Page 36 - isodoor katalog 2021-- - ing-son.indd

Track and Lifting Types

VL with lower torsion spring shaft
Required sideroom SB SD
Manual operation 110 110
Direct dive 110 210
Chain drive 110 165

Required headroom h= H+320
VERTICAL LIFT Opening H
MIDDLE SPRING Installation depth D=300
It’s not recommended to use cable failure safety device.

Number of required suspentions
Up to depth of 3500 mm 2 suspentions per side
Up to depth of 4500 mm 3 suspentions per side
Up to depth of 5500 mm 4 suspentions per side
Above depth of 5500 mm 5 suspentions per side

36 www.isodoor.com.tr