Tank breather vents are often overlooked as critical safety assets. The consequences from poorly set, calibrated and serviced assets are potentially dire.
Apart from relieving due to changes in fluid level and temperature they must also:
• Prevent fugitive emissions of damaging and invisible flammable vapour clouds.
• Maintain quality of stored media.
Choose a supplier that has experience and knowledge in this field. This is key where tank design pressures are often lower than a party balloon but flow hundreds or thousands of cubic metres per hour.
To get on track for Net Zero by 2050 only buy tank vents that are supplied with a production leak test certificate showing results at 75% of the set point or higher. It is vital then to maintain them with a new leak test certificate every 3 years or less. This has been a requirement in API2000 and ISO28300 since 2008.
Quality vents that perform to the Standards cost a bit more than cheap untested devices but could save hundreds of thousands of pounds throughout their life.
Given that vents are fitted on a tank costing millions, the savings from buying a cheap vent are soon lost and their legacy is damaging for the environment.
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