Motor Speeds for Belt Drive Fans
We often get questions from our customers about how to determine the best synchronous speeds for belt-driven industrial fans. The answer depends on the fan’s operating speed and motor horsepower.
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VFD or Fan Damper?
Industrial fan installation and applications are full of choices, big and small, immediate and long-term. One of the small choices that can make a big difference in the long term is whether to use a Damper or a Variable Frequency Drive (VFD) to control the capacity of your industrial fan. While some may choose both options depending on their applications, many fan users make an “either-or” decision.
Fan Foundation Recommendations
You’ve calculated all your specifications and worked to get just the right fan for your industrial application. You’re taking care to set up for maximized performance and safety, with minimized maintenance and cost. Make sure you mount your fan on the right foundation for optimal support & operation.
What is Fan Static Pressure and Why Does It Matter?
When you’re defining the specifications for your industrial fan application, one of the measurements you’ll need is fan static pressure, calculated as the difference between the pressure required at the discharge of the fan and the pressure at the inlet of the fan plus velocity pressure.
(fan static pressure = fan discharge pressure – fan inlet pressure + velocity pressure)
Don’t Install your Industrial Fan in a Vacuum: Know your Inlet Air Density
If the conditions surrounding your application are standard, then you might not need to worry about calculating the inlet air density before selecting your fan. That being said, you need to do some extra calculations with non-standard conditions, as they can have a big impact on your fan sizing and design.
What is an Arrangement 4 Fan?
Fan arrangements, based on AMCA standards, define the way a motor drives the fan, and how the motor mounts to the fan. An Arrangement 4 Fan is a direct driven fan with the fan wheel mounted to the motor shaft.
What is an Arrangement 9 Fan?
Fan arrangements, based on AMCA standards, define the way a motor drives the fan, and how the motor mounts to the fan. An Arrangement 9 Fan is a belt-driven fan. In this arrangement, the motor mounts to the side of the fan pedestal with no unitary base required.
What is an Arrangement 1 Fan?
Fan arrangements, based on AMCA standards, define the way a motor drives the fan, and how the motor and other drive components mount to the fan. An Arrangement 1 Fan is a belt-driven fan with the motor mounted separately. In general, a belt driven fan is connected to the fan’s motor via one or more belts and the fan and motor are mounted on a unitary steel base.
Determining the Optimal Drive for Your Industrial Fan
What makes your industrial fan whir? It’s a motor connected to your fan in one of only two ways: direct drive or belt drive. In the former, the motor connects to the fan wheel with nothing in between. In the later, there is a belt (sometimes more than one) connecting the motor to move the fan.
Get Warmed Up: FD Fans for Your Industrial Burner Workout
You wouldn’t run a 5K without warming up a little first. Your boiler system doesn’t like a cold start either. Industrial boiler systems run most efficiently when the ambient air is preheated via industrial burners using Forced Draft Fans (FD Fans).
Asphalt is one of those things we use nearly every day and rarely think about unless it’s in repair or needs to be. But where would we be without it? And behind the scenes, the Asphalt Plants and Industrial Fans pave the way to building our roads and highways.
In the optimal application, your inlet duct will have a long, straight pathway into the fan. The recommended length is as much as five to eight times the diameter of your duct. In the real world, it often is simply not practical or even possible. Fortunately, there is a next best option to create the runway the air needs on its way into your centrifugal fan – an inlet box.