Welch® DryFast Ultra Diaphragm Pumps
Image SKU Description Maximum Vacuum Ultimate Pressure Free Air Displacement Electrical Quantity Price Add to Cart
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2032B-01 DryFast Ultra Diaphragm Pump 29.85 in Hg 2 Torr (2.7 mbar) 0.9 cfm (25 L/min) 115V, 60Hz, UL/CSA Certified 1 Each
$3,665
$3,139
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2042B-01 DryFast Ultra Diaphragm Pump 29.85 in Hg 2 Torr (2.7 mbar) 1.2 cfm (35 L/min) 115V, 60Hz, UL/CSA Certified 1 Each
$4,140
$3,542
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Description

Welch DryFast™ PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management. Oil-Free, portable, chemical resistant, 2 head diaphragm design simplifies maintenance. Economical DryFast™ vacuum pumps are perfect for tough lab applications.

Key Features

  • Chemical Resistant
  • Oil-Free
  • Tuneable Vacuum

Suggested Applications

  • Rotary Evaporator
Model Number 2032 2042
Applications Rotary Evaporation/Distillation (lowvolatility solvents <160°C B.P., ~1 Liter), Vacuum ovens - small, pumping harsh vapors & gases Rotary Evaporation/Distillation (lowvolatility solvents <160°C B.P., ~ 2 Liter), Centrifugal Concentrators, Vacuum ovens (mid- size), pumping harsh vapors & gases
Type Laboratory Vacuum Pump Laboratory Vacuum Pump
Free Air Displacement cfm (l/min.) @60Hz 0.9(25) 1.2(35)
Free Air Displacement m3/hr (l/min.) @50Hz 1.25(21) 1.75(29)
Ultimate Pressure 2(2.7) 2(2.7)
Maximum Vacuum 29.85 in Hg 29.85 in Hg
Motor Horsepower (watts) 1/5(150) 1/5(150)
Adjustable Vac. / Gas Ballast Yes Yes
Tubing Needed 1/4(7) 1/4(7)
Intake Thread NPT M14(1/8) M14(1/8)
Overall Dimensions LxWxH in. (cm) 13.8x6.8x8.8 (35.2x7.2x22.3) 13.8x6.8x8.8 (35.2x7.2x22.3)
Ship Weight 25(11.3) 25(11.3)
Shipping Carton Dimensions LxWxH in. (cm) 21x14x15 (52x35x37) 21x14x15 (52x35x37)
Adjustable Vacuum Knob Knob

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