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Free Tech' Info'

Viscous fluids and pump selection

Click here for free technical page (3 page PDF)

Rotodynamic Pumps
These pumps are used
for fluids genrally less than
300 Centipoise
They include centrifugal
submersible, axial flow

Centrifugal end suction pump
Centrifugal end suction

Peristaltic (hose) Pumps
These pumps are ideal for viscous (e.g. 100,000cP +) and fluids that may crystallize, are chemically aggressive or abrasive. Our Larox range use a patented unique roller design that simply squeezes the fluid around the pump hose, this squeezing action provided by the Larox design is perfect for sensitive fluids such as Biomass where the sludge Floc will fail if subjected to high mechanical or hydraulic forces 

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Reciprocating Positive Displacement 
This type of pump has a constant flow profile, they will deliver a precise repeatable flow at a specific pressure. These are precision instruments They are piston / plunger pumps, mechanical diaphragm, hydraulic diaphragm

Reciprocating PD Pumps
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Metering pumps