vfof-le-bah-g18-q4
Product ID:132
Updated: 2026/4/3

Key Features
- 1Deliver flow rates up to 260 L/min for efficient air management. 2、Rotate the compact valve 360° for easy integration. 3、Combine flow control with check valve functionality. 4、Operate reliably from -10 to 60°C in various conditions. 5、Construct with corrosion-resistant aluminum and PA materials.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | Exhaust air flow control non-return function | Selection of additional function | Piloted check valve |
| Pneumatic connection 1 | QS-4 | Pneumatic connection 2 | G1/8 |
| Actuation type | Manual | Pilot air port 21 | QS-4 |
| Adjusting element | Internal hexagon | Type of mounting | Screw-in |
| Standard nominal flow rate in flow control direction | 240l/min | Standard nominal flow rate in non-return direction | 120l/min 220l/min |
| Operating pressure | 2.9psi 145psi | Pilot pressure MPa | 0.2MPa 1MPa |
| Pilot pressure | 2bar 10bar | Pilot pressure psi | 29psi 145psi |
| Ambient temperature | -10°C 60°C | Housing material | PBT |
| Explosion prevention and protection | Zone 2 (ATEX) Zone 22 (ATEX) | Mounting position | Any |
| Actuation type, piloted non-return function | Pneumatic | Manual exhaust function | Non-detenting |
| Symbol | 00991958 | Rotatability | 360 deg/continuous swiveling not permissible |
| Operating pressure for entire temperature range | 2.9psi 145psi | Standard flow rate in flow control direction 6 -> 0 bar | 420l/min |
| Standard flow rate in non-return direction at 6 -> 0 bar | 400l/min 460l/min | Standard flow rate in non-return direction at 6 -> 0 bar unactuated | 400l/min 460l/min |
| Standard nominal flow rate in non-return direction actuated | 150l/min 230l/min | Standard nominal flow rate in non-return direction, unactuated | 120l/min 220l/min |
| Switching time off | 9ms | On switching time | 6ms |
| 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-B1/B2-L | Temperature of medium | -10°C 60°C |
| Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Nominal tightening torque | 3Nm |
| Tolerance for nominal tightening torque | ± 20% | Permissible actuation moment, adjusting screw | 1Nm |
| Product weight | 29.2g | Covering material | ES-BE |
| Note on materials | RoHS-compliant | Cover material | PBT |
| Seals material | NBR | Hollow bolt material | Wrought aluminum alloy |
| Sleeve material | Wrought aluminum alloy | Releasing ring material | POM |
| Material of adjusting screw | Brass | Manufacturer ID | 8193269 |
Specifications may be subject to change without notice
