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Hi. Do north American installers use pressure relief vents for gas suppression systems or do they rely on natural leakage?

Question asked by on Mar 3, 2017

I have been a designer of pressure relief and blast vents in the UK for the last 10 years. I conduct a lot of research and testing of over pressurized compartments and my designs are sold all over the world but very rarely in the USA. I'm wondering if this is because there is a different system used or if vents are rarely used and natural leakage is relied on?

My vents are also used for the protection of buildings housing electrical switch gear units and again am wondering if such applications are required int he USA. 

Any answers of information would be very much appreciated.



Chris Coxon