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Edward Lowton
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Pumps for low flows and high pressure
09 March 2015
MTH regenerative turbine pumps are said offer reliable, economic pumping in applications involving low flows (130L/min), high pressures (to 70 bar) and heads to 600m.

The MTH range is suitable for applications such as boiler feed, high pressure cooling, refrigeration and CIP process. The company says 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 special 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.
Another key feature is the pump's ability to generate a very steeply rising head curve between minimum and maximum flow, ensuring accurate flow control and stable operation.
The standard range of MTH pumps includes models which cover capacities from 1 to 500L/min and pressures up to 70 bar. Construction materials include iron, bronze and 316 stainless steel.
- Gentle pumping action
- No damage to sensitive ingredients
- Liquid assets
- Precise flow control
- Pumps for tough transfer tasks
- Piston pump for thick ingredients
- Product transfer: Gently does it
- Take precise control
- Bellows seal valve suitable for challenging applications
- Easy-clean, self-priming hygienic pumps