Travelling Block and Hook The maximum hook load 900 KN Outer diameter pulley 762 mm
Descriptions of Travelling Block and Hook The maximum hook load 900 KN Outer diameter pulley 762 mm:
The surface of pulley grooves is processed with a quenching treatment so as to ensure its wear-resistance and longevity.
The main bearing is made of high strength alloy steel and NDT will be completed after production.
The spring and hydraulic buffering devices of the hook block are available for protection of the drilling pipe joints.
Specifications :
| Model | YC90 | YC135 | YC170 | YC225 | YC315 | YC450 | YC585 | |
| The maximum hook load | KN | 900 | 1350 | 1700 | 2250 | 3150 | 4500 | 5850 |
| US ton | 100 | 150 | 200 | 250 | 350 | 500 | 650 | |
| Outer diameter pulley | mm | 762 | 915 | 915 | 1120 | 1270 | 1524 | 1524 |
| in | 30 | 36 | 36 | 44 | 50 | 60 | 60 | |
| Pulley number | 4 | 4 | 5 | 5 | 6 | 6 | 7 | |
| Rope diameter | mm | 26 | 26 | 29 | 32 | 35 | 38 | 42 |
| in | 1 | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 | |
| Dimensions | mm | 1500×806 | 1800×960 | 2100×960 | 2294×1190 | 2680×1350 | 3075×1600 | 3100×1600 |
| (Length × width × height) | ×533 | ×610 | ×630 | ×630 | ×974 | ×800 | ×965 | |
| in | 59×32×21 | 71×38×24 | 83×38×25 | 90×47×25 | 105×53×38 | 121×63×32 | 122×63×38 | |
| Quality | kg | 1810 | 2200 | 3010 | 3805 | 6842 | 8135 | 9600 |
| Ib | 3990 | 4850 | 6636 | 8389 | 15084 | 17930 | 21160 | |
