GDOZEPC series DE, Microprocessor-controlled solenoid diaphragm pump in plastic housing. Functions: Adjustable stroke length from 0 to 100% - Adjustable stroke frequency from 0 to 70 strokes/min - Changeable to external pulse control with up to 70 strokes/min (e.g. by water meter contacts) - Connection for level control and alarm signaling. Head material: PVC, Seal material: Hypalon. Electrical connection: 230V, 50 Hz, IP 65, ISO CI, F