Product Model
vfof-le-bah-g18-q6
Selling Points
- 1Precise Flow Control: Regulates exhaust air flow with a standard nominal flow rate of 240 l/min.
- 2Robust Construction: Made from PBT housing and NBR seals, ensuring durability and reliability.
- 3Manual Actuation: Easy to operate with a manual pilot air port, providing precise control.
- 4Wide Pressure Range: Compatible with operating pressures from 0.2 to 10 bar.
- 5ATEX Zone 2 Compliance: Meets explosion protection standards for safe operation in hazardous environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | Exhaust air flow control non-return function | Selection of additional function | Piloted check valve |
Pneumatic connection 1 | QS-6 | Pneumatic connection 2 | G1/8 |
Actuation type | Manual | Pilot air port 21 | QS-6 |
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 | 6Nm |
Tolerance for nominal tightening torque | ± 20% | Permissible actuation moment, adjusting screw | 1Nm |
Product weight | 28.6g | 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 | 8001459 |
Specifications may be subject to change without notice