DryFast Diaphragm Pump 2044

List Price:

$2,280.00

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Product Details

  • Chemical Resistant
  • Oil-Free
  • Tuneable Vacuum

Welch DryFastTM PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, 2 head diaphragm design simplifies maintenance. Choose from seven dry PTFE vacuum pump models with flows up to 70 L / min and adjustable vacuum down to 2 Torr. Economical DryFastTM vacuum pumps are perfect for tough lab applications.


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Model Number 2034 2044 2037 2047
Applications Rotary Evaporation/Distillation (medium volatility solvents <110oC B.P., volume ~ 1 liter), Vacuum ovens - small, pumping harsh vapors & gases Rotary Evaporation/Distillation (medium volatility solvents <110oC B.P., volume ~ 2 liter), Centrigugal Concentrator (e.g. DNA pelleting), Vacuum ovens - small, pumping harsh vapors & gases Vacuum Filtration (to 6 funnels), Vacuum ovens (2 to 4.5 ft3), harsh vapors & gases Vacuum Filtration (to 6 funnel manifold), Vacuum ovens (2 to 4.5 ft3), Aspiration, Lab Automation,Pumping harsh vapors & gases
Type Laboratory Vacuum Pump Laboratory Vacuum Pump Laboratory Vacuum Pump Laboratory Vacuum Pump
Free Air Displacement cfm (l/min.) @60Hz 0.9(25) 1.2(35) 1.8(50) 2.5(70)
Free Air Displacement m3/hr (l/min.) @50Hz 1.25(21) 1.75(29) 2.5(42) 3.5(58)
Ultimate Pressure 9(12) 9(12) 35(47) 35(47)
Maximum Vacuum 29.6 29.6 28.5 28.5
Motor Horsepower (watts) 1/5(150) 1/5(150) 1/5(150) 1/5(150)
Adjustable Vac. / Gas Ballast Yes Yes Yes Yes
Tubing Needed 1/4(7) 1/4(7) 1/4(7) 1/4(7)
Intake Thread NPT M14(1/8) M14(1/8) 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) 13.8x6.8x8.8 (35.2x7.2x22.3) 13.8x6.8x8.8 (35.2x7.2x22.3)
Ship Weight 25(11.3) 25(11.3) 25(11.3) 25(11.3)
Shipping Carton Dimensions LxWxH in. (cm) 21x14x15 (52x35x37) 21x14x15 (52x35x37) 21x14x15 (52x35x37) 21x14x15 (52x35x37)
Adjustable Vacuum Knob Knob Knob Knob
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