Shivsu canadian clear water technologies [p] ltd makes electronic pump which is a positive displacement diaphragm type actuated by a solenoid and a solid state pulsar ; safety and reliability unavailable in pumps of this size and type until now. Both stroke length and stroke frequency can be adjusted for 100:1 output range. The pump is also capable of responding to external switch closure or remote signals. Sizes : it takes up to 20 liter per hour.
