Clean operation (oil free), low cost of ownership, highest reliability – these are just a few benefits that customers can appreciate when they use a diaphragm pump for laboratory or industrial applications. With a broad range of diaphragm pumps – ultimate vacuum from 75 to 1 mbar and peak flow rates up to 138 l/min – Welch offers specific pump families and models for a variety of uses. The rugged low maintenance pumps have PTFE heads, perfluoroelastomer valves, and fluorinated plastic wetted surfaces, making DryFast a durable choice for solvent, acidic, and basic vapors.
Model 2032 Ultra is a two-stage PTFE diaphragm pumps excellent for all common evaporations, drawing vacuum down to 2 Torr (2.7 mbar) for solvents with atmospheric boiling points down to 160 C. 115V 60Hz
Features
Chemical Duty Diaphragm Pump
- Chemical resistant against solvents, acidic and basic vapors
- Constructed with corrosion resistant PTFE and perfluoro plastic materials
- Oil-free for low maintenance operation
- Comes standard with fine tune adjustable knob
- Wired for 115V 60HZ
- Free air displacement @60Hz: 0.9 cfm (25 L/min)
- Ultimate pressure: 2 Torr (2.7 mbar)
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| Â Electrical requirements |
 115V 60Hz |
| Â Tubing Needed, I.D. in. (mm) |
 1/4 (7) |
| Â Ultimate Pressure | Â 2 |
| Â Free Air Displacement | Â 0.9(25) |
| Â Exhaust Connection | Â M14 (1/8) |
| Â Motor Power, HP (kW) at 60 Hz | Â 1/5 (150) |
| Â Application | Â Rotary Evaporation/Distillation (medium volatility solvents <110C B.P., volume ~ 1 liter), Â Vacuum ovens - small, pumping harsh vapors & gases |
|
 Pump dimensions (LxWxH) |
 350x170x220 (mm) |
| Â Pump weight |
 21.25 Lb |
| Â Shipping weight |
 25 Lb |
| Â Warranty | Â One year |
|
 Part description |
 Quantity |
Part image |
| Â Welch 2032B chemical-resistant oil-free diaphragm pump |
1 pc |
 |
| Â White premium food-grade silicone vacuum hose |
3 ft |
|
| Â Power Cord with Plug | 1 pc | |
| Â User's manual |
1 pc |
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