Three Sheaves Aerial Roller
The three sheave aerial rollers are gravity die casted aluminium alloy sheaves, which are mounted
on sealed ball bearing and groove lined with neoprene/natural rubber flaps (Shore hardness 60-70 shore A with minimum thickness at bottom of the groove of 6.5 mm & tensile strength of 130 - 200kg/cm2) for conductor protection. They are mounted on fixed steel frames with standard plate attachment.