Drilling Equipment > Crown Block
Crown Blocks
Technical Specifications of Crown Blocks (API Spec 4F)
| Model | SD-CB150 |
SD-CB250 |
SD-CB350 |
SD-CB500 |
SD-CB650 |
| Max. Hook Load, US Short Ton (kN) | 150 (1,350) |
250 (2,250) |
350 (3,150) |
500 (4,500) |
650 (5,850) |
| Number of Sheaves | 5 |
6 |
7 |
7 |
7 |
| Sheave Diameter, in (mm) | 36 (915) |
44 > (1,120) |
50 (1,270) |
60 (1,524) |
60 (1,524) |
| Wire Line Diameter, in (mm) | 1 1 / 8 (29) |
1 1 / 4 (32) |
1 3 / 8 (35) |
1 1 / 2 (38) |
1 1 / 2 (38) |
| Dimension s (LxWxH), in (mm) | 98.4×80.7×75.6 (2,500×2,050 ×1,920) |
107.0x103.7x126.1 (2,717×2,634 ×3,204) |
115.1x85.0x93.7 (2,924×2,160 ×2,379) |
113.6x94.9x70.7 (2,886×2,410 ×1,797) |
142.7x111.5x101.6 (3,625x2,832 x2,580) |
| Weight, lbs (kg) | 5,286 (2,400) |
10,551 (4,790) |
13,841 (6,284) |
19,610 (8,903) |
26,652 (12,100) |
