The Science of Comfort

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HEPA Filters versus Particle Size

Posted by Price Industries on May 19, 2020 at 11:49 AM

Understanding the Fundamentals

High-efficiency particle air or HEPA filters are used for air filtration where room cleanliness and contaminant control are of the utmost importance, including in cleanrooms, laboratories, pharmaceutical compounding facilities, protective environment isolation rooms and airborne infectious isolation rooms.

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Topics: Outlet Conditions, System Efficiency, HVAC, Engineering, Design Engineering, Training, Engineering Update, Critical Environments, Filtration

What is System Effect?

Posted by Price Industries on September 10, 2019 at 9:47 AM
Illustrate system effect with duct changing sizes and directions
In duct design and installation, system effect is the generation of higher than expected pressure drops through changes in duct direction or geometry. It can also be caused by improper installation of  fittings, which result in excessive, unanticipated turbulence in the airflow. In short, system effect is the installed pressure drop which is different from the design pressure drop.
 

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Topics: System Effect, Static Pressure, Outlet Conditions, Pressure Drop, Velocity Profile, Inlet Conditions

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Our customers have come to count on a consistent and ever-increasing stream of new products and enhancements.  Price has a large team of experienced and talented engineers who are consistently working on breakthrough ideas.  We are not afraid to move into whole new product categories if we believe we have a contribution to make.

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The founding principles of Price have never changed – business integrity, first-class service, innovation and a commitment to people. Our dependable quality, reliable delivery, and knowledgeable follow-up service have made Price a market leader in supplying air distribution, critical controls, and noise control products. After more than 60 years, Price remains a privately held family company with a deep heritage and commitment to innovation and service. Our long-standing vision, traditional values, and the Price way of doing business are the cornerstones of our leadership position in the non-residential air distribution industry.

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