YG SERIES OF HOOK BLOCKS

YG SERIES OF HOOK BLOCKS

Structural feature：
Hook block complies with API 8C standard.
Joining traveling block and hook together reduces overall length and can help satisfying the requirements of top drive operation.
The hook block is equipped with the reliable safety devices on the main hook.
The main parts are made of high strength alloy steels and are subjected to nondestructive testing.
The sheave grooves have been intermediate frequency quenched, which can improve the hardness of the surface, the wearness, and the service life.

Model YG90 YG135 YG170 YG450
Max hook load  kN 900 1350 1700 4500
US ton 100 150 200 500
Sheave O.D. mm 762 915 915 1524
in 30 36 36 60
Sheave Qty   4 4 5 6
Wire rope Dia. mm 26  26 29 38
in 1 1 1 1/8 1 1/2

Main hook opening size

 mm 155 165 180 220
in 6 1/16 6 1/2 7 8 5/8
Main hook dia. mm 116 140 150 180
in 4 1/2 5 1/2 6 7
Assistant hook dia. mm 80 90 90 120
in 3 1/8 3 1/2 3 1/2 4 3/4
Size mm 2908×806×533 3195×960×616 3294×960×713 4887×1600×880
in 114×32×21 126×38×24 130×38×28 192×63×35
Weight kg 2850 3590 4585 12530
Ib 6280 7910 10108 27620

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