Small machine shops use a cheap diaphragm pump to circulate coolant. This cheap diaphragm pump handles oils and water‑based fluids without leaking. The corrosion‑resistant body of a cheap diaphra...
A cast iron diaphragm pump with a PTFE diaphragm handles aggressive chemicals. The body of this cast iron diaphragm pump resists many acids and alkalis. Unlike standard elastomers, a cast iron di...
