Heavy Duty Helicopter Stringing Block

Heavy duty helicopter stringing block helicopter stringing block, it is suitable to string many kinds of overheadconductors on tangent structures. Compression sleeves, swivel connectors, andpulling rope connectors can pass through the groove. The sheaves are made ofaluminum alloy or high strength nylon. Notes:1. 508mm, 660mm aluminum alloy sheave can be lined with rubber. 2. 660mm, 822mm, 916mm, 1040mm nylon sheave can be lined with rubber3. Three sheaves and five sheaves helicopter stringing blocks are available fortwo bundle conductor and four bundle conductors stringing. Mainspecifications item no. Model number of sheave suitable conductor rated load (kn) weight (kg) remark 10171z shdz-120x30 1 acsr25-70 5 2 aluminium sheave 10172z shdz-160x40 1 acsr70-95 10 3.2 10173z shdz-200x40 1 acsr95-120 15 3.8 10174z shdz-200x60 1 acsr120-150 15 4.2 10175z shdz-250x40 1 acsr120-150 20 5.2 10176z shdz-250x60 1 acsr150-180 20 5.5 10177z shdz-270x60 1 acsr180-240 20 6.8 10178z shdz-320x60 1 acsr240-300 20 10.5 10179z shdz-400x80 1 acsr300-400 20 12 10101z shdz508 1 acsr300-400 20 18 rubber lined aluminium sheave 10121z shdz660 1 acsr400-500 20 30 10191z shdnz-120x30 1 acsr25-70 5 1.5 nylon sheave 10192z shdnz-160x40 1 acsr70-95 10 2.4 10193z shdnz-200x40 1 acsr95-120 15 2.6 10194z shdnz-200x60 1 acsr120-150 15 3.1 10195z shdnz-250x40 1 acsr120-150 20 3.7 10196z shdnz-250x60 1 acsr150-180 20 3.9 10197z shdnz-270x60 1 acsr180-240 20 4.4 10198z shdnz-320x60 1 acsr240-300 20 7.5 10199z.