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Freeze dried vaccines curbed the spread of measles, malaria, rabies etc in the developing world. Why, because they could be transported without refrigeration. Where’s the vacuum? Freeze drying is a vacuum process!
The Edwards iH dry pumps offer a highly reliable, low cost pump for difficult processes where particulate, condensable or corrosive by-products are present. The iH series has a five stage base pump with an innovative cantilever rotor, claw and roots design which improves dust handling and reduces exhaust noise. In addition, iH series pumps are fitted with a single stage mechanical booster pump and totally enclosed water cooled motors.
460V, 60 Hz 3Ø
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