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Welch™ DuoSeal™ High-Vacuum Pumps

Rugged, durable pumps are ideal for demanding applications such as Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing

Manufacturer: welch™  1374B01

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Catalog No. 01-105-1

 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.


Description & Specifications

Specifications

Horsepower 1.5hp
Voltage 115/230V
Hertz 60Hz
Height (English) 18.8 in.
Height (Metric) 47.6cm
Width (English) 13.7 in.
Length (English) 26 in.
Length (Metric) 66cm
Shipping Weight (English) 231 lb.
Shipping Weight (Metric) 105kg
Amperage 8.8A
Includes V-belts, pulleys, belt guard, Oil supply, N. American 115V Plug
Motor Speed 510rpm
Pressure 1 x 10-4 torr
Flow Rate 23 cfm
Electrical Requirements 115/230V 60Hz
Capacity (Metric) 1.25 qt.
For Tube Size (English) 220 lb.
For Tube Size (Metric) 41.3cm
For Use With (Application) Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
Model 1374
Type High Vacuum Pump, Two-Stage
Weight (English) 231 lb.
Weight (Metric) 100kg
Vacuum Level 13.3MPa (1 × 10-4 torr)
Width (English) Exterior 13.75 in.
Height (English) Exterior 18.75 in.
Length (English) Exterior 26 in.

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

Accessories

Accessories for Catalog Number: 011051

Item Mfr. No. Item Description Price Per Unit Quantity  
01-104B
Welch™ DuoSeal™ Pump Oil
welch™ For use in DuoSeal High-Vacuum Pumps Each for $130.21
Case of 4 Each for $520.84