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| · | Low Cost of Ownership | | · | Long lifetime due to improved mechanical reliability | | · | Variable pumping speed to match application requirements | | · | State-of-the-art control and monitoring devices | | · | Compact pump size |
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| Technical Characteristics |
| · | Screw pump for application in harsh duty processes | | · | EBARA patented 2-stage screw design of the main pump | | · | Multi-stage booster pump for high gas load applications | | · | Main pump with booster pump integrated into one housing | | · | High speed energy saving DC motors | | · | Intelligent control system | | · | Complete pump safeguard system | | · | High operating temperature preventing condensation inside of pump | | · | Low noise and low vibration | | · | Thorougly corrosion resistant material | | · | Variable pumping speed by RPM selection | | · | Low utility costs (electrical power, cooling water, nitrogen) |
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| Pumping speed (N2), 50/60 Hz | 1,500 - 3,000 m3/h
(25,000 - 50,000 l/min) | | Ultimate pressure, 50/60 Hz | 4 x 10E-3 mbar
(0.4 Pa) | | Cooling water requirements | 5 - 8 l/min. | | Nitrogen consumption | 17 - 19 SLM
(28 - 31 Pa m3/s) | | Voltages ranges | 200 - 220 / 380 - 400 V | | Maximum power | 11.3 kW | | Power at ultimate pressure | 4.6 kW | | Weight, approx. | 550 kg | | Sizes (LxWxH) | 1140 x 520 x 948 mm | | Inlet flange size | DN 160 ISO-K | | Outlet flange size | DN 40 KF |
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| Product | Ordering No. | Typ | | EST500WN | 815-0500-2-0N0 | Vacuum Dry Pump EST500WN, 200 V | | EST500WN | 815-0500-3-0N0 | Vacuum Dry Pump EST500WN, 400 V |
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