The following products have limited availability and/or have been replaced by newer models.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: 30-75 HP Single & Two Stage, D Series
Pumps ranging from 30 to 75 HP are available for high capacity requirements. Single stage models have a "1" prefix, while two stage models begin with a "2." Internal surfaces are coated with a chemically applied organic material for long term corrosion resistance.
All models are equipped with a stainless steel shaft, bronze impellers, and mechanical seals.
Spec Sheet
| Model | 130D | 140D | 160D | 175D | 240D | 250D | 275D |
| Part # | 263562 | 263563 | 263564 | 263565 | 263573 | 263574 | 263575 |
| Motor HP | 30 | 40 | 60 | 75 | 40 | 50 | 75 |
| Motor RPM | 1750 | 1170 | 1170 | 1170 | 1750 | 1170 | 1170 |
| Inlet/Discharge Connections | 4" | 4" | 5" | 5" | 2 1/2" | 4" | 4" |
| dB(A), Average 60 Hz | 79 | 80 | 80 | 80 | 79 | 80 | 80 |
| Weight (lb.) | 474 | 794 | 1036 | 1147 | 529 | 992 | 1411 |
| Average Service Liquid (GPM) | 9 | 11 | 22 | 26 | 10 | 25 | 25 |
| Dimensions | drawing | drawing | drawing | drawing | drawing | drawing | drawing |
| ACFM @ 0" | 480 | 610 | 815 | 1105 | 385 | 490 | 790 |
| ACFM @ 19" | 475 | 590 | 805 | 1115 | 400 | 560 | 835 |
| ACFM @ 22.5" | 450 | 560 | 790 | 1100 | 410 | 590 | 910 |
| ACFM @ 25" | 415 | 480 | 700 | 1010 | 420 | 600 | 995 |
| ACFM @ 26.5" | 320 | 340 | 590 | 710 | 425 | 610 | 1080 |
| ACFM @ 28.9" | N.A. | N.A. | N.A. | N.A. | 235 | 340 | 500 |
| SCFM @ 19" | 174 | 216 | 295 | 408 | 147 | 205 | 306 |
| SCFM @ 25" | 83 | 96 | 140 | 202 | 84 | 120 | 199 |
