TYPE Y & Z NFPA 496 ENCLOSURE PRESSURIZATION UNIT Bulletins

Technical Bulletins

Please scroll down to access our complete library of Technical Bulletins for our Enclosure Pressurization Units, presented in full color high and low resolution PDF versions!

In the first section, you’ll find our Unit Technical Bulletins that provide complete details about our Pressurization Units.  In the next section, you’ll find Technical Bulletins for all essential Pressurization Unit Accessories.  Finally, in the last section, you’ll find our highly detailed Unit Installation, Operation and Maintenance Manuals, which provide all critical details in a crisp, clean format.

Each Icon opens the high resolution version, while the link buttons provide high and low resolution options.   For your convenience, all links will open to a new tab or window where you may review the documents, and print or save them as a PDF to easily share with your colleagues!

Pressurization Unit Technical Bulletins

These documents will open in a separate window for your convenience.

Model 101A
Purge & Pressurization Unit
Class I: 2 CF Max / Class II: 10 CF Max

Model 101B
Purge & Pressurization Unit
Pressurization Unit Class II: 50 CF Max

Model 101C
Purge & Pressurization Unit
Pressurization Unit Class II: 250 CF Max

Essential Pressurization Unit Accessory Technical Bulletins

These documents will open in a separate window for your convenience.

Model BCK
Bulkhead Connection
Fitting Kits

Model EPSK
Enclosure Pressure
Loss Alarm Switch Kits

Model EWN
Enclosure Pressure &
Temperature Warning Labels

Model PMGK
Universal Unit
Panel Mount Gasket Kit

Model RAD
Remote Beacon & Horn
Alarm Devices

Model RR
Overpressure Protection
Redundant Regulators

Pressurization Unit Installation, Operation & Maintenance Manuals