Check valve, H Series
Brand :
FESTO
Caution
Product Description
Check valve, H Series
Push-in connector QS
Features
Specifications
| Valve function | Non-return function | ||||||
|---|---|---|---|---|---|---|---|
| Pneumatic connection 1 | QS-4 | QS-6 | QS-8 | QS-10 | QS-12 | ||
| Pneumatic connection 2 | QS-4 | QS-6 | QS-8 | QS-10 | QS-12 | ||
| Type of mounting | In-line installation | ||||||
| Mounting position | Any | ||||||
Operating and environmental conditions
| Operating pressure | [bar] | -1 to +10 | |||||
|---|---|---|---|---|---|---|---|
| Minimal differ ential pressure | open | [bar] | ≥ 0.1 | ||||
| close | [bar] | ≥ 0.2 | |||||
| Operating medium | Compressed air in accordance with ISO 85731:2010 [7:-:-] | ||||||
| Note on operating/pilot medium | Operation with lubricated medium possible (in which case lubricated operation will always be required) | ||||||
| Ambient temperature [℃] | 0 to +60 | ||||||
Materials
| Pneumatic connection 1 | QS-4 | QS-6 | QS-8 | QS-10 | QS-12 | ||
|---|---|---|---|---|---|---|---|
| Housing | Anodised aluminium (colour: black) | Anodised aluminium (colour: silver) | |||||
| Note on materials | RoHS-compliant | ||||||
| Free of copper and PTFE | |||||||
Female/male thread
Features
Specifications
| Valve function | Non-return function | |||||
|---|---|---|---|---|---|---|
| Pneumatic connection 1 | M5 | G 1/8 | G 1/4 | G 3/8 | G 1/2 | G 3/4 |
| Pneumatic connection 2 | M5 | G 1/8 | G 1/4 | G 3/8 | G 1/2 | G 3/4 |
| Type of mounting | In-line installation | Screw-in | ||||
| Mounting position | Any | |||||
| Nominal tightening torque [Nm] | - | - | 11 ±10% | 12.5 ±20% | 14 ±20% | 35 ±10% |
Operating and environmental conditions
| Pneumatic connection 1 | M5 | G 1/8 | G 1/4 | G 3/8 | G 1/2 | G 3/4 |
|---|---|---|---|---|---|---|
| Operating pressure complete temperature range [bar] | 0.4 to 8 | 0.4 to 12 | ||||
| Operating medium | Compressed air in accordance with ISO 85731:2010 [7:-:-] | Compressed air in accordance with ISO 85731:2010 [7:4:4] | ||||
| Note on operating/pilot medium | Operation with lubricated medium possible (in which case lubricated operation will always be required) | |||||
| Ambient temperature [℃] | -10 to +60 | |||||
| Temperature of medium [℃] | -10 to +60 | |||||
| Storage temperature [℃] | - | -10 to +60 | ||||
| Corrosion resistance class CRC | - | 2 | ||||
Materials
| Pneumatic connection 1 | M5 | G 1/8 | G 1/4 | G 3/8 | G 1/2 | G 3/4 |
|---|---|---|---|---|---|---|
| Housing | Brass | Anodised wrought aluminium alloy | ||||
| Seals | NBR | |||||
| Note on materials | RoHS-compliant | - | RoHS-compliant | |||
| - | Free of copper and PTFE | |||||