... , fluoride rubber, Buna-N rubber and Teflon. 3. QBY air diaphragm pump not only can exhaust the flow liquid, but also can ... flowed medium. Main Usage: 1. The pump can suck the peanut, pickles, tomato slurry, red sausage, chocolate, hops and syrup etc. 2 ... . The pump can suck the paint, pigment, glue ...