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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™  1399B80

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Catalog No. 01-103

 

Description & Specifications

Specifications

Horsepower 0.3hp
Voltage 115V
Hertz 60Hz
Height (English) 10 in.
Height (Metric) 25.4cm
Width (English) 9 in.
Length (English) 17 in.
Length (Metric) 43.2cm
Shipping Weight (English) 61 lb.
Shipping Weight (Metric) 28kg
Amperage 5.9A
Includes V-belts, pulleys, belt guard, Oil supply, 3-wire cord, N. American 115V plug, inline switch and instructions
Motor Speed 750rpm
Pressure 1.5 x 10-2 torr
Flow Rate 1.2 cfm (34L/min.)
Electrical Requirements 115V 60Hz
Capacity (Metric) 0.5 qt.
For Use With (Application) Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
Model 1399
Type High Vacuum Pump, One-Stage
Weight (English) 61 lb.
Weight (Metric) 28kg
Vacuum Level 2Pa (1.5 × 10-2 torr)
Width (English) Exterior 9 in.
Height (English) Exterior 10 in.
Length (English) Exterior 17 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: 01103

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