Liquiport® diaphragm pumps designed for the metering or transfer of corrosive or neutral liquids in the laboratory. Manual, analog flow rate control on the top of a splash-proof housing. No wetted metal parts. PTFE covered diaphragms, FFPM valves, and polypropylene heads. Self priming. Fluid temperature range 5 to 80 degrees C. Pressure limit protection. Rated for 100-230vac, 50-6OHz.