The necessary effect (or power consumption and power peaks) would principally be a combination of Magnetic pumpsmany factors, main beeing the pressure class rating of the solenoide valve (eg what max working pressure constructed for, but also the minimum pressure necessary by forced lifting and pilote operated valves), the construction type of theSuber-water pumps valve (from direct acting, through forced lifting (assisted by the line pressure difference) through to completely pilote operated valve) and also the quality of the Screw pumpsconstruction and the actual bore (Cv) of the valve. Note: a 1/4 inch valve may vary from fully open (6mm) -to 2mm or less. As such all theseSelf-priming pumps values would vary fairly much, and also be depending on local conditions on water nets, local Chemical pumpscurrencies and solenoid (magnet construction and quality itself) and not at least DC or AC conditions. There has also through the last 10 to 20 years been a marked improvment in constructions succeding to limit the power consumption.

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