Expo Technologies are experts in electrical protection by purge and pressurization We have worked with hazardous area equipment manufacturers for more than 60 years and have supplied more than 17,000 purge systems and 2,500 pressurized enclosures We work with end users, integrators, and OEMs across a wide range of industries, including oil gas, chemical petrochemical, pharmaceutical biotechnology, and power generation.

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 ** White Paper on Purge and Pressurisation Advantages, Methods and Guidelines