Pneumatic valve, VL Series
Brand :
FESTO
Caution
Product Description
Pneumatic valve, VL Series
Specifications
| Pneumatic connection | G1/8 | G1/4 | G1/2 |
|---|---|---|---|
| Valve function | 5/2-way, monostable | ||
| Design | Poppet seat | ||
| Overlap | Negative overlap | ||
| Sealing principle | Soft | ||
| Actuation type | Pneumatic | ||
| Reset method | Mechanical spring | ||
| Type of control | Direct | ||
| Pilot air supply | External | ||
| Flow direction | Not reversible | ||
| Manual override | None | ||
| Exhaust function | Can be throttled | ||
| Type of mounting | Via through-hole or on manifold rail/manifold block | ||
| Mounting position | Any | ||
| Port for venting hole | M5 (only ATEX types) | ||
| Pilot air connection 14 | G1/8 | G1/8 | G1/4 |
| b value | - | - | 0.32 |
| c value [l/sbar] | - | - | 17.65 |
| Nominal width [mm] | 5 | 7 | 14 |
| Standard nominal flow rate [l/min] | 500 | 800 | 3700 |
| Product weight [g] | 220 | 220 | 1070 |
Safety Data
| Type | G1/8 | G1/4 | G1/2 |
|---|---|---|---|
| Max. switching frequency [Hz] | 12 | - | - |
| Max. positive test pulse with 0 signal [ìs] | 2200 | ||
| Max. negative test pulse with 1 signal [ìs] | 3700 | ||
Operating and environmental conditions
| Pneumatic connection | G1/8 | G1/4 | G1/2 |
|---|---|---|---|
| Operating medium | Compressed air to ISO 85731:2010 [7:4:4] | ||
| Pilot medium | Compressed air to ISO 85731:2010 [7:4:4] | ||
| Note on operating/pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Operating pressure [bar] | 0 to 10 | 0 to 8 | 0 to 10 |
| Ambient temperature [℃] | -10 to +60 | ||
| Temperature of medium [℃] | -10 to +60 | ||
| Storage temperature [℃] | -20 to +60 | ||
| Note on materials | RoHS-compliant | ||
| Corrosion resistance class CRC | 1 | ||