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UL Listed NFPA 496 Type Y & Z Electrical Enclosure Purging and Pressurization Systems America's Best UL Listed NFPA 496 Type Y & Z Electrical Enclosure Purging & Pressurization Systems
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NFPA 496 Type Y & Z
Pressurization Units

NFPA 496 Type Y & Z
Purge Units

Purge & Pressurization
Unit Accessories

Purgeable Instrument
Access Doors

NFPA 496 Type Y & Z Enclosure Purge Units

NFPA 496 Type Y & Z
Purge Units

Technical Bulletins

America's Best NFPA 496 Type Y & Z Enclosure Purging Units

These two page full color technical bulletins provide all essential information to make an informed purchasing decision.

Beginning with product descriptions, operation and unit specifications the bulletins also include complete technical details, including component arrangement images, mounting plate and flange dimensions, a model number segment designation guide, detailed material specifications, and hyperlinks to all essential accessory technical bulletins.

Click any image or link below to open these documents in high or low resolution versions in a new window. 

You may then review them, print or save them as a PDF, and easily share these comprehensive technical bulletins with your colleagues!

Purge Unit Technical Bulletins


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Model 102
Purge Unit
Class I: 15 CF Max

NFPA 496 Type Y & Z Model 102 Enclosure Purging Unit

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High Resolution Version (1.77 MB)
Low Resolution Version (1.22 MB)

Model 103
Purge Unit
Class I: 75 CF Max

NFPA 496 Type Y & Z Model 103 Enclosure Purging Unit

Document Download Links

High Resolution Version (1.68 MB)
Low Resolution Version (1.14 MB)

Model 104
Purge Unit
Class I: 250 CF Max

NFPA 496 Type Y & Z Model 104 Enclosure Purging Unit

Document Download Links

High Resolution Version (1.70 MB)
Low Resolution Version (1.15 MB)
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Best Purging Systems Corporation
Physical Address: 4725 Lawndale Street, La Marque, Texas 77568
Mailing Address:  P.O. Box 68 Hitchcock, Texas 77563
Phone: (844) 787-4348     |   Fax: (409) 935-5819
Office Hours:
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