123ArticleOnline Logo
Welcome to 123ArticleOnline.com!
ALL >> General >> View Article

Prvs For Reversible Building Ventilation

Profile Picture
By Author: Susanna Terlitskaia
Total Articles: 23
Comment this article
Facebook ShareTwitter ShareGoogle+ ShareTwitter Share

American Blowers Co. has introduced a new truly reversible (exhaust and supply roof ventilator for general building ventilation.

The Type CBRE recirculators are designed for use in commercial and industrial applications where there is sufiicient ceiling height to create a temperature differential between the floor and the ceiling. These applications include factories, warehouses and large commercial buildings.

CBRE Roof Recirculators function as regular power roof ventilators in warmer weather and as an energy-saving recirculation air system in cold weather. Each unit is equipped with a reversible fan that distributes warm ceiling air thoughout the plant and reduces the builing's heating requirements. With a flip of a switch it can function as a conventional roof ventilator. There are two unit types: 1) for exhaust and recirculation; 2) for exhaust, supply and recirculation.

Available fan wheel sizes are from 24" to 60", performances: to 50,000 CFM @ 1/2" WG.

The reversible propeller incorporates specifically engineered airfoil sections and hub size for optimal efficiency and physical strength. ...
... Alternate adjustable pitch propeller blades are turned 180 degrees to one another and a double orifice is attached to the fan panel.

Type HS PRVs reliably extract large volumes of hot gases and smoke regardless of building configuration, location and weather conditions. They withstand high temperatures for long periods of time.

Another reliable ventilation system that can operate during a fire is Blowers Depot Type HS Heat and Smoke Roof Ventilator. It prevents smoke logging, allows people to escape quickly, minimizes damages to property and contents and enables firemen to attack the fire without hindrance. These power roof ventilators have the added advantage of providing normal day to day ventilation and in many cases can also be fitted with duct work for use in multi storey buildings.

The concept of venting smoke and heat was first outlined by Industrial Risk Insurers (IRI). Use of powered ventilation could eliminate the problems experienced with gravity vents. Specially designed roof mounted exhaust fans would mechanically vent heat and smoke under emergency fire conditions.

The unique Type HS power roof ventilators provide a solution for emergency heat and smoke venting that is dependable under the most extreme circumstances.

All critical components of HS PTV that exposed to the airstream are ferrous construction to withstand high temperature conditions. These heavy gauge materials prevent warping of fan parts and malfunction at high temperatures. This also insures years of trouble-free service in normal daily operation of the PRV.

Belt and bearings are protected from the air stream by enclosing them in a ventilated tube. Design of HS fan incorporates a heat slinger / impeller. It isolates the fan bearings from damaging heat and draws cooler outside air through the motor compartment and over the belt and bearings. A spring load, fusible link activated device automatically opens dampers when temperature at the fan reaches 165 F. This enables the fan to function as a gravity ventilator prior to powered operation.

Type HC Power Roof Ventilators have been tested to operate:

- conituously at 650 F;
- 3 Hours at 800 F;
- 1.5 Hours at 1000 F;
- 1/2 Hour at 1,200 F.

For additional information please refer to http://www.americanblower.net/upblastfans.html

Susanna Terlitskaia
Industrial Ventilating Engineer
American Blowers Company
nis@primus.ca
http://www.americanblower.net/hoodedfans.html
http://www.americanblower.net/axial.html

Total Views: 282Word Count: 518See All articles From Author

Add Comment

General Articles

1. Blockchain And Ai: Innovative Ways They Can Work Together Shape
Author: QSS Technosoft

2. Join The Vidyavision Student Community
Author: vidyavision

3. Hair Growth 101: Scandinavian Biolabs’ Guide To Healthier, Fuller Hair
Author: Jonson Jon

4. The Ultimate Guide To Ordering Flowers In Barcelona
Author: order flowers Barcelona

5. Máy Hút ẩm Công Nghiệp Kosmen
Author: BPS Việt Nam

6. How Beneficial The Cleaning Products Can Be?
Author: Edward Smith

7. The Role Of Glass Cloth Electrical Tape In Power Transformers
Author: jarod

8. Combatting Carotid Artery Stenosis: Effective Strategies For Prevention And Care
Author: Dr. Sumit Kapadia

9. How Managed It Services Are Shaping The Future Of Support
Author: ICSI

10. Leading System Aluminium Doors & Windows Manufacturer In Amritsar
Author: Sleek Edge

11. Exploring The Opportunities At Anantrao Pawar College Of Engineering
Author: AnantraoPawarCollege

12. Home Remodeling Contractors Around South Lyon
Author: manish

13. Blockdag Crypto Mining Rigs
Author: BlockDAG

14. Discover The Power Of Branding Courses: Boost Your Skills And Advance Your Career
Author: Andrew F.

15. Panorama Test: A Complete Guide To Non-invasive Prenatal Screening
Author: Stan Jan

Login To Account
Login Email:
Password:
Forgot Password?
New User?
Sign Up Newsletter
Email Address: