Crawford spring, left-wounded, wire diameter 7.5mm, internal diameter 152mm. With pre-assembled spring plugs for hexagonal shaft. To increase the service life of the torsion springs, the springs are shot blasted and powder coated.
New! Patented magnetic gap seals developed for sectional doors, dock levellers, and pedestrian doors, can be installed quickly and easily to industrial doors, gates, and loading ramps. The gap seals provide effective protection against drafts and energy loss. The robust and durable material keeps rodents and pests away. For more information: info@iddparts.nl or +31 342 490 990.
New! Patented magnetic gap seals developed for sectional doors, dock levellers, and pedestrian doors, can be installed quickly and easily to industrial doors, gates, and loading ramps. The gap seals provide effective protection against drafts and energy loss. The robust and durable material keeps rodents and pests away. For more information: info@iddparts.nl or +31 342 490 990.
