Pumps and Glycol Solutions

Just completed two webinars; one on the use of glycols as heat transfer fluids and the other on retrofitting pumps in HVAC applications.  Both of these topics are related in that pumps are used to circulate fluids, including glycols, to transfer heat.  Typical applications for glycol use include the food and beverage industry, HVAC, and process chemical.  Pumps applications not only include the previously stated industries but also, utility; both electrical and water, petrochemical, and plastics, to name a few.  Insurance carriers that cover businesses in these industries need to be concerned because property damage as well as personal injury can occur when spills and pump failures occur.  Corrosion is a major problem in systems using carbon steel piping as a conduit for the transmission of the gylcol.  If not properly mixed and the correct inhibitors added, the glycol solution can be acidic and cause wear to occur in pipes and fittings resulting in leaks and spills, if not carefully monitored.  Similarly, the internal components of pumps can come under attack and fail as a result of the acidic conditions that could arise if the glycol solution is not properly mixed.  However, during such instances, insurance carriers are also considering the possibility of subrogating against a third party in order to recover their expenditures.  Potential defendants would include the company mixing and/or installing the glycol solution, the designer and installer of the piping system, and the selector and installer of the pump used in circulating the glycol.  It should be noted that the internal components of the pump can be selected based on compatibility of the fluid to be circulated.

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