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Crown Block
Product Introduction
Crown block is an important part of drilling rig,it completes tripping in and out and casing operations with traveling block,drawworks and hook.
Product Details

The crown block complies with API 4F standard 

The rope ward-off structure can prevent the rope from failing off. 

The crane boom is for the repairing of the sheaves 

Equipped with sand line sheaves and auxiliary sheaves 

The pulley can exchange with the other matching travelling block

Specifications
MODEL TC135 TC170 TC225 TC315 TC450 TC585
Max.load KN 1350 1700 2250 3150 4500 5850
US ton 150 200 250 350 500 650
Pulley OD mm 915 1005 1120 1270 1524 1524
in 36 40 44 50 60 60
Pulley Qty Pcs 5 6 6 7 7 8
Diameter of wireline  mm 26 29 32 35 38 42
in 1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8
O.D mm 2500×2050×1920 2687×2150×2046 3200×3347×3640 3295×2776×2514 3068×2906×3576 3070×3000×3600
in 98×80×75 106×84×80 126×132×143 130×109×99 121×114×141 121×118×142
Weight kg 2402400 2920 5310 7400 9500 10000
Ib 5290 6440 11710 16310 20940 22046