Roof Exhausters / Roof Mounted Exhaust and Supply Fans

• Commercial and Industrial duty construction
• Our butterfly dampers with anti-flutter magnetic latches have a long history of reliable operation - quietly keeping rain out when closed, opening fully when fan is in operation.
• TEFC (Totally Enclosed Fan Cooled) motors are standard and offer extra protection for long motor life.
• Upblast discharge expels air high up, thus avoiding recirculation effects to roof.
• Oversized vertical gussets connect the tube to the base - more assurance your fan will be there after major wind events.
• Two motor locations to match the access capabilities and preferences - Motor accessible from the rooftop, or motor accessible from under the roof within the building.
• A special model for moisture laden air is available.
• A cost-effective ventilation fan choice

RTA Series:

• Blade diameters: 18” through 60”
• CFM: Approximately 3000 to 73,000 CFM
• Static Pressure: 0 to 1 inch

RB Series:

• Blade diameters: 24” through 60”
• CFM: Approximately 5000 to 60,000 CFM
• Static Pressure: 0 to 3/8 inch

RD Series:

• Blade diameters: 24” through 48”
• CFM: Approximately 4700 to 35,000 CFM
• Static Pressure: 0 to 3/8 inch

Typical Applications for Rood Exhausters/Roof Mounted Exhaust & Supply Fans

There are many applications for Delhi's Roof Exhausters and Roof Mounted Exhaust and Supply Fans, they typically include:

• Warehouse ventilation
• Plant ventilation
• Foundry ventilation
• Factory ventilation
• Distribution center ventilation
• Upblast ventilation
• Rooftop Heat extraction

Materials

Delhi Roof Exhausters are constructed of Steel, painted or galvanized, the blades on the RTA model between 12 to 48" are cast aluminum, between 54 to 60', fiberglass reinforced polypropylene. The RD and RB series both have galvanized steel blades.

Value Added Services

A moisture resistant version (RWTA) is available that includes a Teflon shaft seal and Heresite coating, Bearings have a non-metallic housing and zinc coated bearing insert. Roof Exhausters are available with Various motor types, including explosion proof motors.

Accessories

• Roof curbs
• Disconnect switches

Contact Us with your Requirements