 | | Rotary Evap Pump for Low Boiling Point Solvents | | Part # 2010B-01 | | Effective for low boiling-point solvents such as acetone and methylene. |  | | |
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 | | Rotary Evap Pump for Low Boiling Point Solvents | | Part # 2012B-01 | | Effective for low boiling-point solvents such as acetone and methylene. | | | |
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 | | Welch 2017 Chemical Dry Pump | | Part # 2017B-01 | | Welch 2017 Chemical Dry Pump, 115V, 60 Hz, 1 PH | | | |
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 | | Welch 2022 Dry Chemical Duty Vacuum Pump | | Part # 2022B-01 | | Dry two stage vacuum pump, 115 volts, 60 hz., 9 Torr, 0.78 CFM, 22 L/min | | | |
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 | | Dry Vacuum System for Rotary Evaporators | | Part # 2025B-01 | | Corrosion resistant, anti-bumping/foaming with controlled evap rate; self-cleaning; | | | |
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 | | Self-Cleaning Dry Vacuum System | | Part # 2026B-01 | | Self-cleaning, reliable PTFE dry pump for either a concentrator or gel dryer | | | |
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 | | Self-Cleaning Dry Vacuum System | | Part # 2027B-01 | | Self-cleaning, reliable PTFE dry pump for either a concentrator or gel dryer; can be used for both. | | | |
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 | | Self-Cleaning Dry Vacuum System | | Part # 2028B-01 | | New! Programmable self-cleaning dry vacuum system. Enter parameters via keyboard or preset and walk away! | | | |
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| | Welch 2030 Chemical Dry Pump | | Part # 2030B-01 | | Welch 2030 Chemical Dry Pump, 115V, 60 Hz, 1 PH | | | |
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 | | Tuneable PTFE DryFast Ultra | | Part # 2032B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | Tuneable PTFE DryFast | | Part # 2034B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | Tuneable PTFE DryFast | | Part # 2037B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | Tuneable PTFE DryFast Ultra | | Part # 2042B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | Tuneable PTFE DryFast | | Part # 2044B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | Tuneable PTFE DryFast | | Part # 2047B-01 | | Corrosion resistant, chemical duty, oil-free diaphragm pump ideal for rotovaps, concentrators, vacuum ovens. | | | |
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 | | GEMINI Dry Vacuum Pump | | Part # 2050B-01 | | For aqueous applications, can tolerate fumes from select solvents and moderate pH acids and bases. | | | |
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 | | GEMINI Dry Vacuum Pump | | Part # 2060B-01 | | For aqueous applications, can tolerate fumes from select solvents and moderate pH acids and bases. | | | |
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 | | Welch 2085 Dry Chemical Duty Vacuum Pump | | Part # 2085B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 100 Torr, 6.2 CFM, 176 L/min | | | |
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 | | Welch 2090 Dry Chemical Duty Vacuum Pump | | Part # 2090B-01 | | Dry two stage vacuum pump, 115 volts, 60 hz., 25 Torr, 3.1 CFM, 88(L/min | | | |
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 | | Welch 2511B-75 Vacuum-Pressure Station | | Part # 2511B-75 | | Dry vacuum-pressure station, 115 volts, 60 hz., 219 Torr, 0.39 CFM, 11 L/min | | | |
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 | | Dry WOB-L Piston Vacuum Pump | | Part # 2515B-75 | | The Welch pump is suited for Vacuum Drying, Desiccating, Chamber Roughing and Filtration. | | | |
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 | | Welch 2522 Dry Standard Duty Vacuum Pump | | Part # 2522B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 100 Torr, 0.76 CFM, 22 L/min | | | |
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 | | Welch 2534 Dry Standard Duty Vacuum Pump | | Part # 2534B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 70 Torr, 1.2 CFM, 34 L/min | | | |
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 | | Welch 2546 Dry Standard Duty Vacuum Pump | | Part # 2546B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 60 Torr, 1.6 CFM, 45 L/min | | | |
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 | | Welch 2561 Dry Standard Duty Vacuum Pump | | Part # 2561B-50 | | Dry two stage vacuum pump, 115 volts, 60 hz., 7.5 Torr, 1.6 CFM, 45 L/min. | | | |
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 | | Welch 2562 Dry Standard Duty Vacuum Pump | | Part # 2562B-01 | | Two stage vacuum pump, 115 volt, 60 hz., 1 ph., 25 L/min | | | |
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 | | Welch 2565 Dry Standard Duty Vacuum Pump | | Part # 2565B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 60 Torr, 3.1 CFM, 88 L/min | | | |
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| | Welch 2565 Dry Standard Duty Vacuum Pump | | Part # 2565B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 60 Torr, 3.1 CFM, 88 L/min | | | |
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 | | Standard Duty Dry Vacuum Pump | | Part # 2567B-50 | | 60 Torr, 4.9 CFM; Suited for Vacuum drying, Dessicating, Aspiration, Degassing, Chamber Roughing, Filtration | | | |
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 | | Welch 2580 Dry Standard Duty Vacuum Pump | | Part # 2580B-01 | | Dry two stage vacuum pump, 115 volts, 60 hz., 9 Torr, 3.5 CFM, 99 L/min. | | | |
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 | | Welch 2581B-24 3.5 cfm 4 Torr Dry Vacuum Pump | | Part # 2581B-24 | | Dry two stage vacuum pump, 115 volts, 60 hz. <4 Torr, 3.5 CFM, 100 L/min. | | | |
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 | | Welch 2585 Dry Standard Duty Vacuum Pump | | Part # 2585B-01 | | Dry single stage vacuum pump, 115 volts, 60 hz., 60 Torr, 7.1 CFM, 201 L/min. | | | |
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 | | Welch 8140 Dry Rotary Vane Rough Vacuum Pump | | Part # 8140B-01 | | Dry rotary van vacuum pump, 115/230 volts, 60 hz., 100 Torr, 4.6 CFM, 130 L/min | | | |
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 | | Welch 8170 Dry Rotary Vane Rough Vacuum Pump | | Part # 8170B-01 | | Dry rotary van vacuum pump, 115/230 volts, 60 hz., 100 Torr, 10.0 CFM, 283 L/min | | | |
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 | | KNF Laboport® PU843 Complete Dry Vacuum Station, 115 volt, 60Hz | | Part # PU843 | | Complete dry, corrosive resistant vacuum station includes PU842 controller, two stage vacuum pump and stand, 6 Torr, 20 L/min, psig 15 | | | |
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 | | KNF Laboport® PU844 Complete Dry Vacuum Station, 115 volt, 60Hz | | Part # PU844 | | Complete dry, corrosive resistant vacuum station includes PU842 controller, two stage vacuum pump and stand, 6 Torr, 34 L/min, psig 15 | | | |
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 | | KNF Laboport® Complete Dry Vacuum Station, 115 volt, 60Hz | | Part # PU845 | | Complete dry, corrosive resistant vacuum station includes PU842 controller, two stage vacuum pump and stand, 1.5 Torr, 34 L/min, psig 15 | | | |
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