Pumps are commonly used in the laboratory to provide suction for the filtration or aspiration of samples, and to reduce vapor pressure in instruments such as rotary evaporators and lab ovens.
Continuous-flow pumps, systems for use in hazardous locations, and popular vacuum pumps, including high-vacuum pumps, vacuum systems, and vacuum pump gauges, are available.
Liquid pumps, used to dispense and transfer fluids, come in several types including syringe (look for high-pressure and programmable instruments), peristaltic, and metering pumps.
What to Consider When Choosing a Laboratory Pump?
First, decide what type of pump best fits your needs. If you’re shopping for a vacuum pump, for example, determine how deep a vacuum is required. Evaporative applications or freeze drying each require different vacuum levels. Would a rotary vane (oil), diaphragm (oil free), or turbomolecular pump (which can reach 10–10 Torr) pump be best?
Next, consider parameters such as flow rate, the need for a corrosion-resistant flow path, and manual versus automatic control.
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