1. Design and manufacture conforms to API Spec: 4Fand8A.own the authority of API monogram.
2. According with the requirements of the oil industry standard:SY/T5527 .
3. The main features of pulley rope groove are wear-resistance and long service life after quenching treatment.
4. Crown block equipped with an rope rod or wire rope, crash-proof buffer wood, lifting rack and sand roller and the auxiliary pulley block
5. The crown pulley can be exchanged by the matching pulley of the traveling block.
Model | Max hook load | O.D of the pulley | Number of pulley | diameter of wire rope | overall dimensions (length*width*height) | Weight |
TC30 | 300KN | 475mm (18-3/4in) | 4 | 24mm (15/16in) | 738mm×472 mm×575 mm(29in×18-5/8 in×22-5/8 in) | 245kg |
TC50 | 500KN | 610mm (24in) | 5 | 24mm (15/16in) | 860mm×670 mm×588 mm(33-7/8in×26-7/16 in×23-1/8 in) | 464kg |
TC60 | 600KN | 610mm (24in) | 5 | 26mm (1in) | 940mm×813 mm×965 mm(37 in×32 in×38 in) | 786kg |
TC90 | 900KN | 660mm (26in) | 5 | 26mm (1in) | 1208mm×1092 mm×1207 mm(47-9/16 in×43 in×47-9/16 in) | 1500kg |
TC135 | 1350KN | 1016mm (40in) | 5 | 29mm (1-1/8in) | 2320mm×1436 mm×1781 mm(91-11/32in×56-17/32 in×70-1/2 in) | 2775kg |
TC170/180 | 1700KN/1800 KN | 1016mm (40in) | 6 | 29mm (1-1/8in) | 2668mm×2460 mm×1855 mm(105in×97 in×73 in) | 4540kg |
TC225 | 2250KN | 1120mm (44in) | 6 | 32 mm (1-1/4in) | 2668mm×2709 mm×2469 mm(105in×107 in×97 in) | 5270kg |
TC315 | 3150KN | 1270mm (50in) | 7 | 35mm (1-3/8in) | 3112mm×2783 mm×2800 mm(123in×110 in×110 in) | 7600kg |
TC450 | 4500KN | 1524mm (60in) | 7 | 38mm (1-1/2in) | 3407mm×2722 mm×2856 mm(134in×107 in×112-1/2 in) | 9750kg |
TC585 | 5850 | 1524mm (60in) | 8 | 42mm (1-5/8in) | 3070mm×3000mm×3600mm121in×118in×142in | 10000kg |