The Dosing Pump is entirely plastic and is resistant to corrosive chemical substances. To operate longer and more reliably, the head, valves, and other components are composed of chemically resistant material. A high-quality solenoid with a hot rating is made to dissipate heat. Pressure and capacity do not degrade even after repeated use. Even in the most demanding applications, a superior diaphragm is made to guarantee a long life. A metal-reinforced diaphragm with a Teflon face guarantees leak-free operation.