| Nominal size, Laval nozzle | 1,4 mm | ||
| Silencer design | Open | ||
| Ejector characteristic | High vacuum Standard | ||
| Design | T-shape | ||
| Operating pressure for max. suction flow rate | 5,1 bar | ||
| Operating pressure for max. vacuum | 5 bar | ||
| Nominal operating pressure | 6 bar | ||
| Air supply time at nominal operating pressure | 0,5 s | ||
| Note on operating and pilot medium | Lubricated operation not possible | ||
| Media temperature | 0 °C ... 60 °C | ||
| Ambient temperature | 0 °C ... 60 °C | ||
| Product weight | 40 g | ||
| Pneumatic connection, port 1 | G1/8 | ||
| Vacuum connection | G1/4 | ||
| Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
| Material receiver nozzle | POM | ||
| Material silencer | Die-cast aluminium POM PU foam |
| Grid dimension | 18 mm | ||
| Mounting position | optional | ||
| Integrated function | Open silencer | ||
| Symbol | 991.489 | ||
| Operating pressure | 1 bar ... 8 bar | ||
| Max. vacuum | 88 % | ||
| Max. suction flow rate against atmosphere | 51,6 l/min | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Sound pressure level at nominal operating pressure | 69 dB(A) | ||
| Max. tightening torque | 0,5 Nm | ||
| Type of mounting | With through-hole With accessories | ||
| Pneumatic connection, port 3 | Open silencer | ||
| Material connecting thread | Anodised wrought aluminium alloy | ||
| Material seals | NBR | ||
| Material housing | POM-reinforced | ||
| Material transmitter nozzle | Wrought aluminium alloy |
