difference type plastic centrifugal pump and hydraulic diaphragm pump with electric motor for conveying, or supply chemical

plastic teflon polymer polypropylene chemical water liquid fluid solution centrifugal pump electric electrical motor conveying supply feed feeder driving transfer transport delivery suction sucked flow pressure tool device component instrument equipment engineering industrial industry compact rotary rotate rotation plumbing head power hosing case impeller propeller hydraulic diaphragm oil double adjustable difference type industrial