Diaphragm vacuum pump systems typically refer to a vacuum pump that is supplied with integrated accessories, including controllers and condensate capture glassware. These systems can be for standard duty applications or designed for corrosive applications common in chemistry labs. The integrated controller permits the scientist to set specific vacuum conditions that optimize any of a number of priorities including sample protection, rate of evaporation, amount of heat required to complement the vacuum, or programmed variable conditions. Scientists often choose a vacuum system instead of a simple pump for the convenience and productivity advantages achieved by relying on an electronic controller instead of operator oversight. An alternative technology sometimes referred to as a vacuum pump system is a multi-user vacuum network in a lab that relies on a single pump to support multiple vacuum workstations.
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| Company | BRANDTECH® Scientific, Inc. | BRANDTECH® Scientific, Inc. |
| Item | VACUUBRAND® MD 1C, Oil-Free Chemistry Diaphragm Vacuum Pump | VACUUBRAND® MD 4C NT, Oil-Free Chemistry Diaphragm Vacuum Pump |
| Catalog Number | 20696603 | 20736403 |
| Price | | |
| Description | 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 |
| Ultimate Vacuum | 2 mbar (1.5 torr) | 1.5 mbar (1.1 torr) |
| Max. Pumping Speed | 25 l/min @60 Hz | 63 l/min @60 Hz |
| Pumping Technology | Diaphragm | Diaphragm |
| Gas Ballast | Yes | Yes |
| Ult. Vacuum w/ Gas Ballast | 4 mbar (3 torr) | 3 mbar (2.2 torr) |
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