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We have for sale a rebuilt BOC Edwards EH-250 Blower Booster. These boosters are rebuilt and come with a 90 day warranty for parts and labor. Please note that we have multiple quantites of these items in stock if you were needing more than one. If you are with a US College or University we do gladly accept PO's from your purchasing department. Please let us know if you need a formal written quote All other buyers must prepay. We do gladly do business with international buyers. Shipping costs will be determined after the sale. These items are located in Albuquerque, New Mexico 87107. Please email or call if you have any further questions. Thanks and have a nice day. BOC Edwards EH-250 Blower Vacuum Booster Pump - Rebuilt Click image to see larger photo. --> Quantity In Stock 15 Unit Dimensions Are 29x16x16 inches Manufacturer BOC Edwards Approximate Weight ~ 134 lbs New Cost $9,500.00 Tech Support By Manufacturer Sales Price $2,300.00 Shipping & Handling Shipping Information The Warranty Period Is 90 Days Condition Rebuilt Notes/Specifications BOC Edwards EH-250 Blower Vacuum Booster Pump - Rebuilt 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 (like the BOC Edwards E2M40 EH-250 system shown above). Please call (505) 872-0037 for more information. Displacement (swept volume) 375 m3h-1, 220 ft3min-1 (CFM) Effective pumping speed with backing pump E1M40 240 m3h-1 or E2M40 141 m3h-1 E1M80 274 m3h-1 or E2M80 161 m3h-1 Rotational speed 60 Hz supply (0 - 3500 rpm) Total pressure, single stage backing pump, with gas ballast 2 × 10-2 mbar, 1.5 × 10–2 torr Ultimate pressure, permanent gases, single stage backing pump, no gas ballast 2 × 10-3 mBar, 1.5 × 10–2 Torr Total pressure, two stage backing pump, with gas ballast 1 × 10-3 mBar, 0.75 × 10–2 Torr 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 Compatibility/Requirements/Disclosures:
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