Did You Choose the Correct Pump?

lspump powdercoat

CP_Masterflex_LSPump_PowderCoat_07575_20_el2headAll pump types have their advantages and disadvantages, but some are more effective for a particular application than others. View the comparative chart below. Though not exhaustive, it details 14 types of pumps. For even more information on the pumps (such as specific flow rates, if they handle particulates, run dry, and more), go to metering pumps, transfer pumps, centrifugal pumps, hand and drum pumps, peristaltic pumps, and positive displacement pumps.

Pump Type Max Pressure Self-Priming Pulseless Flow Fluid Viscosity Advantages
Air-Operated Diaphragm Up to 87 psi Excellent Fair Medium Low flow, simple operation with one diaphragm.Ideal for OEM or end-use applications.
Bellows Up to 73 psi Good Poor Medium Can pump liquids or gases
Centrifugal Up to 363 psi Poor Excellent Light Fluid transfer at high flow rates and low pressures
Diaphragm Up to 300 psi Good Poor Medium High-accuracy; for applications such as pH/ORP control
Dispensing Up to 125 psi Good Poor Medium Accurate, reproducible flow
Drum Up to 100 psi Poor Excellent Medium Economical. No electrical parts
Gear Up to 100 psi Poor Excellent Medium Pulseless flow at high pressures
Masterflex® Peristaltic Up to 125 psi Excellent Fair Heavy Noncontaminating; available in a wide variety of pump materials
Microfluidics Up to 6000 psi Fair Excellent Medium Low-flow precision fluid distribution
Peristaltic (Other) Up to 125 psi Excellent Fair Heavy Noncontaminating
Piston Up to 5000 psi Good Poor Medium Highest pressure and accuracy; ideal for HPLC applications
Progressing Cavity Up to 360 psi Fair Excellent Very heavy Pulseless flow for highly viscous or particulate-laden fluids
Pump Systems Up to 100 psi Good Excellent Excellent Complete systems configured to your exact needs
Roller Up to 50 psi Excellent Excellent Medium For high-temperature applications where some particulates are present

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