Overhead Door Torsion Spring Chart

Replacing torsion springs on duplex style overhead door systems entails much dangerous work.

Overhead door torsion spring chart.

The chart is based on information from the door access systems manufacturers association dasma. Do not attempt to install springs or hardware yourself unless you have the proper tools reasonable mechanical aptitude and experience and upper arm strength. 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. Torsion springs extension springs and other garage door hardware can cause serious injury or death if not handled and installed properly.

2 means the inside diameter is two inches etc. When the door is fully open the lower part of the door hangs vertically in the vertical track extension. 1 75 means the inside diameter is 1 inches. 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.

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. All spring sales are final. Springs are made in america and shipped within 24 hrs transit times vary based on your zip code usually 2 to 4 days from our mfg facilities f o b. Garage door spring size chart.

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. If you cannot find the size. How measure for replacement garage door springs. Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring.

The use of an oxy acetylene torch is necessary but it should not be used without prior training. Please note any variation of your actual spring dimensions will alter counterbalance and affect the overall life of the replacement industrial garage door spring. In this post we re sharing with you a garage door spring size chart for torsion springs. Eventually garage door springs do wear out and need to be replaced.

Weighing your garage door is the best possible way to determine the proper springs needed for the door. Professional installation is recommended. High lift drums are partially tapered and partially flat. Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale.