Crown Block

Crown Block FEATURES

- The sheave groove is quenching-treated, anti-abrasion with long service life.
- Equipped with wireline ward device, preventing the wireline from bouncing or falling off .
- Equipped with bumping wood and protective net.
- Equipped with gin pole for block servicing.
- Equipped with sand block and auxiliary block.
- The sheaves of crown block and mated traveling block are fully interchangeable.
- Conform to API Spec 4F & 8C, authorized to use the official API monogram.

 

 



Technical Specifications
Model TC90 TC135 TC170 TC225 TC315 TC450
Max. hook load kN (1bs) 900(200000) 1350(300000) 1700(37400) 2250(500000) 3150(700000) 4500(1000000)
Dia. of wireline mm (in) 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) 660 (26) 1005 (40) 1005 (40) 1120 (44) 1270 (50) 1524 (60)
Qty. of sheaves 5 5 6 6 7 7
Dimension(L ×W×H) mm(in) 1208×1092×1207 2320×1436×1781 2668×2460×1855 2668×2709×2469 3112×2783×2800 3407×2722×2856
Weight kg(1bs) 1500 (3307) 2775 (6118) 4540 (9988) 5270 (11594) 7600 (16720) 9750 (21450)

API 8C Sheave/Wheel

Casting Sheaves

Casting Sheaves

Hot-rolled Sheave

Diameter: φ280mm-φ1800mm

Hot-rolled Sheave Hot-rolled Sheave

Forge welding Wheel

Forge welding Wheel Forge welding Wheel