ChemFeed metering pumps feature a heavy-duty head with PVDF bullet cartridge valves. Each valve has two ceramic checks, which are double
sealed with high-grade Viton and TFE/P O-rings. The double-ball-valve design is said to provide enhanced priming and very good purging of air and gas. Pumps also feature a dial-type, top-mounted output control and NEMA 3R (IP23) enclosure. They are available for pressures to 125 psig, temperature to 130° F, fluid viscosity to 1,000 Centipoise, and suction lift to 10 ft.
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