Product Model
grla-1/4-b

Selling Points
- 1The Festo GRLA-1/4-B valve ensures one-way flow control for exhaust air, providing precise regulation of air flow in pneumatic systems.
- 2Made from high-quality materials, including wrought aluminum alloy for the screwed plug and brass for the adjusting screw, ensuring durability and reliability.
- 3Compliant with ATEX zones 1, 2, 21, and 22, making it suitable for use in hazardous environments where explosive atmospheres may be present.
- 4Available with various mounting options, including push-in fittings and L-fittings, allowing for flexible integration into different pneumatic setups.
- 5Designed to operate within a wide temperature range (-10°C to 60°C) and pressure range (0.3 bar to 10 bar), ensuring optimal performance in various conditions.
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 | Internal thread G1/4 |
Pneumatic connection 2 | External thread G1/4 | Adjusting element | Slotted screw |
Type of mounting | Screw-in | Standard nominal flow rate in flow control direction | 610l/min |
Standard nominal flow rate in non-return direction | 450l/min 820l/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 | 1200l/min |
Standard flow rate in non-return direction at 6 -> 0 bar | 885l/min 1615l/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 |
Nominal width | 6mm | Max. tightening torque | 11Nm |
Product weight | 59g | Material of screwed plug | Wrought aluminum alloy |
Note on materials | RoHS-compliant | Seals material | NBR |
Material of adjusting screw | Brass | Swivel joint material | Die-cast zinc |
Manufacturer ID | 151172 |
Specifications may be subject to change without notice