Extension springs, innovation for sectional
The DAV residential sectional door incorporates an innovative extension springs, which offers “double spring on one” with compensating cables and balanced.
Your residential sectional door always, to the benefits of this novel mechanism of extension springs are added. A solution that is aesthetically integrated seamlessly into the vertical angle offers greater resistance, supporting a greater number of operations. Furthermore, this system reduces installation time by bringing fewer components and occupy less space facilitates mounting in tight spaces.
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