crgrla-1/4-b

Product ID:4189
Updated: 2026/4/3
Festo crgrla-1/4-b

Key Features

  • 1Control flow precisely with a rate of 610 l/min. 2、Adjust manually using the slotted head screw. 3、Resist corrosion with high-alloy stainless steel. 4、Operate reliably from -20°C to 80°C. 5、Meet RoHS and cleanroom ISO 14644-1 standards.
Product Details
crgrla-1/4-b
Festo

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Valve function
Flow control non-return function
Pneumatic connection 1
G1/4
Pneumatic connection 2
G?
Actuation type
Manual
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
Operating pressure
4.35psi 145psi
Ambient temperature
-20°C 80°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
Rotatability
360 deg/continuous swiveling not permissible
Standard flow rate in flow control direction 6 -> 0 bar
1265l/min
Standard flow rate in non-return direction at 6 -> 0 bar
1030l/min 1345l/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-B2-L
Suitability for the production of Li-ion batteries
Metals with more than 1% by mass of copper, zinc or nickel are excluded from use.The exceptions are nickel in steel, chemically nickel-plated surfaces, circuit boards, cables, electrical plug connectors and coils
Cleanroom class
Class 4 according to ISO 14644-1
Storage temperature
-10°C 40°C
For use in the food industry
See supplementary material information
Temperature of medium
-10°C 60°C
Nominal width
6mm
Max. tightening torque
11Nm
Permissible actuation moment, adjusting screw
1.5Nm
Product weight
71.6g
Note on materials
RoHS-compliant
Seals material
FPM PVC
Hollow bolt material
High-alloy steel
Material of adjusting screw
High-alloy stainless steel
Swivel joint material
High-alloy stainless steel
Manufacturer ID
161405

Specifications may be subject to change without notice