Diaphragm Pumps Ltd

Smicrolib Air Operated Double Diaphragm (AODD) Pumps are becoming the most common pumps for use when Only Air is available or when pumping solid laden liquids or slurries. Smicrolib Diaphragm Pumps have no seals as the diaphragm acts as the barrier between the Liquid side and the drive side of the pump. When the liquid pressure reaches the air pressure, the Smicrolib pump reaches a point of balance and stalls without the need for bypasses or overload protection.Smicrolib Diaphragm Pumps pump can run dry indefinately and have the ability to self prime to 7 metres or more in some cases. They can handle viscosities up to 20000 Centipoise as standard and some Smicrolib models can handle cPs into the 100's of 1000's. Smicrolib Pumps are some of the most reliable AOD's in the marketplace, Self Priming, Dry running, Intrinsically safe, these are just a few of the features of Smicrolib Diaphragm Pumps. Models include pumps for pumping hygienic products, aggressive chemicals aswell as standard industrial duties. High pressure models are also available for filter press applications or for pumping into closed systems. ATEX regulated Smicrolib pumps are offered for Zone 1 environments. Smicrolib Pumps and spares are available from Diaphragm Pumps Ltd, Stoke On Trent, England. As one of the largest stockists of pumps and spares in Europe, we hope we can supply all your Smicrolib Pump needs.

SuperMicrolib 2"

Electric Driven - Libellula

Available in AISI 304 and 316 with Diaphragms and Valves of Neoprene, Dutral, Hypalon, Nitrile Rubber, Atoxic Rubber & Atoxic Silicon.

microLib Flow curve - Libellula

Performance Curve for SuperMicrolib


Handling 20mm Solids at up to 1 Bar Head or 75 l/min. Self Priming 5 Metres