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Welch™ DuoSeal™ High-Vacuum Pumps

Manufacturer:  Welch™ 1400C01

Catalog No. 01-096-1

Includes: V-belts, pulleys, belt-guard, oil supply, 3-wire cord (except 01-105-1 which must be conduit wired), plug, inline switch and instructions.



The ruggedness is a result of reduced frictional wear (less than 580rpm vs. typical 1750rpm direct-drive pumps) and high contamination tolerance (contaminants diluted due to large oil capacity).

  • Dual-voltage models come wired for lowest voltage listed in specifications chart; may be converted to higher voltage listed by rewiring
  • Wiring diagram supplied with each model
  • All models are single phase

1International Model for 115/230V 50Hz available on special order.



1 x 10-4 torr
68 lb.
V-belts, pulleys, belt guard, Oil supply, 3-wire cord, N. American 230V plug, inline switch and instructions
230 V 60 Hz
0.9 CFM
12.6 in.
17.8 in.
9 in.
Concentrating and Degassing,Freeze Drying,Schlenk Drying Lines,Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing,Vacuum Distillations
0.3 hp
31 kg
580 rpm
60 Hz
32.1 cm
45.1 cm
High Vacuum Pump, Two-Stage
230 V
Product Certifications