Used Sihi model LPHB 3704 carbon steel liquid ring vacuum pump. 1 1/2" diameter flanged connections. On base, direct coupled to 5 HP 3/60/230-460 volt 1725 rpm motor. Rated capacity handling dry air - 37 CFM @ 20" HG vac., 42 CFM @ 25" HG vac. Handling saturated air - 38 CFM @ 20" HG vac., 28 CFM @ 25" HG vac. Serial #3395301, 900056.
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