use in space-constrained environments, making it perfect for a wide range of industrial applications.
3
High-Quality MaterialsConstructed from high-quality materials, including brass for the screwed plug, this valve ensures durability and long-lasting performance.
4
Easy AdjustmentThe slotted head screw allows for easy adjustment of the valve, making it simple to fine-tune airflow settings according to specific application requirements.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Valve function
Flow control non-return function
Pneumatic connection 1
QB-1/4
Pneumatic connection 2
QB-1/4
Actuation type
Manual
Adjusting element
Slotted screw
Type of mounting
Optionally: Line installation With through-hole
Reliable OperationDesigned for reliable operation, the GR-QB-1/4-U valve is suitable for use in demanding industrial environments, ensuring consistent performance over time.
Standard nominal flow rate in flow control direction
597.46l/min
Standard nominal flow rate in non-return direction
635.593l/min 699.153l/min
Operating pressure
-0.951bar 7.998bar
Ambient temperature
0°C 60°C
Housing material
PBT-reinforced
Mounting position
Any
Symbol
00991453
Standard flow rate in flow control direction 6 -> 0 bar
991.5l/min
Standard flow rate in non-return direction at 6 -> 0 bar
1347.458l/min 1360.169l/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 zone III
Temperature of medium
0°C 60°C
Product weight
28.35g
Material of screwed plug
Brass Nickel-plated
Note on materials
RoHS-compliant
Seals material
NBR
Releasing ring material
POM
Knurled head material
Brass Nickel-plated
Material of adjusting screw
Brass Nickel-plated
Manufacturer ID
534682
One-way Flow Control Valve GR-QB-1/4-U by Festo - Precise Air Flow Management | INDSLT
