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Industrial Duty Wall & Remote Mount NFPA 496 Building Pressurization Units

Model WDP & RDP
Wall & Remote Mount NFPA 496
Building Pressurization Units

Unit Case Styles & Materials

explosion-proof building pressurization units, hazardous location building pressurization units, classified area explosion proof building pressurization units


We also offer Custom Coatings!
Bebco offers optional coatings of your preference!
Please ask a Bebco Sales Associate for more information...

Bebco Model WDP and RDP Whisper Drive™ Building Pressurization Units are offered in three case styles with sprayed urethane, epoxy powder coated or custom coating options to satisfy your unique and particular applications.

Case Style IC is formed from 14 gauge seal-welded galvannealed steel material. Maximum corrosion resistance is ensured by carefully cleaning all parts after fabrication, applying a wash primer to create a finish bond and then applying a sprayed urethane or epoxy powder coat finish to all individual parts, prior to assembly. To further enhance quality, the exterior surface of the case, doors and cover plates also receive a sprayed urethane or epoxy powder coat finish, as selected at time of order! This case style is intended for use in areas with no significant exposure to coastal environments, salt spray, corrosive vapors or volatile gases and liquids.

Case Styles ES and EX are formed from 14 gauge seal-welded 304 or 316 grade stainless steel materials. Although many people may believe stainless steel material is resistant to corrosion, we know even stainless steel can oxidize or tarnish over time, especially in harsh industrial environments, so we also coat ES and EX cases with the same finish as applied to IC Case Style cases, to ensure years of durable performance in extremely corrosive environmental conditions. These case styles are specifically intended for use in areas with moderate to significant exposure to coastal environments, salt spray, corrosive vapors or volatile gases and liquids.


Bebco provides three Whisper Drive™ case styles with optional case coatings
to meet your requirements for passive to extremely corrosive environments.


Click images below to learn more!





 Case Style IC
This case style is intended for passive chemical processing
and refining facilities and onshore environments.

The case, rear door, interior petitions, and motor mounting bracket of all Model WDP & RDP Units are constructed from 14 gauge urethane sprayed or epoxy powder coated galvannealed steel, while all fan venturi rings and intake stack port cover plates, along with the control enclosure cover, interior trim bezel and exterior angle flange brackets of Model WDP Units are constructed from 18 gauge urethane sprayed or epoxy powder coated galvannealed steel.

To enhance overall corrosion resistance or match the finish or
color scheme of a building, IC style cases can be provided
with a custom finish, using any brand, color and application
method you prefer, as specified by you at time of order!











 Case Styles IS & IX
These case styles are intended for mild to highly corrosive chemical processing and refining facilities, coastal and offshore environments.

The case, rear door, interior petitions, and motor mounting bracket of all Model WDP & RDP Units are constructed from 14 gauge urethane sprayed or epoxy powder coated 304 or 316 grade stainless steel steel, while all fan venturi rings and intake stack port cover plates, along with the control enclosure cover, interior trim bezel and exterior angle flange brackets of Model WDP Units are constructed from 18 gauge urethane sprayed or epoxy powder coated 304 or 316 grade stainless steel steel.


To enhance overall corrosion resistance or match the finish
or color scheme of a building, IS and IX style cases can
be provided with a custom finish using any brand, color
and application method you prefer, as specified by you at
time of order!

Bebco Model WDP Wall Mount Whisper Drive™ Unit Case Styles & Materials

Model WDP Wall Mount Units


Bebco Model RDP Remote Mount Whisper Drive™ Unit Case Styles & Materials

Model RDP Remote Mount Units

Bebco's Model WDP & RDP Whisper Drive™ Unit Cases are manufactured to perform reliably
under any conditions ranging from moderate to extremely harsh conditions, as a superior
solution for pressurizing control rooms, analyzer buildings and motor control centers!



Bebco Environmental Controls Corporation
Physical Address: 4725 Lawndale Street, La Marque, Texas 77568
Mailing Address: P.O. Box 68 Hitchcock, Texas 77563
Phone: (844) 397-4822     |   Fax: (409) 935-5819
Office Hours:
 8 AM to 5 PM CST, Monday - Friday
Please visit this site for NFPA 496 UL Classified Enclosure Purging Systems:
Best Purging Systems Corporation

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