grla-1/4-rs-b
Product ID:2268
Updated: 2026/4/3
Key Features
- 1Ensure precise one-way flow control in pneumatic systems with the piloted non-return function. 2、Connect easily using the female G1/4 thread on port 1 and male G1/4 on port 2. 3、Adjust flow settings securely via the integrated knurled screw and lock nut. 4、Deploy in diverse applications, from mufflers to regulators, thanks to its compact, robust build. 5、Select from the GRxA/Z series for various thread sizes and push-in connections.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Valve function | Exhaust air flow control non-return function | Pneumatic connection 1 | Internal thread G1/4 |
| Pneumatic connection 2 | External thread G1/4 | Adjusting element | Knurled 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 | 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 | 1200l/min |
| Standard flow rate in non-return direction at 6 -> 0 bar | 885l/min 1615l/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 |
| Nominal width | 6mm | Max. tightening torque | 11Nm |
| Product weight | 59g | 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 | 151175 |
Specifications may be subject to change without notice