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™ 1405B01

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Catalog No. 01-099

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    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 3.2 cfm
    Electrical Requirements 115/230V 60Hz
    Capacity (Metric) 0.25 qt.
    For Tube Size (English) 0.4 in.
    For Tube Size (Metric) 11.1cm
    For Use With (Application) Schlenk drying lines, freeze drying, vacuum distillations, concentrating and degassing
    Model 1405
    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

  • Description & Specifications
  • Accessories

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