gr-qb-3/8-u
Product ID:9811
Updated: 2026/4/3
Key Features
- 1Prevent backflow to maintain system pressure and prevent contamination. 2、Manually adjust the flow rate easily without complex electrical controls. 3、Connect seamlessly to standard 3/8-inch pneumatic systems. 4、Rely on Festo's quality for stable performance in demanding applications. 5、Ensure efficient operation and reduce pressure drop risks.
Technical Specifications
Detailed engineering parameters
| 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