Flojet Quad 4000 Four Piston Demand Diaphragm Pumps. R4100-143A. R4105-343A. R4105-503A. R4300-142A. R4300-143A. R300-242A. R4300-342A. R4300-500A. R4300-501A. R4300-504A. R4300-530A.

Flojet 4000 Series Demand Pumps. Flow up to 18.5 Lpm. Built-in pressure/demand switch. 12, 24, 115, 230 Volt options. Viton, EPDM & Santoprene seals. ITT Flojet developed the quad pumps to deliver higher flows up to 19 LPM using a four-piston design with excellent self-priming capability. Built-in pressure switch automatically starts and stops pump instantaneously when discharge valve opens and closes. Compact design and plug-in port fittings make installation easy. Can run dry without damage and handle liquids up to 54° C (130° F). No metal contact with liquid being pumped. Ball bearing drive throughout pump and motor assures longer pump life. Excellent self-priming capability. Pump may be located above the liquid level. Powerful, permanent magnet motor with low current draw and long life brushes