Festo HGL-3/8-QS-8
Check valve
Festo HGL
| Valve function | Piloted non-return function |
| Pneumatic connection, port 1 | QS-8 |
| Pneumatic connection, port 2 | G3/8 |
| Operating pressure | 0.5 bar - 10 bar |
- Overview +
- Comments +
The HGL-3/8-QS-8 check valve from Festo is designed for precise control of airflow direction in pneumatic systems. Featuring 3/8-inch ports and a QS-8 connection, it ensures that air flows in only one direction, preventing backflow. This valve is constructed from high-quality materials, providing excellent durability and resistance to wear in harsh environments. Its robust design allows for easy integration into various industrial applications, such as automation and material handling.
Festo HGL Check valve.
HGL-3/8-QS-8 Datasheet:
| Valve function | Piloted non-return function |
| Pneumatic connection, port 1 | QS-8 |
| Pneumatic connection, port 2 | G3/8 |
| Pilot air port 21 | G1/4 |
| Type of actuation | Pneumatic |
| Type of mounting | Screw-inVia male thread |
| Operating pressure | 0.05 MPa ... 1 MPa |
| Operating pressure | 0.5 bar ... 10 bar |
| Pilot pressure | 0.1 MPa ... 1 MPa |
| Pilot pressure | 1 bar ... 10 bar |
| Pilot pressure | 14.5 psi ... 145 psi |
| Ambient temperature | -10 °C ... 60 °C |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Maritime classification | See certificate |
| Mounting position | optional |
| Symbol | 00991456 |
| Standard flow rate 1->2 (6-0) | 1200 l/min |
| Standard nominal flow rate 1->2 (6-5) | 830 l/min |
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
| Corrosion resistance class CRC | 2 - Moderate corrosion stress |
| LABS (PWIS) conformity | VDMA24364-B2-L |
| Cleanroom class | Class 4 according to ISO 14644-1 |
| Storage temperature | -10 °C ... 60 °C |
| Media temperature | -10 °C ... 60 °C |
| Pilot medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Nominal torque | 12.5 Nm |
| Tolerance for nominal tightening torque | ± 10% |
| Product weight | 54.7 g |
| Note on materials | RoHS-compliant |
| Material seals | NBR |
| Material hollow bolt | Wrought aluminium alloyAnodised |
| Material release ring | POM |
| Material non-return collar | NBR |
| Material swivel fitting | Die-cast zinc |
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