Product Model
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.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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 |
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