The two systems became one in 1931, when a treble ram vertical pump was installed, driven by the existing turbine.
3.
Sundyne manufactures multistage pumps with a single gear box ( HMP Line ), horizontal BB series ( Marelli ), and V series vertical pumps ( Marelli ).
4.
The company has made a series of acquisitions in the water pumping industry, including The Little Giant Pump Company, JBD ( formerly the pump line of Jacuzzi ), Monarch Pumps, Centrifugal pump lines from Pioneer Pump, CAL pumps, Western Pump, Schneider Motobombas, Denorco Pumps, and a controlling share of Vertical Pumps of Italy.
5.
Pumping engines of this vintage used a vertical pump rod, with a bucket pump at the bottom of the shaft . This could lift water from an appreciable depth, developed for the needs of Cornish tin mining, but they had only low delivery pressure at the top of the shaft . The engine was thus placed near to where the water was to be delivered, rather than its source.
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