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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™  1402B01

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Catalog No. 01-100

 

Description & Specifications

Specifications

Horsepower 0.5hp
Voltage 115/230V
Hertz 60Hz
Height (English) 15 in.
Height (Metric) 38.1cm
Width (English) 12 in.
Length (English) 20 in.
Length (Metric) 51cm
Shipping Weight (English) 128 lb.
Shipping Weight (Metric) 58kg
Amperage 8.8/4.4A
Includes V-belts, pulleys, belt guard, Oil supply, 3-wire cord, N. American 115V plug, inline switch and instructions
Motor Speed 525rpm
Pressure 1 x 10-4 torr
Flow Rate 5.6 cfm
Electrical Requirements 115/230V 60Hz
Capacity (Metric) 2.25 qt.
For Tube Size (English) 0.8 in.
For Tube Size (Metric) 20.6cm
For Use With (Application) Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
Model 1402
Type High Vacuum Pump, Two-Stage
Weight (English) 128 lb.
Weight (Metric) 58kg
Vacuum Level 13.3MPa (1 × 10-4 torr)
Width (English) Exterior 12 in.
Height (English) Exterior 15 in.
Length (English) Exterior 20 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: 01100

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
01-104A
Welch™ DuoSeal™ Pump Oil
welch™ For use in DuoSeal High-Vacuum Pumps Each for $47.77