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| Type code | GR |
| Valve function | Flow control non-return function |
| Pneumatic connection 1 | QB-1/4 |
| Pneumatic connection 2 | QB-1/4 |
| Actuation type | Manual |
| Adjusting element | Slotted screw |
| Type of mounting | Line installation With through-hole Optionally: |
| Standard nominal flow rate in flow control direction | 597.46 l/min |
| Standard nominal flow rate in non-return direction | 635.593 l/min ... 699.153 l/min |
| Operating pressure | -0.951 bar ... 7.998 bar |
| Ambient temperature | 0 °C ... 60 °C |
| Housing material | PBT-reinforced |
| Mounting position | Any |
| Symbol | 00991453 |
| Standard flow rate in flow control direction 6 -> 0 bar | 991.5 l/min |
| Standard flow rate in non-return direction at 6 -> 0 bar | 1347.458 l/min ... 1360.169 l/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) |
| Temperature of medium | 0 °C ... 60 °C |
| Product weight | 28.35 g |
| Material of screwed trunnion | Brass Nickel-plated |
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant |
| Seals material | NBR |
| Releasing ring material | POM |
| Knurled head material | Brass Nickel-plated |
| Material of adjusting screw | Brass Nickel-plated |
