Above Grade Riser Pipe
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This is a bush pump device page.
The typical feature of this pump is the “Hardwood block” that acts as both, bearing and lever mechanism. The pump is designed that the stand can be directly bolted to the protruding 6” steel casing of the borehole, Ø150 mm NB (Nominal Bore). Three different cylinders are available, the smallest one extend the range to a maximum recommended lift of 80 m. The Bush Pump is not corrosion resistant.
More information: Akvopedia
