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- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Check valve, VFOF Series
Check valve, VFOF Series
Features
Specifications
| Valve function | Exhaust air one-way flow control function | |||
|---|---|---|---|---|
| Pneumatic connection 2 | G 1/8 | G 1/4 | ||
| Pneumatic connection 1 | QS-6 | QS-8 | ||
| Pilot air connection 21 | QS-6 | QS-8 | ||
| Adjusting element | Internal hex | |||
| Actuation type | Manual | |||
| Type of actuation, piloted non-return function | Pneumatic | |||
| Manual exhaust function | Non-detenting | |||
| Type of mounting | Screw-in | |||
| Mounting position | Any | |||
| Switching time | Off [ms] | 9 | 11 | |
| On [ms] | 6 | 8 | ||
| Nominal tightening torque [Nm] | 3 ±20% | 11 ±20% | ||
| Perm. actuation torque for regulating screw [Nm] | 1 | |||
| Rotatability [°] | 360 (continuous rotation not permitted) | |||
Operating and environmental conditions
| Operating pressure [bar] | 0.2 to 10 | |
|---|---|---|
| Pilot pressure [bar] | 2 to 10 | |
| Operating/pilot medium | Compressed air according to ISO 85731:2010 [7:4:4] | |
| Note on operating/pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | |
| Ambient temperature [℃] | -10 to +60 | |
| Temperature of medium [℃] | -10 to +60 | |
| Storage temperature [℃] | -20 to +70 | |
| Corrosion resistance class CRC | 2 | |
| Part Number |
|---|
| VFOF-LE-BAH-G14-Q8 |
| VFOF-LE-BAH-G18-Q6 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Pneumatic connection 1 | Pneumatic connection 2 | Pilot air port 21 | Standard nominal flow rate in flow control direction (l/min) | Standard nominal flow rate in non-return direction (l/min) | Standard flow rate in flow control direction 6 -> 0 bar (l/min) | Standard flow rate in non-return direction at 6 -> 0 bar (l/min) | Nominal tightening torque (Nm) | Manufacturer part # | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SGD 177.95 | 1 Piece(s) | Quote | QS-8 | G1/4 | QS-8 | 590 | 310-540 | 940 | 830-1000 | 11 | 1927030 | 73.9 | ||
SGD 154.80 | 1 Piece(s) | Quote | QS-6 | G1/8 | QS-6 | 240 | 120-220 | 420 | 400-460 | 3 | 8001459 | 28.6 |
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Basic Information
| Housing material | PBT | Seals material | NBR | Material of screws | Brass |
|---|---|---|---|---|---|
| Hollow bolt material | Wrought aluminum alloy | Adjusting element | Internal hexagon | Min. Operating pressure(bar) | 0.2 |
| Max. Operating pressure(bar) | 10 | Min. Pilot pressure(bar) | 2 | Max. Pilot pressure(bar) | 10 |
| Min. Ambient temperature(°C) | -10 | Max. Ambient temperature(°C) | 60 | Min. Temperature of medium(°C) | -10 |
| Max. Temperature of medium(°C) | 60 | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] | Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Specification/Dimensions
-
Pneumatic connection 1
-
Pneumatic connection 2
- G1/4
- G1/8
-
Pilot air port 21
- QS-8
- QS-6
-
Standard nominal flow rate in flow control direction(l/min)
-
Standard nominal flow rate in non-return direction(l/min)
-
Standard flow rate in flow control direction 6 -> 0 bar(l/min)
-
Standard flow rate in non-return direction at 6 -> 0 bar(l/min)
-
Nominal tightening torque(Nm)
- 3
- 11
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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