Festo GRLZ-1/4-B
One-way flow control valve
Festo GRLZ
| Valve function | Supply air one-way flow control function |
| Standard nominal flow rate in flow control direction | 610 l/min |
| Pneumatic connection, port 1 | Female thread G1/4 |
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The GRLZ-1/4-B one-way flow control valve from Festo is designed for precise regulation of airflow in pneumatic systems. Featuring 1/4-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 compact and robust design allows for easy integration into various industrial applications, such as automation and material handling.
Festo GRLZ One-way flow control valve.
GRLZ-1/4-B Datasheet:
| Valve function | Supply air one-way flow control function |
| Pneumatic connection, port 1 | Female thread G1/4 |
| Pneumatic connection, port 2 | Male thread G1/4 |
| Adjustment component | Slotted head screw |
| Type of mounting | Screw-in |
| Standard nominal flow rate in flow control direction | 610 l/min |
| Standard nominal flow rate in blocked direction | 450 l/min ... 820 l/min |
| Ambient temperature | -10 °C ... 60 °C |
| 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 | 00991453 |
| Operating pressure complete temperature range | 0.3 bar ... 10 bar |
| Standard flow rate in flow control direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 1200 l/min |
| Standard flow rate in non-return direction 0.6->0 MPa (6->0 bar, 87->0 psi) | 885 l/min ... 1615 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 |
| Nominal size | 6 mm |
| Max. tightening torque | 11 Nm |
| Product weight | 59 g |
| Material screwed plug | Wrought aluminium alloy |
| Note on materials | RoHS-compliant |
| Material seals | NBR |
| Material adjusting screw | Brass |
| Material swivel fitting | Die-cast zinc |
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