Edwards EH-250 EH250 Blower Roots Vacuum Booster Pump - Rebuilt
- — 12 months warranty
- — SMS notification
- — Return and exchange
- — Different payment methods
- — Best price
For sale is a BOC Edwards EH-250 Blower (Booster) Vacuum Pump, which are unique in utilizing a hydrokinetic fluid coupling to connect the electric motor shaft to the lobe rotor. The EH mechanical booster pump, based on the simple Roots principle, remain the favorite pump for applications where high pumping speeds are required in the 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. Operating at relatively low pressures, the mechanical booster pump is not exposed to the same concentrations of corrosive process media as is the backing pump, which makes it highly reliable.
The priced listed above is for a BOC Edwards EH-250 Blower (Boosters) Vacuum Pump only. We also sell mechanical and blower vacuum pump systems. Please call (505) 872-0037 for more information.
Displacement (swept volume)
375 m3h-1, 220 ft3min-1 (CFM)
Effective pumping speed with backing pump
E2M40 240 m3h-1, 141 ft3min-1 (CFM)
E2M80 274 m3h-1, 161 ft3min-1 (CFM)
Rotational speed
60 Hz supply (0 - 3500 rpm)
Operating continuous inlet pressure range (with suitable backing pump)
0 - 1000 mBar, 0 – 760 Torr
Maximum outlet pressure
1000 mBar, 760 Torr
Electrical supply voltage
3-phase, 60 Hz, 208 - 230 VAC / 460 VAC
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