Festo's GR-QB-3/8-U one-way flow control valve offers precise pneumatic control with a non-return function, making it suitable for various industrial applications.
Product Modelgr-qb-3/8-u
Material Number534684
Product ID10312
Stock on Request
Last updated: 8/29/2026
Key Features
1
Precise ControlThe GR-QB-3/8-U valve provides precise control over pneumatic flow, ensuring consistent performance in your industrial processes.
2
Non-Return FunctionEquipped with a non-return function, this valve prevents backflow, maintaining the integrity of your pneumatic system and preventing potential damage.
3
Manual ActuationThe valve features manual actuation, allowing for easy operation and adjustment without the need for complex automation systems.
4
Durable ConstructionBuilt with high-quality materials, the GR-QB-3/8-U valve is designed to withstand the demands of industrial environments, ensuring long-lasting performance.
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-3/8
Pneumatic connection 2
QB-3/8
Actuation type
Manual
Adjusting element
Slotted screw
Type of mounting
Optionally: Line installation With through-hole
Versatile ApplicationsSuitable for a wide range of industrial applications, including manufacturing, automation, and more, this valve offers flexibility and reliability in various settings.
Standard nominal flow rate in flow control direction
1449.15l/min
Standard nominal flow rate in non-return direction
1029.661l/min 1487.288l/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
2415.3l/min
Standard flow rate in non-return direction at 6 -> 0 bar
2605.932l/min 2771.186l/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
76.545g
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
534684
One-way Flow Control Valve GR-QB-3/8-U by Festo - Reliable Pneumatic Control | INDSLT