Jason Norris, Application Engineer, Pepperl+Fuchs, Twinsburg, OH

Articles

Safety Standards October 21, 2005

Calculating purge times for type X, Y and Z systems

In order to calculate the amount of time it takes to complete a full purge cycle, you need to know: %%POINT%%Enclosure volume %%POINT%%Flow rate %%POINT%%Purge media Compressed instrument air If you are using compressed instrument air to purge your enclosure, you can refer to predetermined purge times. These times are represented as a ratio of 1 minute per “X” cubic feet of enclosure volume. The “X” is a variable that changes with different size systems.

By Jason Norris, Application Engineer, Pepperl+Fuchs, Twinsburg, OH