Low Head, Low Flow Diaphragm Pumps – A diaphragm pump is a positive displacement pump appropriate for moving small amounts of water at low heads. It will pump at least some water even in low light conditions. SunPumps here in Arizona makes a bronze and stainless steel pump series with flow rates up to 14 litres per minute and depths of 70 meters. Shurflo also makes a diaphragm pump with a plastic case that can pump up to 7 litres per minute at 70 meters.


SunPumps SDS Series and PCA-30-M1 Series Manual

SunPumps SDS Series Data Sheet

PCA-30-M1D Data Sheet

SunPumps SDS-T series Data Sheet