To choose a CSCI purge system model number, you will need the following three things:

1. The internal volume of the enclosure to be protected in cubic feet. This can be Determined by the following formula:

Volume in cubic feet = height in inches X width in inches X depth in inches
1728

2. The classification of the hazardous location the enclosure will be placed in.
Your compan's documentation or drawings should have this information.

CSCI has a purge system for almost any area requirement:
Class I and II
Division I and II
Groups B, C, and D

3. Mounting location of the purge system on the enclosure. CSCI has standard mounting options for and need:

Right Mount
Left Mount
Top Mount
Bottom Mount
Flush Mount