Festo GRLA-1/2-B
One-way flow control valve
Festo GRLA
| Valve function | Exhaust air one-way flow control function |
| Standard nominal flow rate in flow control direction | 2100 l/min |
| Pneumatic connection, port 1 | G1/2 |
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The GRLA-1/2-B one-way flow control valve from Festo is designed for precise regulation of airflow in pneumatic systems. Featuring 1/2-inch ports, it allows for controlled adjustment of flow rate in one direction while preventing backflow. This valve is constructed from high-quality materials, ensuring durability and resistance to wear and harsh conditions. Its robust design allows for easy integration into various industrial applications, such as automation and material handling. The GRLA-1/2-B flow control valve guarantees efficient and accurate performance, enhancing the overall functionality and reliability of pneumatic systems in demanding environments.
Festo GRLA One-way flow control valve.
GRLA-1/2-B Datasheet:
| Valve function | Exhaust air one-way flow control function |
| Pneumatic connection, port 1 | G1/2 |
| Pneumatic connection, port 2 | G1/2 |
| Adjustment component | Slotted head screw |
| Type of mounting | Screw-in |
| Standard nominal flow rate in flow control direction | 2100 l/min |
| Standard nominal flow rate in blocked direction | 1550 l/min ... 2200 l/min |
| Operating pressure | 0.3 bar ... 10 bar |
| Ambient temperature | -10 °C ... 60 °C |
| Maritime classification | See certificate |
| Explosion protection | The information in the certificate must be observed!Zone 1 (ATEX)Zone 2 (ATEX)Zone 21 (ATEX)Zone 22 (ATEX) |
| Mounting position | optional |
| Symbol | 00991452 |
| Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 4000 l/min |
| Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 2950 l/min ... 4190 l/min |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) |
| LABS (PWIS) conformity | VDMA24364-B1/B2-L |
| Cleanroom class | Class 4 according to ISO 14644-1 |
| Media temperature | -10 °C ... 60 °C |
| Max. tightening torque | 40 Nm |
| Product weight | 204 g |
| Note on materials | RoHS-compliant |
| Material seals | NBR |
| Material hollow bolt | Wrought aluminium alloy |
| Material adjusting screw | Brass |
| Material nut | Wrought aluminium alloy |
| Material swivel fitting | Die-cast zinc |
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