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  2. DryFast Diaphragm Pump 2037
DryFast Diaphragm Pump 2034
DryFast Diaphragm Pump 2034
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DryFast Diaphragm Pump 2037

Item# 2037B-01

Delivery time will be confirmed in the order
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Description

Product Details

  • Chemical Resistant
  • Oil-Free
  • Tuneable Vacuum

Suggested Applications

  • Aspiration
  • Replace House Vacuum
  • Rotary Evaporator
  • Solvent Degas

Welch DryFast™ PTFE Diaphragm Vacuum Pumps enable precise vacuum control for organic evaporations with exclusive Advanced Vapor Management (AVM). Oil-Free, portable, chemical resistant, dual 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.

Specifications

 

Model Number
2034
2044
2037
2047
2090
2085
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
Vacuum Filtration (to 6 funnel manifold), Vacuum ovens (2 to 4.5 ft3), Aspiration, Lab Automation,Pumping 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
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)
2.5(70)
2.5(70)
Free Air Displacement m3/hr (l/min.) @50Hz
1.25(21)
1.75(29)
2.5(42)
3.5(58)
3.5(58)
3.5(58)
Ultimate Pressure
9(12)
9(12)
35(47)
35(47)
35(47)
35(47)
Maximum Vacuum
29.6
29.6
28.5
28.5
28.5
28.5
Motor Horsepower (watts)
1/5(150)
1/5(150)
1/5(150)
1/5(150)
1/5(150)
1/5(150)
Adjustable Vac. / Gas Ballast
Yes
Yes
Yes
Yes
Yes
Yes
Tubing Needed
1/4(7)
1/4(7)
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)
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)
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)
25(11.3)
25(11.3)
Shipping Carton Dimensions LxWxH in. (cm)
21x14x15 (52x35x37)
21x14x15 (52x35x37)
21x14x15 (52x35x37)
21x14x15 (52x35x37)
21x14x15 (52x35x37)
21x14x15 (52x35x37)
Adjustable Vacuum
Knob
Knob
Knob
Knob
Knob
Knob

Downloads

c25930_gd-welch-diaphragm-pump-family-brochure-v2-web

Diaphragm Pump Brochure

dryfast_dryfast_ultra_flyer_042706

DRYFAST® & DRYFAST ULTRA®

brochure

manual-dryfast

manual