Tension pulley with diameter 200mm and 300mm, designed for the functionning of safety gears in descent, with fixation at the bottom of the pit, the tensión of the cable of the overspeed governor is provided by weights at the bottom. Pulley of metal FG25 with two ball bearings with rope out protection and protection from stray objects. Electrical to prevent the breaking or weaking or weakening of the governor cable.
Gervall Catalog PDF®. Special tension weight for carriage type "pack"