Product Model
hgl-1/4-qs-8
Key Features
- 1The Festo HGL-1/4-QS-8 piloted check valve ensures one-way flow control, preventing backflow and maintaining system integrity.
- 2Equipped with a G1/8 pilot air port, this valve offers precise control over pneumatic actuation, making it suitable for a wide range of industrial applications.
- 3The valve features a screw-in mounting type with a male thread G1/4, providing easy installation and secure connection.
- 4Operating within a pressure range of 0.05 to 10 MPA, this valve is designed to handle various operating conditions, ensuring reliable performance.
- 5Made from high-quality materials including NBR seals, wrought aluminum alloy, and anodized hollow bolts, the Festo HGL-1/4-QS-8 is built to last and meet stringent cleanroom standards (Class 4 according to ISO 14644-1).
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | Unlockable non-return function | Pneumatic connection 1 | QS-8 |
| Pneumatic connection 2 | G? | Pilot air port 21 | G1/8 |
| Actuation type | Pneumatic | Type of mounting | Screw-in With external thread |
| Operating pressure | 0.5bar 10bar | Pilot pressure MPa | 0.2MPa 1MPa |
| Pilot pressure | 2bar 10bar | Pilot pressure psi | 29psi 145psi |
| Ambient temperature | -10°C 60°C | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
| Maritime classification | See certificate | Mounting position | Any |
| Symbol | 00991456 | Standard flow rate 1->2 (6-0) | 640l/min |
| Standard nominal flow rate 1->2 (6-5) | 390l/min | Information on operating and pilot media | Operation with oil lubrication possible (required for further use) |
| 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 |
| Temperature of medium | -10°C 60°C | Pilot medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
| Nominal tightening torque | 11Nm | Tolerance for nominal tightening torque | ± 10% |
| Product weight | 38.7g | Note on materials | RoHS-compliant |
| Seals material | NBR | Hollow bolt material | Wrought aluminum alloy Anodized |
| Releasing ring material | POM | Non-return collar material | NBR |
| Swivel joint material | Die-cast zinc | Manufacturer ID | 530041 |
Specifications may be subject to change without notice