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National Turbine Corporation offers our high velocity fans in an assortment of construction options, ranging from standard cast iron to stainless steel and aluminum, special coatings and seal options. With these options, our customers are able to customize to their specific needs. Choose National Turbine Corporation as your number one source for high velocity fans.
When it comes to our customers, here at AMETEK Technical & Industrial Products, we work closely with them to guarantee that we match each product's capabilities to the specific requirements for each application. We are committed to providing technical support from the design process to continuing service support. Trust our company for your high velocity fan needs.
Here at Tuthill Vacuum & Blower Systems, we have a complete network of sales representatives and stocking locations to assure rapid availability of our high velocity fans and other products. To assure quality of our products, we put them on a test run before it leaves our factory. Quality is guaranteed. Contact a local representative today to get your project created.
Since 1949, Jan-Air's mission has been to manufacture products that exceed quality standards. We focus on producing quality products as well as ensuring that our customers continue to be overjoyed with the service they receive. Let us be the source for all of your high velocity fan needs! Call one of our friendly customer service representatives today to request a quote!
PennBarry specializes in producing the best high velocity fans at the lowest competitive prices. With an interest in green building practices, PennBarry is also determined to shape the industry into a greener future. Can you benefit by working with a leaner, more responsive, single-source HVAC provider? If the answer is yes, then contact one of our service representatives today to find out more!
Since 1964, Central Blower Company has continued to be a standard of excellence in the industry. With a focus on quality, our talented staff is here to make sure that your every need and requirement is met for every project. Let Central Blower Company be the source for all of your high velocity fan needs! Visit our website to see the wide range of products that we offer!
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Industry Information
View A Video on High Velocity Fans - A Quick Introduction
High Velocity Fans
A high velocity fan is often the best choice for delivering fresh or conditioned air to every destination on a large ventilation circuit. Ventilation is just one possible application for high velocity blowers. Many industrial buildings, large office buildings, very large homes, schools and other large buildings are likely to make use of a high velocity blower. The automotive industry, metal parts fabrication industries and all other industries in which air quality can be compromised by processes that involve chemicals or hazardous fumes may need high velocity fans to reduce risks to worker health. There is no standard industry measurement or agreement concerning what fan size or construction or speed (in terms of RPM and air speed) constitutes a high-velocity fan. A high velocity fan in a multi-story building's HVAC system will look different from a small, portable consumer fan that is marketed as a "high velocity fan." For this reason, it is important to take note of a fan's specifications in advance of purchase.
Regardless of the variability of standards in the classification of fans, it is always true that a given high velocity fan will fit into one of two fan configuration categories. Axial fans are air blowers whose blades spin around an axis; their motion is similar to that of hands on a clock. Each fan blade features a degree of curvature. This curvature causes variances in air pressure on either side of the fan as its blades turn. The differences in pressure cause the movement of air, which naturally tries to equalize imbalances in pressure. This equalization effort creates airflow, and as the fan continuously provides an imbalance of pressure, the air continuously tries to balance it, creating a steady flow of air. High velocity fans do this, but at higher-than-normal speeds and with larger-than-normal fans. Radial fans function by achieving the same unequal pressure distribution but in a different way. Radial fan blades also spin around a center of gravity, but their motion more resembles the forward spinning of waterwheel panels than clock hands. More importantly, they spin within a circular enclosure, which causes the pressurized air to become subject to centrifugal motion. This added property allows for radial fans to generate more pressure than axial fans when operating at the same speed. For this reason, high velocity fans are often designed in radial configurations.
