Product Model
grla-3/4-b
Selling Points
- 1The GRLA-3/4-B one-way flow control valve by Festo is designed for precise exhaust air control, ensuring efficient operation in pneumatic systems.
- 2This valve features pneumatic connections of G3/4, allowing for easy integration into various pneumatic setups.
- 3The valve includes an adjusting element with a slotted head screw, providing easy and precise adjustments for optimal performance.
- 4The GRLA-3/4-B operates within a wide temperature range of -10 °C to 60 °C, making it suitable for diverse industrial environments.
- 5This valve is compliant with ATEX zones 1, 2, 21, and 22, ensuring safe operation in potentially explosive atmospheres.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Valve function | Exhaust air flow control non-return function | Pneumatic connection 1 | G3/4 |
Pneumatic connection 2 | G3/4 | Adjusting element | Slotted screw |
Type of mounting | Screw-in | Standard nominal flow rate in flow control direction | 4320l/min |
Standard nominal flow rate in non-return direction | 3220l/min 4320l/min | Ambient temperature | -10°C 60°C |
Maritime classification | See certificate | Explosion prevention and protection | Observe the information on the certificate Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) |
Mounting position | Any | Symbol | 00991452 |
Operating pressure for entire temperature range | 0.3bar 10bar | Standard flow rate in flow control direction 6 -> 0 bar | 7300l/min |
Standard flow rate in non-return direction at 6 -> 0 bar | 5440l/min 7300l/min | Operating medium | Compressed air as per ISO 8573-1:2010 [7:4:4] |
Information on operating and pilot media | Operation with oil lubrication possible (required for further use) | LABS (PWIS) conformity | VDMA24364-B1/B2-L |
Cleanroom class | Class 4 according to ISO 14644-1 | Temperature of medium | -10°C 60°C |
Max. tightening torque | 60Nm | Product weight | 377g |
Note on materials | RoHS-compliant | Seals material | NBR |
Hollow bolt material | Wrought aluminum alloy | Material of adjusting screw | Brass |
Nut material | Wrought aluminum alloy | Swivel joint material | Die-cast zinc |
Manufacturer ID | 151180 |
Specifications may be subject to change without notice