HVAC FEATURE
AVOIDING CORROSION IN HVAC & PROTECTING EMPLOYEE HEALTH W
hen installing a HVAC system, the main aim is usually to heat or cool the environment for employee comfort. Often
underestimated is the impact that HVAC systems can have on employee health. Corrosion, caused by the presence of chemicals, is one of the biggest threats to HVAC systems and indicates an unsafe environment for employees. Corrosion damage and its consequences in HVAC systems are discussed below.
WHAT IS CORROSION DAMAGE? Corrosion mainly occurs in metals when they react with their environments; their refined form turns into stable form, for example, oxides and sulphides. Put simply, corrosion is the slow death of metals. For HVAC systems, this can mean components become damaged and need to be replaced regularly, costing time (often system downtime) and money. Furthermore, the chemical vapours that cause corrosion can also result in life- changing illnesses and physical conditions in environments where HVAC systems are critical and not just for comfort. Such environments include laboratories, chemical storage and dosing areas, water treatment plants, manufacturing process areas, acid baths, offshore and waste recycling plants. As metal corrosion indicates the presence of harmful chemical
vapours, it should act a clear warning to those responsible that employee health is in danger in that environment. Case studies of neglect on this account demonstrate the consequences of inadequate HVAC systems. Corrosion damage will negatively impacted the performance of the HVAC system, making it less effective over time. This
means harmful chemical vapours will not be effectively removed from the environment and instead breathed in by employees. Therefore, there is a direct relationship between the ability of the HVAC system to resist corrosion and employee health. It is paramount for environments where harmful substances are used to ensure corrosion resistant HVAC systems are installed. This will not only protect employee health, but also ensure that costly downtime, maintenance and replacements are not necessary. Axair’s polypropylene fans are corrosion resistant and extremely durable, making
them the ideal solution to protect employee health in harsh environments. Contact their team for more information.
www.axair-fans.co.uk T: +44 (0) 1782 349 430
FACTORY EQUIPMENT | SEPTEMBER 2019 27
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