COVID-19 Update:

The New York Blower Company is committed to supporting and supplying necessary equipment to meet the critical demands of the supply chains essential to aid America in this time of need. NYB will keep our factories open and operational while practicing social distancing and all other recommended practices put forth by the CDC. If you have particular questions, please visit our contact us page located here.


Centrifugal Roof Ventilators

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NYB Centrifugal Roof Ventilators (Upblast and Downblast) are designed for commercial and industrial ventilation systems to exhaust air from processes and buildings.


The New York Blower Company certifies that the Centrifugal Roof Ventilators are licensed to bear the AMCA Seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and comply with the requirements of the AMCA Certified Ratings Program.

  Centrifugal Roof Ventilators PDF Brochure
Wheel Design: Backward Inclined-Single Thickness
Wheel Design

Backward Inclined-Single Thickness

Design Features:

VOLUME - to 35,130 CFM (59,690 m3/hr)

PRESSURES - to 3 1/4" WG (810 Pa)

TEMPERATURES - to 180°F (82°C)

NINE SIZES - 24"-84" (610mm-2,134mm)

ARRANGEMENTS - Upblast Downblast

Available Materials of Construction:


Guide Specifications: Specifying Centrifugal Roof Ventilators (GS-750)
Engineering Supplements: Centrifugal Upblast Roof Ventilators Model TXB (ES-742) Centrifugal Upblast Roof Ventilators Model TXD (ES-743) Centrifugal Downblast Roof Ventilators Model RED (ES-744)
Installation, Operation & Maintenance Manual: IM-210
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