API 8c Drilling Rig Accessories Crown Block Sheave and Traveling Block Pulley

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: Crown Block Sheave
• Manufacturing Process: Forging
• Surface Treatment: Polishing
• Material: Cast Steel
• Trademark: Beyond
• Origin: Shn
• Production Capacity: 10000set/Year

Product Description

Product Description

Crown Block

The crown block consists of crown basement, fast-line sheave, dead-line sheave, main sheave, sand-line sheave, drilling line protector and sheaves for hydraulic and air winch, bumper wood for the Crown-O-Matic and guardrail. It's designed with closed type and open type. The traveling system is divided into 7×6, 6×5, 5×4, and 4×3, which fit to Φ7/8"~Φ1 1/2" drilling lines. The sheave groove conforms to the requirements of API RP 9B. The sheave groove surface is processed with a quenching treatment. The bearing adopts centralized lubrication for convenient operation.
 

The sheave grooves are quenching treated, anti-abrasion and long service life.The pulley and the bearing may exchange with matching traveling block.

Equipped with wirerope ward device to prevent the prevent the wirerope from bouncing or falling off.

Equipped with bumping wood and protective net.

Equipped with the lifting frame for maintaining pulley.

Equipped with ear board for installing top drive guide.

Equipped with sand pulley and assistant pulley.

 

Product Parameters

 

Model	Max.Hook load(KN)	Line system	Nos of sheaves	Dia.Of main sheaves(mm)	Dia.Of Steelwire(mm)	Weight(Kg)
TC-30	300	3X4	4	475	24	245
TC-50	500	4X5	5	610	24	464
TC-90	900	4X5	5	762	26	3260
TC-135	1350	4X5	5	1005	29	2775
TC-170	1700	5X6	6	1005	32	4540
TC-225	2250	5X6	6	1120	32	5650
TC-315	3150	6X7	7	1270	35	7600
TC-450	4500	6X7	7	1524	38	11012
TC-675	6750	7X8	8	1524	45	13000

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