vfof-ce-bah-q4-q4
Product ID:133
Updated: 2026/4/3
Key Features
- 1Deliver high flow rates for demanding pneumatic applications. 2、Integrate easily with a compact, space-saving design. 3、Rotate 360° horizontally for flexible installation. 4、Combine flow control with a piloted check valve. 5、Operate conveniently from the side.
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 | QS-4 |
| Actuation type | Manual | Pilot air port 21 | QS-4 |
| Standard nominal flow rate in flow control direction | 120l/min | Standard nominal flow rate in non-return direction | 210l/min |
| Operating pressure | 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 | Operating pressure for entire temperature range | 0.2bar 10bar |
| Standard flow rate in flow control direction 6 -> 0 bar | 200l/min | Standard flow rate in non-return direction at 6 -> 0 bar | 210l/min |
| Standard flow rate in non-return direction at 6 -> 0 bar unactuated | 210l/min | Standard nominal flow rate in non-return direction actuated | 125l/min |
| Standard nominal flow rate in non-return direction, unactuated | 115l/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 | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Storage temperature | -20°C 70°C | Temperature of medium | -10°C 60°C |
| Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Permissible actuation moment, adjusting screw | 1Nm |
| Product weight | 25.1g | Covering material | ES-BE |
| Note on materials | RoHS-compliant | Cover material | PBT |
| Seals material | NBR | Sleeve material | Wrought aluminum alloy |
| Releasing ring material | POM | Material of adjusting screw | Brass |
| Manufacturer ID | 8193268 |
Specifications may be subject to change without notice