Offering stroke rates from 120–300 strokes/min, Z Series Solenoid Diaphragm Metering Pumps are suited for chemical dosing systems. Units have 1-piece molded PVDF pump head, double check valves with dual ceramic balls, integral degassing valve, solid PTFE diaphragm, and glass reinforced polypropylene housing. Front facing controls and tube connections facilitate installation. Operating from 100–240 Vac, 50–60 Hz supply, NEMA 4X rated pumps provide 4–20 mA or pulse inputs/outputs.