The Festo GRLA-1/8-PK-4-B is a compact one-way flow control valve with a non-return function, ideal for pneumatic systems. It features easy adjustment and reliable performance.
Product Modelgrla-1/8-pk-4-b
Material Number151167
Product ID2763
Stock on Request
Last updated: 8/29/2026
Key Features
1
Non-Return FunctionThe GRLA-1/8-PK-4-B ensures that air flows in one direction only, preventing backflow and maintaining system efficiency.
2
Easy AdjustmentThe valve includes an adjusting element that allows for simple and precise control over airflow, making it easy to integrate into various applications.
3
Compact DesignWith a compact design, the GRLA-1/8-PK-4-B fits seamlessly into tight spaces, making it perfect for use in a wide range of industrial settings.
4
Reliable PerformanceBuilt with high-quality materials, the valve provides reliable performance even under demanding conditions, ensuring consistent operation.
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
PK-4 with union nut
Pneumatic connection 2
G1/8
Adjusting element
Slotted screw
Type of mounting
Screw-in
Standard nominal flow rate in flow control direction
230l/min
Pneumatic Connection FlexibilityThe valve supports both /8 and PK-4 pneumatic connections, offering flexibility in system design and integration with other Festo products.
Standard nominal flow rate in non-return direction
190l/min 240l/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
360l/min
Standard flow rate in non-return direction at 6 -> 0 bar
295l/min 375l/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
6Nm
Product weight
25g
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
151167
Festo GRLA-1/8-PK-4-B: One-Way Flow Control Valve for Pneumatic Systems | INDSLT
