Product Model
grla-1/2-b

Selling Points
- 1The Festo GRLA-1/2-B one-way flow control valve offers a standard flow rate of 4000 l/min in the flow control direction, ensuring efficient pneumatic operation.
- 2This valve features a slotted head screw for easy adjustment and is designed with pneumatic connections (G1/2) for seamless integration into your system.
- 3The GRLA-1/2-B is compliant with RoHS regulations and uses high-quality materials like NBR seals, wrought aluminum alloy, and brass for durability and reliability.
- 4The valve operates within a wide temperature range of -10 °C to 60 °C and supports lubricated operation, ensuring optimal performance in various environments.
- 5The Festo GRLA-1/2-B is certified for use in cleanroom environments (Class 4 according to ISO 14644-1) and meets ATEX Zone 1, 2, and 21 classifications for explosion protection.
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 | G1/2 |
Pneumatic connection 2 | G1/2 | Adjusting element | Slotted screw |
Type of mounting | Screw-in | Standard nominal flow rate in flow control direction | 2100l/min |
Standard nominal flow rate in non-return direction | 1550l/min 2200l/min | Operating pressure | 0.3bar 10bar |
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 | Standard flow rate in flow control direction 6 -> 0 bar | 4000l/min |
Standard flow rate in non-return direction at 6 -> 0 bar | 2950l/min 4190l/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 | 40Nm | Product weight | 204g |
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 | 151179 |
Specifications may be subject to change without notice