Pumps (liquid, other)

Understanding Laboratory Pumps for Liquids and Other Substances

Pumps designed for laboratory use are specialised devices that facilitate the transfer, circulation, or aspiration of liquids, gases, or sometimes even slurries. Typical applications include chemical synthesis, pharmaceutical research, environmental testing, and biotechnology. Various pump types such as peristaltic, diaphragm, piston, and vacuum pumps serve different needs based on flow rate, pressure requirements, chemical compatibility, and precision.

When selecting a laboratory pump, important considerations include:

• Flow rate and volume control: Essential for accurate dosing and steady fluid movement.
• Chemical resistance: Compatibility with solvents, acids, or alkaline substances to avoid corrosion or contamination.
• Pressure capacity: Determines suitability for filtration, vacuum generation, or high-pressure fluid transfer.
• Pump type: Mechanical design affects shear sensitivity, pulsation characteristics, and maintenance needs.

Common terminology related to these devices includes "displacement pumps," "positive displacement," and "vacuum pumps." These terms reflect the mechanisms by which fluids are moved within the laboratory's controlled environment. QuestPair offers a diverse range of second-hand and refurbished pumps suitable for various scientific purposes, providing cost-efficient access to essential lab equipment.