A pump that uses an electromagnet as the driving power. When energized, the electromagnet attracts the solenoid plunger, generating a reciprocating motion moving the diaphragm to deliver a pre-determined amount of fluid.
Tacmina 
PZ, PW, PZD, PZi, PZiG, DCLPW and CLPW
Solenoid-Driven Metering Pumps are suitable when a wider control band of discharge volume is required or when complex control using external signals is required.