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Nautilair 7.6

Custom Design Options Available
AMETEK DFS Nautilair 7.6" blowerNautilair variable speed brushless DC blowers have been engineered to deliver a measured air/fuel mixture in gas-fired burner systems for optimized combustion and reduced nitrous oxide and carbon monoxide emissions. These pre-mix blowers offer practical solutions for a wide range of applications, including commercial and residential boilers, food service equipment, kilns, and fuel cells, among others.

They serve as ideal alternatives to conventional speed or two-speed blowers, intake damper systems on fixed speed blowers, or inverter-driven variable speed blowers. When used with a modulating gas valve, these compact, lightweight, rugged, versatile, and high-speed blowers can suit a wide range of system designs. 

Speed can be adjusted internally with an on board potentiometer or with an external PWM or DC control that actively varies blower performance (eliminating the need for complex air intake damper systems); internal electronics convert AC input to DC; and blowers typically operate in excess of 20,000 hours virtually maintenance-free.

Among options, an electronic control drive integrating a factory-programmed digital signal processor (DSP) and custom option cards can customize performance for specific application requirements.

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  • Design Options +


    Options for Nautilair 7.6" (193mm) Brushless Blowers
    Performance Voltages Speed Control Options Speed Regulation Stages Agency Certification

    Max Flow: 175 CFM (297 m3/hr) 

    Max Pressure: 40 inch H2O (99 mbar)

    12VDC

    24VDC

    100-240VAC

    120VAC

    240VAC

    Mechanical - POT adjustment

    0-10 VDC

    0-10VDC via Remote POT Option Card

    PWM

    Remote Potentiometer

    Open Loop

    Closed Loop

    1

    2

    RoHS

    REACH

    UL

    CSA
    Operating Temp: 0oC to 50oC   
    Storage Temp:     -40oC to 85oC
    Weight:     4.8 lbs/2.2 Kg
    Design Features:     Designed to provide variable airflow for low NOx and CO emissions in high efficiency gas-fired combustion systems. Built with non-sparking materials. Blower housing assembly constructed of die cast aluminum. Impeller constructed from hardened aluminum. Rubber isolation mounts built into the blower construction to dampen vibration within the motor. Two piece blower housing assembly sealed with O-ring gasket fro combustion applications. Customer is responsible to check for any leakage once the blower is installed in the final application. Intake and exhaust tubes, all cooling ducts and vents must not be obstructed. Intake and exhaust must be free of grease, oil and foreign particles. Blower to be mounted so ventilation air cannot be recirculated. 

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    • Tips on Choosing Premix Combustion Blowers
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