The following products have limited availability and/or have been replaced by newer models. This information is provided for reference purposes.
Liquid Ring Vacuum Pumps: Compact, Motor Mount (B Series)
Motor mounted SM pumps are compact, which make them ideal for extrusion, laboratory, and medical applications. Standard motors are 230/460 volt, 3 ph. All models feature stainless steel impellers and mechanical seals. Internal surfaces are coated with a chemically applied organic material for long term corrosion resistance.
Spec Sheet
| Model | SM30B | SM55B | SM75B | SM100B | SM200B | SM250B |
| Part # | 263550 | 263552 | 263554 | 263556 | 263558 | 263560 |
| Motor HP | 3 | 5.5 | 7.5 | 10 | 20 | 25 |
| Motor RPM | 3500 | 1750 | 1750 | 1750 | 1750 | 1750 |
| Inlet/Discharge Connections | 1" | 1 1/2" | 1 1/2" | 2" | 2 1/2" | 2 1/2" |
| dB(A), Average 60 Hz | 69 | 65 | 65 | 72 | 72 | 72 |
| Weight (lb.) | 55 | 148 | 183 | 245 | 359 | 392 |
| Average Service Liquid (GPM) | 1.5 | 4.5 | 5 | 3.8 | 7.2 | 8.5 |
| Dimensions | drawing | drawing | drawing | drawing | drawing | drawing |
| ACFM @ 0" | 32 | 72 | 85 | 138 | 180 | 260 |
| ACFM @ 19" | 33 | 72 | 86 | 144 | 190 | 260 |
| ACFM @ 22.5" | 32 | 71 | 86 | 140 | 190 | 264 |
| ACFM @ 25" | 31 | 68 | 80 | 136 | 181 | 258 |
| ACFM @ 27.5" | 20 | 58 | 72 | 125 | 168 | 225 |
| ACFM @ 28.9" | 8 | 33 | 36 | 68 | 82 | 128 |
| SCFM @ 19" | 12 | 26.4 | 31.5 | 52.7 | 69.6 | 95.2 |
| SCFM @ 25" | 5.2 | 11.3 | 13.3 | 22.7 | 30.2 | 43 |
