TC90 Drilling Crown Block High Strength Steel For Oilfield Rig
TC90 High Strength Steel Drilling Crown Block for Oilfield Rig
Product Description
Crown block
1. The design and manufacture of the series crown block conform to API Spect 4F and 8A specifications, and have the right to use the API logo.
2. In line with the industry standard "oil rig main lifting equipment" SY/T5527 requirements
3. Pulley rope groove by quenching treatment, wear resistance, long life
4. Rope retaining rod or rope clamping groove is provided to prevent the wire rope from jumping or falling off.
5. Provided with anti-collision buffer wood
6. Hoisting frame for maintenance of pulley block
7. Provided with sand-fishing pulley and auxiliary pulley block
8. The crown block pulley is completely interchangeable with its associated traveling block pulley
| Model | TC30 | TC50 | TC90 | TC135 | TC170 | TC225 | TC315 | TC450 | |
| Max. hook load kN(1bs) | 300 (66000) | 500 (110000) | 900 (200000) | 1350 (300000) | 1700 (37400) | 2250 (500000) | 3150 (700000) | 4500 (1000000) | |
| Dia. of wireline mm(in) | 24 (15/16) | 24 (15/16) | 26 (1) | 29 (1 1/8) | 29 (1 1/8) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
| OD of sheave mm(in) | 475(18 3/4) | 610 (24) | 660 (26) | 1005 (40) | 1005 (40) | 1120 (44) | 1270 (50) | 1524 (60) | |
| Qty. of sheave | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | |
| Overall dimensions mm(in) | Length | 738 (29) | 860(33 7/8) | 1208 (47 9/16) | 2320 (91 11/32) | 2668(105) | 2668 (105) | 3112 (123) | 3407 (134) |
| Width | 472 ( 18 5/8 ) | 670 (26 7/16) | 1092 (43) | 1436 (56 17/32) | 2460 (97) | 2709(107) | 2783(110) | 2722(107) | |
| Height | 575(22 5/8) | 588 (23 1/8) | 1207 (47 1/2) | 1781 (70 1/2) | 1855 (73) | 2469 (97) | 2800(110) | 2856(112) | |
| Weight kg(1bs) | 245 (540) | 464 (1023) | 1500(3307) | 2775(6118) | 4540(9988) | 5270 (11594) | 7600 (16720) | 9750 (21450) | |
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