Brief Introduction
Crown Block is a component part of hoisting system of drilling rig.The products conform to API Spec.4F, 8A, acquired the certificate of authority to use the official API monogram.
Technical Features
1.The sheave groove are quenching treated, anti-abrasion and long service life.
2.Equipped with wirerope ward device, prevent the wirerope from bouncing or falling off.
3.Equipped with bumping wood and protective net.
4.Equipped with gin pole for block servicing.
5.Equipped with sand block and assistant block.
Main technical specifications:
| Model | TC135 | TC170 | TC225 | TC315 | TC450 | TC585 | |
|---|---|---|---|---|---|---|---|
| Max hook load | KN | 1350 | 1700 | 2250 | 3150 | 4500 | 5850 |
| US Ton | 150 | 200 | 250 | 350 | 500 | 650 | |
| Sheave O.D | mm | 915 | 1005 | 1120 | 1270 | 1524 | 1524 |
| in | 36 | 40 | 44 | 50 | 60 | 60 | |
| Sheave Qty | 5 | 6 | 6 | 7 | 7 | 8 | |
| Wire rope Dia | mm | 26 | 29 | 32 | 35 | 38 | 42 |
| in | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 |