Š Pessina Angelo Srl
Opening photo: Two industrial valves after the application of an elastomeric coating performed by Pessina Angelo Srl.
FOCUS ON TECHNOLOGY
Elastomeric Coatings for Industrial Valves: a High-Performance Technological Solution Alessia Venturi ipcmÂŽ
T
he importance of corrosion in industrial activities stems from its
requirements is clearly growing. The use of valves with an interception
economic impact. In industrialised countries, the cost of corrosion
and regulation function in industrial and energy fields is synonymous
equals to around 3-4% of their gross domestic product, if calculated
with high pressures, high temperatures, and aggressive chemicals:
as the sum of direct damage costs (replaced materials, replacement
the corrosive effect of mixtures of substances such as hydrochloric
operations, etc.) and indirect damage costs (loss of production, system
acid, sulphuric acid, and hydrofluoric acid, combined in different
downtime, pollution, etc.). Given that corrosion as a natural phenomenon
percentages and with variable operating temperatures, should never be
cannot be eliminated, but only stopped or limited, the application of
underestimated.
protective coatings of various kinds is the only weapon available to man to
Elastomeric coatings in rubber and/or ebonite are a technically valid
limit the damage caused by it.
and widely tested protection solution for metallic materials against
In the oil & gas and energy production industries, the demand for reliable
corrosion, abrasion, and wear, even in particularly harsh cases. They
and durable valves capable of meeting increasingly complex process
can be successfully applied on tanks, filters, reactors, towers, tanks,
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N. 29 - 2019 APRIL - ipcmÂŽ Protective Coatings