... occasion.Electric diaphragm pump main purposes: a variety of toxic, flammable, volatile liquid. a variety of acids, alkalis, strong corrosive liquids. ... , paint binder. axoplasm of porcelain mortar cement grout slurry. a variety of latex emulsions, organic solvents, fillers. tanker barge clearance with ... pump shaft, tunnel, tunnel, sewer water, sediments. absorption send a variety of special media.