CDR Pumps release 'RunSafe' dry running mag drive pump bearings
For many years Silicon Carbide has been used as the preferred material for use in magnetic drive pumps for bearings, due to the exceptionally good wear characteristics and corrosion resistance they offer for handling corrosive and toxic duties, as well as being an ideal selection for handling corrisive liquids.
While this is still, and will remain the preferred material, CDR Pumps have developed an innovative ‘RunSafe SiC' bearing concept, that has proved to offer even further extended life , even when pumps totally dry-run.The RunSafe system consists of a carbon like layer being applied to the surface of the Silicon Carbide by a special process, the result being that the co-efficient of friction is drastically reduced, thus reducing friction, and in turn heat generation, hence the bearings are far more forgiving in situations of dry running, or indeed with low boiling point liquids or potential priming problems.
CDR Pumps have extensively tested the bearing material at their state of the art manufacturing facility in Milan, however, from an engineering point of view, we would still strongly recommend installing dry run protection monitors as the initial safety protector, but plant operators and Engineers can be safe in the knowledge that if the pumps do suffer from adverse operating conditions, the pumps will be safe form catastrophic failure.
Posted Date: 01st Nov 2011