Edwards EH250 Mechanical Booster Vacuum Pump - NEW The EH mechanical booster pump, based on the simple Roots principle, remains the favourite pump for applications where high pumping speeds are required for pressures in the region of 0.01 to 10 mbar. This pump must always be backed by another pump, which can deliver against a high-pressure differential to atmospheric pressure. Displacement (swept volume) 50 Hz 310 m3h-1 / 185 ft3min-1 60 Hz 375 m3h-1 / 220 ft3min-1 Effective pumping speed with backing pump E1M40 or E2M40 240 m3h-1 / 141 ft3min-1 E1M80 or E2M80 274 m3h-1 / 161 ft3min-1 Pressure differential across pump 50 Hz 180 mbar / 140 Torr 60 Hz 150 mbar / 115 Torr Inlet connection ISO63 Outlet connection ISO40 Rotating speed 50 Hz 2,900 rpm 60 Hz 3,500 rpm Operating continuous inlet pressure 1,000 mbar / 760 Torr Maximum outlet pressure 1,000 mbar / 760 Torr Recommended backing pumps GV80, E1M/E2M40, E1M/E2M80 Electrical supply voltage, 3-ph 50 Hz 220-240V / 380-415V 60 Hz 230V / 460V Motor power Hydrocarbon 2.2 kW / 3 hp PFPE 2.2 kW / 3 hp ATEX 2.2 kW Explosion proof 3 hp Ambient temp. range Operating 5 to 40°C / 40 to 104°F Storage -10 to 80°C / 14 to 176°F Max. operating humidity 90% RH Recommended oil Standard version Ultragrade 20 PFPE version Fomblin YVAC 16/6 Oil capacity Coupling cover 1.5 l / 1.6 qt Shaft seal reservoir 0.125 l Weight 69 kg / 152 lb Edwards EH250 Mechanical Booster Vacuum Pump - NEW A30105934 / A301-05-934 EH250HC IE3 Asia 50Hz 200V 50Hz A30105945 / A301-05-945 EH250HC IE3 EU/CN 50Hz 380-400V 50Hz A30106934 / A301-06-934 EH250HC IE3 Asia 60Hz 200V 60Hz 380V 60Hz A30106946 / A301-06-946 EH250HC IE3 US 60Hz 230/460V 60Hz A30107934 / A301-07-934 EH250FX IE3 Asia 50Hz 200V 50Hz A30107945 / A301-07-945 EH250FX IE3 EU/CN 50Hz 380-400V 50Hz A30108934 / A301-08-934 EH250FX IE3 Asia 60Hz 200V 60Hz 380V 60Hz A30108946 / A301-08-946 EH250FX IE3 US 60Hz 230/460V 60Hz A30153935 / A301-53-935 EH250FX 220-240/380-415V 3-phase 50Hz 1.5kW A30154936 / A301-54-936 EH250FX 230/460V 3-phase 60Hz 2 hp A30152934 / A301-52-934 EH250IND 200V 3-phase 60Hz A30151934 / A301-51-934 EH250IND 200V 3-phase 50Hz A30151945 / A301-51-945 EH250IND 220-240/380-415V 3-phase 50Hz 2.2kW A30152946 / A301-52-946 EH250IND 230V or 460V 3-phase 60Hz 3 hp
Edwards EH250 Mechanical Booster Vacuum Pump - NEW
The EH mechanical booster pump, based on the simple Roots principle, remains the favourite pump for applications where high pumping speeds are required for pressures in the region of 0.01 to 10 mbar. This pump must always be backed by another pump, which can deliver against a high-pressure differential to atmospheric pressure.
Edwards EH250 Mechanical Booster Vacuum Pump - NEW A30105934 / A301-05-934 EH250HC IE3 Asia 50Hz 200V 50Hz A30105945 / A301-05-945 EH250HC IE3 EU/CN 50Hz 380-400V 50Hz A30106934 / A301-06-934 EH250HC IE3 Asia 60Hz 200V 60Hz 380V 60Hz A30106946 / A301-06-946 EH250HC IE3 US 60Hz 230/460V 60Hz A30107934 / A301-07-934 EH250FX IE3 Asia 50Hz 200V 50Hz A30107945 / A301-07-945 EH250FX IE3 EU/CN 50Hz 380-400V 50Hz A30108934 / A301-08-934 EH250FX IE3 Asia 60Hz 200V 60Hz 380V 60Hz A30108946 / A301-08-946 EH250FX IE3 US 60Hz 230/460V 60Hz A30153935 / A301-53-935 EH250FX 220-240/380-415V 3-phase 50Hz 1.5kW A30154936 / A301-54-936 EH250FX 230/460V 3-phase 60Hz 2 hp A30152934 / A301-52-934 EH250IND 200V 3-phase 60Hz A30151934 / A301-51-934 EH250IND 200V 3-phase 50Hz A30151945 / A301-51-945 EH250IND 220-240/380-415V 3-phase 50Hz 2.2kW A30152946 / A301-52-946 EH250IND 230V or 460V 3-phase 60Hz 3 hp
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