crgrla-1/4-b
Product ID:4189
Updated: 2026/7/4
Key Features
- 1Control flow precisely with a rate of 610 l/min.
- 2Adjust manually using the slotted head screw.
- 3Resist corrosion with high-alloy stainless steel.
- 4Operate reliably from -20°C to 80°C.
- 5Meet RoHS and cleanroom ISO 14644-1 standards.
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Technical Specifications
Detailed engineering parameters
| 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
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