Diaphragm vacuum pumps represent one of several pump designs ideal for creating vacuum conditions in the laboratory. As they avoid the need for pump oil, diaphragm pumps offer much higher corrosion resistance and typically require much less service support than oil-sealed pumps. Operators working in lab environments often choose a diaphragm vacuum pump for applications in which chemical resistance is important. The ultimate vacuum of a diaphragm pump can reach as low as 0.3 Torr, which is sufficient to handle most suction and evaporative applications in the lab. Chemically resistant PTFE pump heads ensure long operating life, allowing these diaphragm pumps to serve corrosion-prone rotary evaporators, or flask and bottle evacuations, all without contaminated aspirator water.
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| Company | BRANDTECH® Scientific, Inc. | BRANDTECH® Scientific, Inc. | BRANDTECH® Scientific, Inc. |
| Item | VACUUBRAND® MD 1, Oil-Free Diaphragm Pump | VACUUBRAND® MD 1C, Oil-Free Chemistry Diaphragm Vacuum Pump | VACUUBRAND® MD 4C NT, Oil-Free Chemistry Diaphragm Vacuum Pump |
| Catalog Number | 20696083 | 20696603 | 20736403 |
| Price | | | |
| Description | The MD 1 diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. The oil-free design contributes to clean processes as well as eliminating the time and expense related to oil-changes. With The MD 1 diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. The oil-free design contributes to clean processes as well as eliminating the time and expense related to oil-changes. With an ultimate vacuum of 1.5 mbar, the MD 1 is an easy-to-use pump that supports a variety of deep vacuum lab and analytical applications for non-corrosive gases.... Read More | The MD 1C chemistry diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. Chemically-resistant wetted materials made from fluoroplastics allow the pump to be used with aggressive gases and The MD 1C chemistry diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. Chemically-resistant wetted materials made from fluoroplastics allow the pump to be used with aggressive gases and vapors. The oil-free design contributes to clean processes and products as well as eliminating the time and expense related to oil-changes. The MD 1C supports a variety of lab applications, including rotary evaporation of high-boiling solvents.... Read More | The MD 4C NT chemistry diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. Chemically-resistant wetted materials made from fluoroplastics allow the pump to be used with aggressive gases The MD 4C NT chemistry diaphragm vacuum pump delivers exceptional performance in a compact, durable and low-maintenance design with typical service intervals up to 15,000 operating hours. Chemically-resistant wetted materials made from fluoroplastics allow the pump to be used with aggressive gases and vapors. The oil-free design contributes to clean processes and products as well as eliminating the time and expense related to oil-changes. With high pumping speeds and an ultimate vacuum of 1.5 mbar, the MD 4C NT supports a variety of lab applications, including rotary evaporators, vacuum concentrators and drying ovens.... Read More |
| Type | Oil-Free | Oil-free | Oil-free |
| Ultimate Vacuum | 1.5 mbar (1.1 torr) | 2 mbar (1.5 torr) | 1.5 mbar (1.1 torr) |
| Max. Pumping Speed | 23 l/min @60 Hz | 25 l/min @60 Hz | 63 l/min @60 Hz |
| Pumping Technology | Diaphragm | Diaphragm | Diaphragm |
| Gas Ballast | Inquire | Yes | Yes |
| Ult. Vacuum w/ Gas Ballast | Inquire | 4 mbar (3 torr) | 3 mbar (2.2 torr) |
| Get Quote | | | |