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The following products have limited availability and/or have been replaced by newer models. This information is provided for reference purposes.

Liquid Ring Pump/Motor Modules

MB systems offer convenience to a customer who needs a new pump and motor. Available in sizes ranging from 5 to 25 HP, the MB packages include a 2 stage liquid ring vacuum pump, TEFC 208/230/460 volt motor, coupling, and guard, all mounted on a formed base.

Also, please call us for additional requirements such as separators, heat exchangers, piping components, and inlet filters.

Vacuum Pump and Motor Assemblies
System Model 25D-MB 27D-MB 210D-MB 215D-MB 220D-MB 220HD-MB 225D-MB
Pump Model 25D 27D 210D 215D 220D 220HD 225D
Motor HP 5 7.5 10 15 20 20 25
Motor RPM 1750 1750 1750 1750 1750 1750 1750
Inlet/Discharge Connections 1 1/2" 1 1/2" 1 1/2" 2" 2" 2" 2 1/2"
dB(A), average 60 Hz 67 67 67 68 68 68 69
Weight (lb.) 166 188 209 287 309 342 390
Average Service Liquid (GPM) 2.7 2.7 2.7 5.5 7 7.5 9
Overall Width 16" 17" 19" 18" 20" 23" 25"
Overall Length 40" 42" 53" 57" 59" 67" 71"
Overall Height 24" 28" 29" 31" 31" 31" 34"
ACFM @ 0" 64 80 102 150 190 218 310
ACFM @ 19" 76 85 116 170 210 250 320
ACFM @ 22.5" 76 90 120 178 222 262 332
ACFM @ 25" 75 99 130 180 236 274 342
ACFM @ 27.5" 72 99 128 162 226 248 330
ACFM @ 28.9" 45 70 88 110 138 148 205
SCFM @ 19" 27.8 31.1 42.5 62.3 77 91.6 117.2
SCFM @ 25" 12.5 16.5 21.7 30 39.3 45.7 57
Performance based on following conditions: dry air, 59 degree F water as service liquid, pump discharge against atmospheric pressure at sea level. Tolerance is 10%.
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