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Diaphragm Hand Pump
Diaphragm Hand Pumps. One of the most popular applications of a diaphragm hand pump is as barrel pump, for emptying drums, barrels and carboys. It can handle all types of liquids, such as clear liquids, liquids containing solids, latexes (shear sensitive liquids/ thyrotrophic liquids), slurries, corrosive liquids. It is ideal for handling of inflammable liquids, such as solvents, as its operation is without friction, and hence is suitable for flame-proof plant conditions. It is self-priming and requires no special mounting.
Just dip suction tube in the barrel and apply handle. It can suck out last drops of liquid from drum. 1" or 1.5" pump is recommended for this duty. It is a low cost substitute for motorized barrel pumps such as Lutz, Graco, etc. It can empty a 55 gallon (2001tr) drum in 8 minutes (1" pump) or 4 minutes (1.5" pump). Depending on the application, these pumps area available in different materials of construction (MOC).