Old Models vs. New Models

Vacuum pump - Comparative table of old and new models.

It is a comparative table of ULVAC pumps. Please check the differences between the old model and the current model.
Please refer to the product information page for details of product specifications.

Old model Current model
D-240DK VD151
D-330DK VD201
D-650DK VD30C
D-950DK VD40C
EC403 VD40C
EC603 VD60C
EC803 VD90C

The belt-driven type D -330K, D -650K, and D -950K have slightly different pumping speeds. Please consult with us, we will select a pump according to the exhaust condition.

D240DK⇒VD151

Model D-240DK VD151
Design pumping speed
m3/h(L/min)
50HZ 14(240) 14.4(240)
60Hz 17(290) 17.3(288)
Ultimate pressure Pa 6.7×10-1 6.7×10-1
Pump oil ULVOIL R-7 ULVOIL R-7
Cooling method Air cooling Air cooling
Inlet diameter KF25 KF25
Outlet diameter G1( PF1 G1
External dimensions mm LxWxH 497x231x251 514x170x240

Detailed specifications of VD series can be found here.

D-DK series⇒VD series


Model D-330DK D-650DK D-950DK yajirushi04.gif VD201 VD30C VD40C
Design pumping speed
m3/h(L/min)
50Hz 15(253) 30(507) 46(760) 20.2(336) 30(500) 40(670)
60Hz 19(309) 37(618) 56(928) 24.2(403) 36(600) 48(800)
Ultimate pressure Pa 6.7×10-1 6.7×10-1
Pump oil ULVOIL R-7 ULVOIL R-7
Cooling method Air cooling Air cooling
Inlet diameter 1B hose connection VG40 equivalency VG50 equivalency KF25 VG40equivalency VG40equivalency
Outlet diameter G1 1/2(PF1 1/2) G2
(PF2)
G1 VG40equivalency VG40equivalency
695 695 766 536 660 660
External dimensions  W 266 268 282 181 210 210
mm   H 371 357 357 269 324 324

Click here for specifications details of VD series.

EC series⇒VD series

Model EC403 EC603 EC803 yajirushi04.gif VD40C VD60C VD90C
Design pumping speed
m3/h(L/min)
50HZ 40(670) 60(1000) 80(1340) 40(670) 60(1000) 90(1500)
60Hz 48(800) 72(1200) 96(1600) 48(800) 72(1200) 106(1800)
Ultimate pressure Pa 6.7×10-1 6.7×10-1
Pump oil ULVOIL R-7000 ULVOIL R-7
Cooling method Air cooling Air cooling
Inlet diameter/td> VG50equivalency VG40equivalency VG50equivalency
Outlet diameter VG40equivalency VG40equivalency
657 721 775 680 761 831
External dimensions W 270 285 296 210 280 280
mm H 370 370 370 324 371 371

Click here for specifications details of VD series.
※ If you do not find the old model in the table above, please contact our sales representative.

Old Models vs. New Models

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