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| Type code | VFOC |
| Valve function | Supply air flow control non-return function |
| Pneumatic connection 1 | QS-4 |
| Pneumatic connection 2 | Push-in sleeve QS-4 |
| Actuation type | Manual |
| Adjusting element | Slotted screw |
| Type of mounting | Plug-in With push-in sleeve |
| Standard nominal flow rate in flow control direction | 0 l/min ... 100 l/min |
| Standard nominal flow rate in non-return direction | 60 l/min ... 100 l/min |
| Operating pressure | 0.2 bar ... 10 bar |
| Ambient temperature | -10 °C ... 60 °C |
| Mounting position | Any |
| Symbol | 00991453 |
| Standard flow rate in flow control direction 6 -> 0 bar | 0 l/min ... 170 l/min |
| Standard flow rate in non-return direction at 6 -> 0 bar | 130 l/min ... 160 l/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) |
| Storage temperature | -10 °C ... 40 °C |
| Temperature of medium | -10 °C ... 60 °C |
| Product weight | 9.2 g |
| Note on the pneumatic connection 2 | Only suitable for Festo QS connections |
| Note on materials | RoHS-compliant |
| Seals material | NBR |
| Hollow bolt material | Wrought aluminum alloy Anodized Black |
| Releasing ring material | POM |
| Material of adjusting screw | High-alloy stainless steel |
| Swivel joint material | Die-cast zinc |
