The following products have limited availability and/or have been replaced by newer models.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: Two Stage (D Series)

Two stage pumps perform well on deep vacuum applications, such as cheese processing, evaporation, sterilization, and extrusion venting. Available in a wide variety of sizes, all models feature a stainless steel shaft, bronze impellers and mechanical seals. Internal surfaces are coated with a chemically applied organic material for long term corrosion resistance.

Liquid Ring Vacuum Pumps: Two Stage
Model 25D 27D 210D 215D 220D 220HD 225D
Part # 263566 263567 263568 263569 263570 263571 263572
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
Dimensions drawing drawing drawing drawing drawing drawing drawing
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.