Turbine pumps for low flows, high pressures
31 Mar 2015
When a reliable pumping solution is required for applications involving low flows (130 lit/min) and high pressures (up to 70 bar) and heads up to 600 metres, MTH regenerative turbine pumps are the ideal choice.
A good example of this is the MTH M52 pumps recently supplied by Pump Engineering for mechanical seal lubrication and pressurising application in oil production where the benefits of very low NPSH combined with a smooth, balanced performance have been appreciated.
The MTH range of pumps is ideally suited to applications such as boiler feed, high pressure cooling, refrigeration and CIP process.
These compact pumps, which are available in direct drive, bareshaft, magnetic drive and canned rotor options, can replace multistage pumps, generating high heads in only a single stage.
This design allows the pump to handle hot liquids, refrigerants, liquefied gases and liquids with entrained air, for example gas dissolution systems, where the pump will self-vent carrying air bubbles with the fluid to the discharge port.
The regenerative turbine pump is characterised by its unique impeller, which has a large number of blades machined into both sides of its periphery.
Fluid enters the impeller at its outside diameter and is accelerated as it passes from blade to blade exiting the pump, at the same radius as the inlet.
The row of blades located on each side of the impeller minimises axial thrust; in effect, it is two impellers in one, operating within identical channels on the casing and the cover which allows the impeller to float freely and find its own equilibrium.
The standard range of MTH pumps includes models which cover capacities from 1 to 500 lit/min and pressures up to 70 bar.
Construction materials include iron, bronze and 316 stainless steel.
For more information, please visit: www.pumpeng.co.uk
