Drilling Rig Spare Parts API 8C Oil Well Drilling Travelling Blocks

Travelling Block

FEATURES

- the wire line is kept taut when hoisting or lowering down the unload Block.

- the Sheave grooves are hardened by medium frequency induction to provide extended services life.

- Equipped with double-row conical roller bearings and each bearing are individually lubricated.

- the sheaves and bearing are interchangeable with those of corresponding crown block.

- the traveling blocks conform to API Specification 8A and API monogram can be used.

TRAVELLING BLOCK PARAMETER LIST

 

Model	unit	YC225	YC315	YC450	YC675
Max. Hook load	KN	2250	3150	4500	6750
O.D. of sheaves	Mm(in)	1120(44)	1270(50)	1524(60)	1524(60)
Number of sheaves		5	6	6	7
Dia. of wire line	Mm(in)	29(1-1/8) 32(1-1/4)	32(1-1/4) 35(1-3/8)	35(1-3/8) 38(1-1/2)	45(1-3/4)
Overall dimension(LxWxH)	mm	2295x1190x630	2680x1350x975	3075x1600x800	3100x1600x970
Weight	Kg	3805	6845	8135	8882