Product Model

gr-qb-3/8-u

In Stock
Last updated: 2025/4/17
Festo gr-qb-3/8-u

Selling Points

  • 1The Festo GR-QB-3/8-U is a one-way flow control valve designed to prevent backflow, ensuring that air or gas flows in one direction only, which is crucial for maintaining system pressure and preventing contamination.
  • 2This valve features a manual actuation type, allowing for easy operation and adjustment without the need for complex electrical controls. Its manual adjusting element ensures precise control over the flow rate.
  • 3The GR-QB-3/8-U is compatible with pneumatic connections of -3/8 inches, making it versatile for various industrial applications where precise flow control is required.
  • 4Festo's commitment to quality and reliability is evident in the GR-QB-3/8-U, which is part of their extensive range of pneumatic valves and valve manifolds designed to meet the needs of diverse industrial processes.
  • 5The valve's non-return function ensures that the system remains stable and efficient, reducing the risk of pressure drops and maintaining consistent performance in demanding applications.
Product Details
gr-qb-3/8-u
Festo

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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
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

Specifications may be subject to change without notice