Product Model
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.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
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