Overhead Door Torsion Spring Chart

Garage door spring size chart.
Overhead door torsion spring chart. Torsion spring inside diameter and overall length in many cases the inside diameter of the torsion spring will be indicated on the stationary cone in between the two springs at the midpoint of the door. 1 75 means the inside diameter is 1 inches. Torsion springs extension springs and other garage door hardware can cause serious injury or death if not handled and installed properly. High lift drums are partially tapered and partially flat.
Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring. We have in stock standard or high cycle precision manufactured garage door torsion springs in a multitude of sizes and materials types for anyone looking to repair replace their. The use of an oxy acetylene torch is necessary but it should not be used without prior training. Eventually garage door springs do wear out and need to be replaced.
The chart is based on information from the door access systems manufacturers association dasma. These instructions are for overhead doors with two duplex spring systems one on each half of the door that are mechanically joined together with the. Replacing torsion springs on duplex style overhead door systems entails much dangerous work. All commerical insdustrial torsion springs for garages are made to your specifications.
In this post we re sharing with you a garage door spring size chart for torsion springs. The formulas for determining the number of turns to wind a torsion springs is based on the drum number door height and high lift dimension which is the distance from the top of. If you cannot find the size. 2 means the inside diameter is two inches etc.
How measure for replacement garage door springs. When the door is fully open the lower part of the door hangs vertically in the vertical track extension. Please note any variation of your actual spring dimensions will alter counterbalance and affect the overall life of the replacement industrial garage door spring. Professional installation is recommended.
If your door opens more than 3x a day add the 20 000 high cycle option to your order an inexpensive upgrade which will double the life of your existing spring. Do not attempt to install springs or hardware yourself unless you have the proper tools reasonable mechanical aptitude and experience and upper arm strength. Buying garage door torsion springs at american garage door supply we can help make overhead garage door repairs even easier with our full line of torsion springs. Weighing your garage door is the best possible way to determine the proper springs needed for the door.