Product Model

grla-1/4-b

In Stock
Last updated: 2025/4/17
Festo 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.
Product Details
grla-1/4-b
Festo

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
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