Centrifugal Roof Ventilators
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HOODED • Exhaust or supply • Capacities to 106,000 CFM • Static pressures to 3/4"WG UPBLAST • Belt-drive or direct-drive • Capacities to 118,000 CFM • Static pressures to 3/4"WG _ THE NEW YORK BLOWER COMPANY 7660 Quincy Street Willowbrook, IL 60527-5530 Visit us on the Web: http://www.nyb.com Phone: (800) 208-7918 Email: nyb@nyb.com

HOODED ROOF VENTILATORS MODELS NYPEB/NYPED/NYPSB/NYPSD BELT-DRIVE or DIRECT-DRIVE EXHAUST or SUPPLY DESIGN FEATURES • Nine sizes— from 24” to 84” in diameter. • Airflows— 3000 to 106,000 CFM, up to ⁄ ”SP. • Weather-protected— wide hood overhang for storm protection, weather-tight housing construction. can be pivoted for rooftop access to fan • Maintenance— hood of service. Large removable panel is supplied components and ease 34 AMCA SEAL The New York Blower Company certifies that the Models NYPEB, NYPED, NYPSB, and NYPSD Hooded Roof Ventilators shown herein are licensed to bear the AMCA...

Model NYPEB Belt-Drive/Exhaust performance ratings Fan * These models have fixed-pitch motor pulley. • Performance shown is for installation Type A: Free Inlet, Free Outlet. Performance ratings do not include the effects of appurtenances in the airstream. Power rating [BHP] does not include drive losses. • On Style H, die-formed steel blades are standard. On Style C, an adjustable-pitch propeller with cast-aluminum airfoil blades is standard. • The sound ratings shown are loudness values in fan sones at 5 ft. [1.5m] in a hemispherical free field calculated per AMCA Standard 301. Values...

Model NYPED Direct-Drive/Exhaust performance ratings Fan See page 5 for performance-table notes.

Model NYPSB Belt-Drive/Supply performance ratings Fan * These models have fixed-pitch motor pulley. Note: For performance ratings with filters, see Engineering Supplement ES-753. • Performance shown is for installation Type A: Free Inlet, Free Outlet. Performance ratings do not include the effects of appurtenances in the airstream. Power rating [BHP] does not include drive losses. • On Style H, die-formed steel blades are standard. On Style C, an adjustable-pitch propeller with cast-aluminum airfoil blades is standard. • The sound ratings shown are loudness values in fan sones at 5 ft....

Model NYPSD Direct-Drive/Supply performance ratings Fan See page 5 for performance-table notes. Note: For performance ratings with filters, see Engineering Supplement ES-752.

Upblast Roof Ventilators Models 6-PART SIZING NOMENCLATURE Belt-drive [or D for Style direct-drive] NYJBH/NYJBHX/NYJBC/NYJDC BELT-DRIVE or DIRECT-DRIVE DESIGN FEATURES • Ten sizes— from 18" to 84" in diameter. • Airflows— 2300 to 118,000 CFM, up to 3/4"SP • Materials— housing and curb cap are constructed of heavy-gauge steel. Dampers are of translucent FRP Wind shroud is galvanized steel. • Coating— parts requiring coating receive an epoxy powder coating, average 3 mil thickness, baked at 400°F. Impact and chemical-resistant. • Field adjustment— most belt-drive ventilators...

blast Model NYJBHX Belt-Drive performance ratings Fan blast Model NYJBC Belt-Drive performance ratings Fan * These models have fixed-pitch motor pulley. • Performance shown is for installation Type A: Free Inlet, Free Outlet. Performance ratings do not include the effects of appurtenances in the airstream. Power rating [BHP] does not include drive losses. • Formed steel blades are standard on Model NYJBHX. Adjustable-pitch aluminum blades are standard on Model NYJBC. • The sound ratings shown are loudness values in fan sones at 5 ft. [1.5m] in a hemispherical free field calculated per AMCA...

blast Model NYJDC Direct-Drive performance ratings Fan See page 8 for performance-table notes. An adjustable-pitch propeller with cast-aluminum airfoil-shaped blades is standard. The number of blades and pitch angle for each model is indicated.

ACCESSORIES HOODED ROOF VENTILATORS Back-Draft Dampers Automatic or motor-operated Type S back-draft damper suitable for most applications. Heavy-duty motorized Type RP back-draft damper specifically designed for reversible airflow. Features .080 extruded aluminum blades, .125 extruded aluminum frame, and heavy-duty damper motor. No fan delay is necessary. Bird Screen Model NYPS-F units include filters for mounting during installation. Filters are 2-inch thick, permanent, cleanable, and designed to handle velocities to 650 feet-per-minute to maximum temperature of 120˚F. Contact your New...

Dimensions Not to be used for construction unless certified. Hooded Roof Ventilators BELT-DRIVE Hooded Roof Ventilators direct-drive Typical exhaust Dr AIR FLOW E C Typical supply Dimension B is overall height above curb. Dimension C is inside curb-cap flange. Dimension D is distance from curb to hood. Dimension E is damper net length and width, flanges add 1n/i6 inches on all sides. Typical exhaust Typical supply Dimension B is overall height above curb. Dimension C is inside curb-cap flange. Dimension D is distance from curb to hood. Dimension E is damper net length and width, flanges add...

COMPLETE SELECTION OF AIR-MOVING EQUIPMENT The New York Blower Company offers thousands of different types, models, and sizes of air-moving equipment. Contact your nyb representative for assistance in identifying the best fan for your application. AIR-HANDLING [AXIAL] For the ideal handling of clean to moderately dirty airstreams. Commercial and industrial HVAC, drying and cooling systems, fume extraction, and process-heat removal are typical applications. DUST/MATERIAL HANDLING Wide range of duty available with unique fan lines capable of handling light dust to heavy material. Typical...