GDOZFS series FL, Electronically controlled solenoid diaphragm pump in plastic housing. Functions: Adjustable stroke length from 0 to 100% - External pulse control with up to 100 pulses/min (e.g. by water meter contacts) - Level control connection. Head material: 1.4571, Seal material: Viton for E 03 & PTFE for E 07…E 12. Electrical connection: 230V, 50 Hz, IP 65, ISO CI, F