The Festo GRLA-3/4-B one-way flow control valve ensures efficient exhaust air flow control with its non-return function and adjustable elements, perfect for pneumatic systems.
Product Modelgrla-3/4-b
Material Number151180
Product ID2772
Stock on Request
Last updated: 8/29/2026
Key Features
1
Efficient Exhaust Air Flow ControlThe GRLA-3/4-B valve is designed to manage exhaust air flow effectively, ensuring optimal performance in pneumatic systems.
2
Non-Return FunctionEquipped with a non-return function, this valve prevents backflow, ensuring that air moves in one direction only, which is crucial for maintaining system integrity.
3
Adjustable ElementsThe valve features adjustable elements, allowing for precise control over the flow rate. This flexibility makes it suitable for a wide range of applications.
4
Pneumatic Connection CompatibilityThe valve is compatible with standard pneumatic connections (G3/4), making it easy to integrate into existing systems.
5
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
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
Reliable PerformanceBuilt with high-quality materials and designed for durability, the GRLA-3/4-B valve provides reliable performance in demanding industrial environments.
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
One-way Flow Control Valve GRLA-3/4-B | Festo USA | INDSLT
