I hope someone can shed some light on this problem I am having.  I have just installed a new heating system to a production line.  The system is as follows.  I have an open bath containing 2000 Litres (440 gallons) of clean water.  A centrifugal pump capable of pumping 90 Litres (20 gallons) a minute at a maximum pressure of 2.2 bar in installed directly below the bath.  The water is pumped along 36 Meters (118 feet) of 20 millimeter (3/4

2011-08-10

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