Profile: Neptune Chemical Pump Co. manufactures chemical metering pumps including hydraulic diaphragm metering pump, electronic diaphragm metering pump, fertilizer pump, chemigation pump and accessories. We offer metering pumps, packaged chemical feed systems, fertilizer & chemigation pumps, glycol feeders, electronic pumps, polymer makedown system, by-pass feeders, bromine feeders, custom chemical feed systems, accessories, agitators and spare parts. Our Neptune hydraulic diaphragm metering pumps are typically used for chemical metering in process and agricultural industries. Our chemical metering pumps are avavilable for high and low pressure applications with manual and electronic stroke control.