In general, the discriminant is an algebraic expression that gives. information about the roots of a polynomial. In the case of a quadratic equation the discriminant is the part of. the quadratic equation that is under the radical sign.
How to Select Dampers and Louvers. Dampers and louvers are used to control the flow of air in a process system or enclosed area. Dampers are usually motorized or manually-adjustable for flow control. Louvers are often fixed for a constant flow rate.
All our products have been designed and tested by their manufacture to provide reliability and cost effectiveness so you can get the most out of your investment. Priority Custom Louvers + Dampers offers professional builders high quality ventilation products for commercial and residential applications.All of our louvers and dampers are American made and built to your highest standards. PCLD offers louvers and dampers in all sizes, shapes, and materials.Standard or custom louvers are produced and shipped on time to you. We specialize in the quick turnaround jobs.riority Custom Louvers and Dampers distributes and manufactures high quality stainless steel, aluminum, and galvanized custom louvers and dampers.