| Brand | General Europe Vacuum |
| Capacity | 300 m3/hr L |
| Voltage | 230/400VAC |
| Size(LxBxH) | - mm |
The valve operates mechanically and is forced open by the pressure created by the pump, then closed by atmospheric pressure . Rotary pumps are lubricated with oil, which not only provides a seal between the high and low-pressure sides of the pump but also lubricates the pump bearings and other rotating components.
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