Specific Systems Exterior Wall Mounted Cooling Unit , Packaged Rooftop Unit, Pressurization Unit, Air Stack

Specfic Systems Building Purge & Pressurization Systems -  

NEPA-496 Compliant Alone Purge & Pressurization Equipment   

Capacity :   1500 - 12000 CFM

NFPA-496 Compliant Stand Alone Purge & Pressurization Equipment

contain an atmosphere inside a building that is conducive to allowing equipment 

to operate effectively Specific Systems® InPac® PPUs are designed and 

manufactured to provide those necessary interior conditions.

Features and Benefits Overview

Available in general purpose and explosion proof configurations

Up to 12,000 CFM of purge air to maintain minimum pressure of 0.1in w.c.

Industrial grade motor and direct drive blowers

Industry standard voltage configurations, including: 480V 3ph 60Hz; 575V 

3ph 60Hz; 380V 3ph 50Hz

NFPA 496-compliant to type X, Y, or Z purge

16-gauge hot-dipped galvanized steel cabinet

Small unit footprint requires minimal maintenance clearance

Wired for high level, low level, and fail using Form C contacts, allowing remote 

notification of alarms

Recommended Options

Air-inlet mounted combustible gas monitor

Building-interior mounted combustible gas monitor

Explosion-proof heating elements (often required in some applications)

Electric heat up to 40kW

316 stainless steel or aluminum cabinet

Chemical filtration to prevent infiltration of toxic and corrosive chemicals

25ft above grade stack packages for NFPA 496-compliant systems                                                                                                                                          

Common Applications                                                                                                                                                                                                             

Energy storage system and E- House , Remote instrumnet enclosure                                                                                                                                                    

 Oil and  natural gas refineries

Some water treatment applications

Offshore oil platforms

Gasoline storage or refueling areas

Flour/feed mills

Grain processing facilities

Paint booths

Textile manufacturing plants

Chemical manufacturing plants

Large scale lumber facilities