Fans

Fans

Class II Fans offer quiet operation.

QEI Class II fans provide static pressure capability from 4.0 to more than 8.0 in. wc, making them suitable for supply air applications. They use mixed flow inline design to combine efficiency of vane axial fan with quietness of centrifugal fan. Blades are specifically pitched to handle high pressures. All QEI fans are AMCA licensed for sound and air performance.

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Cabinet Cooling Fan generates high pressure.
Fans

Cabinet Cooling Fan generates high pressure.

Mixed Flow DC fan combines characteristics of fans and blowers to deliver 375 CFM at static pressure of 1.5 in. of water, making it suitable for telecommunication applications and for cooling computer cabinets and racks. Optional EnviroShield(TM) coating prevents degradation caused by harsh environmental conditions, moisture and salt. UL-approved, polarity-protected fan meets UL 94V-0...

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Fans

Fan is quiet enough for libraries.

QEI mixed flow fan comes with Sound Vault Housing that is lined with 2 in. of sound-attenuating insulation, integral isolators, and flexible connections to lock-in radiated sound and minimize vibration transmission. Housing reduces radiated sound levels by more than 50%, making it suitable for fans located adjacent to occupied workspace. Applications include office buildings, libraries, or...

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Paddle Blade Fans operate quietly.
Fans

Paddle Blade Fans operate quietly.

Multi-Wing 8M Series has broad paddle blades that achieve lower turbulence at tips, thus producing lower noise than traditional stamped metal fans. Blades are thermoplastic and hub is cast aluminum for strength, low weight and corrosion resistance. Fans are available in 3 standard angles and 10-20 in. dia. Standard and special inch or metric bores can be provided. Applications include cooling...

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Fans achieve required air pressures at low speeds.
Fans

Fans achieve required air pressures at low speeds.

Multi-Wing(R) 8D Series Fans have low-noise, twisted broad paddle thermoplastic blades and aluminum mounting hubs, which make fans suitable for HVAC applications. Fans are available in range of standard configurations. Options include 2 or 4 blades, diameters from 12 to 26 in., and 4 blade angles. Modular design permits almost unlimited flexibility.

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Propeller Fans push air with 5 or 10 blades.
Fans

Propeller Fans push air with 5 or 10 blades.

Aerofan has cast aluminum motor mount that accepts wide range of motors, integral safety guard that permits motor wiring without guard removal, and adjustable pitch airfoil propeller that operates in deep drawn epoxy coated venturi. Propellers are available with blades of glass reinforced polypropylene or pressure cast aluminum, mounted in cast aluminum hub. Fan is available in seven sizes from...

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Fans

Tube Axial Fans are offered in medium pressure range.

Medium pressure tube axial fans are available with heavy-gauge construction, and are capable of performances exceeding 95,000 cfm with pressures up to 3.25 in. wg. They are available with direct and belt drive construction. Medium pressure axial fans are available with bolt-on straightening vane section to improve fan efficiency by up to 20%. Applications include commercial or industrial...

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Fans

Transfer Fans ventilate small spaces.

Compact Model CBF Transfer Fans fit in place of standard 16 x 8 in. concrete block, provide performance to 500 cfm and up to 0.4 in. wg of static pressure, and can be mounted in any wall using furnished mounting flanges and powder coated steel grille. Efficient propeller, venturi and motor combine for low sound levels with minimal restriction to airflow, making fans suitable for ventilating...

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Fans

Roof Supply Fans come with washable aluminum filters.

Models RSF and RSFP centrifugal filtered roof supply fans feature forward curved centrifugal wheels. Performance capabilities range from 650 to 14,300 cfm and up to 2 in. wg of static pressure. Model RSF has straight-sided hood, and is designed to provide unrestricted airflow and maximum weather protection. Model RSFP adds louvered penthouse with mitered corners, and is designed to provide...

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Fans provide low blade tip noise and quiet operation.
Fans

Fans provide low blade tip noise and quiet operation.

8X Series Multi-Wing Fans feature twisted broad paddle profile blade which produces high air volume and pressure at low speeds. They are made with fiberglass reinforced polypropylene blades and cast-aluminum hubs. Corrosion-resistant materials provide service in harsh environments such as HVAC and chemical applications. Fans are available with 3, 4 or 5 blades, with adjustable blade pitch. Any...

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