TC Series Drilling Rig Crown Block

API 4F Spec
Equipped with rope blocking mechanism
Equipped with lifting frame for repairing pulleys
Equipped with sand fishing pulley and auxiliary pulley

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crown block drilling rig api crown pulley for drilling rig api tc225 crown block for drilling rig crown block for oil well drilling rig tc450 drilling rig crown block Crown Block for Drilling Rig

Product Description

Structural Features

Product Parameters

TC Series Drilling Rig Crown Block is a fixed pulley block installed on the top of the derrick and is one of the important components of the drilling rig lifting system.It is connected traveling block with wire line to form a pulley system,which can greatly reduce the tension of the fast rope, thus greatly reducing the load of the drilling rig draw works in various drilling operations (trip,running ,drilling,hang drilling tool), and reducing the power of the engine group.

The TC Series Drilling Rig Crown Blocks with API 4F specifications and meets the requirements of industry standard SY/T5527.

Equipped with a rope blocking mechanism to prevent the wire rope from jumping or falling off.

Equipped with a lifting frame for repairing pulleys.

Equipped with sand fishing pulley and auxiliary pulley.

The pulley is interchangeable with its matching traveling block pulley.

Model		TC135	TC170	TC225	TC315	TC450	TC585
Maximum hook load	KN	1350	1700	2250	3150	4500	5850
Maximum hook load	US ton	150	200	250	350	500	650
Pulley outer diameter	mm	915	1005	1120	1270	1524	1524
Pulley outer diameter	in	36	40	44	50	60	60
Pulley numbers		5	6	6	7	7	8
Pulley numbers		5	6	6	7	7	8
Wire rope diameter	mm	26	29	32	35	38	42
Wire rope diameter	in	1	1 1/8	1 1/4	1 3/8	1 1/2	1 5/8
Dimensions	mm	2500×2050×1920	2687×2150×2046	3200×3347×3640	3295×2776×2514	3068×2906×3576	3070×3000×3600
Dimensions	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
Weight	Ib	5290	6440	11710	16310	20940	22046