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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 UL Listed Type Y & Z Purge Units

Type Y & Z
Purge Units

Product Accessories

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

Spark Arresting Purge Vents

Best Purging Systems offers Spark Arresting Purge Vents to provide required protection for your purged enclosure during the fast purging cycle.
They can also relieve other sources of potential internal pressure from sources such as analyzers, flow meters and other process equipment.

These vents mount easily to your protected enclosures, and satisfy NFPA 496 requirements to prevent
excessive pressure from the protective gas supply from damaging your protected enclosure.

Best Purging Systems provides these accessories as a required accessory for all Purge Units!

  Click this image to learn more! Model PV-2, PV-3 & PV-4
-T Top Mount & -S Side Mount
Spark Arresting Enclosure Vents

Prevents over pressurization of the protected enclosure


Operating Temp:

Model PV-2
Mounting Hub Diameter:
Nominal Flow Rate:
PV-2-T Dimensions:
PV-2-S Dimensions:

Model PV-3
Mounting Hub Diameter:
Nominal Flow Rate:
PV-3-T Dimensions:
PV-3-S Dimensions:

Model PV-4
Mounting Hub Diameter:
Nominal Flow Rate:
PV-4-T Dimensions:
PV-4-S Dimensions:

Aluminum w/ Stainless Steel
Filter Element & Fasteners.

-20°F to 140°F

4 scfm
4.5" Tall x 2.5" Diameter
6.5" Tall x 5.25" Overall

1 1/4 "
12 scfm
4.5" Tall x 3.5" Diameter
8" Tall x 5.5" Overall

1 1/2"
30 scfm
6" Tall x 5.5" Diameter
10" Tall x 7.75" Overall

Open this Accessory's Technical Bulletin in a seperate window!

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Use our team-monitored email links below for swift and professional response to your needs...
You may also use the on-line product registration link below to obtain an extended warranty.

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Get full spectrum service from Best Purging for enclosure purging and pressurization solutions Product Registration Form

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:
 8 AM to 5 PM CST, Monday - Friday

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