Crown Block List
• Features
- • Series crown blocks conform to API Spec 4F and Spec 8A, and are granted the right to use API monogram.
• Conform to industry standard SY/T5527.
• Sheave grooves are heat quenched to provide good abrasion resistance and long service life.
• Rope bar and rope barrier are provided to prevent the wire rope from crossing or tailing out of the sheave grooves.
• Wooden buffer device is provided.
• Lifting frame for maintaining sheaves assembly are provided.
• Crown block sheave and traveling block sheaves are interchangeable.
• Parameters
| Model | TC30 | TC50 | TC90 | TC135 | TC170 | TC225 | TC315 | TC450 | |
|---|---|---|---|---|---|---|---|---|---|
| Max. Load KN | 300 | 500 | 900 | 1350 | 1700 | 2250 | 3150 | 4500 | |
| Drilling line size mm | 24 | 24 | 26 | 29 | 29 | 32 | 35 | 38 | |
| Sheaves O.D mm | 475 | 610 | 762 | 1005 | 1005 | 1120 | 1270 | 1524 | |
| Number of sheaves | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | |
| Overall dimensions mm | Length | 738 | 860 | 2317 | 2320 | 2668 | 2668 | 3192 | 3410 |
| Width | 472 | 670 | 2076 | 1436 | 2460 | 2709 | 2783 | 2753 | |
| Height | 575 | 588 | 1577 | 1781 | 1855 | 2469 | 2350 | 2420 | |
| Weight, kg | 245 | 464 | 3260 | 2775 | 4540 | 6500 | 8800 | 11012 | |
