Product Model

crgrla-1/4-b

In Stock
Last updated: 2025/4/17
Festo crgrla-1/4-b

Selling Points

  • 1The Festo CRGRLA-1/4-B one-way flow control valve offers precise pneumatic control with a standard nominal flow rate of 610 l/min in the flow control direction and 450 l/min to 820 l/min in the blocked direction.
  • 2This valve features manual adjustment with a slotted head screw, ensuring easy and reliable operation. It is suitable for use in various industrial settings, including cleanrooms and applications requiring food-grade compliance.
  • 3The CRGRLA-1/4-B is designed with corrosion-resistant materials, including high-alloy stainless steel for the adjusting screw and swivel fitting, ensuring durability and longevity in harsh environments.
  • 4The valve is compatible with compressed air to ISO 8573-1:2010 and can operate in a temperature range of -20 °C to 80 °C, making it versatile for a wide range of applications.
  • 5The Festo CRGRLA-1/4-B one-way flow control valve is compliant with RoHS regulations and meets the requirements for use in Class 4 cleanrooms according to ISO 14644-1, making it suitable for high-precision industries.
Product Details
crgrla-1/4-b
Festo

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

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