We are the manufacturer and OEM factory of NOV corporation.Core components of drilling rigs are imported from America.

Drilling rig parts

Conforming to the requirements of industry standard SY/T5527.

There are two designed kinds of bumper in hook cylinder, mechanical and hydraulic, with excellent bumping function.

The main hook has safety positioning device and locking device f or convenient and reliable operation.

The main parts are made of alloy steel with high strength, and tested by UDE method

Model		DG225	DG315	DG450
Max. hook load  kN (lbs)		2250  (500000	3150700000	4500 (1000000
Spring stroke mm(in)		2007 7/8	200 7 7/8	2007 7/8
Opening size of main hook mm(in)		2208 21/32	2208 21/32	2208 21/32
Overall dimension  mm(in)	L	2545100	2953116 1/4	2953116 1/4
	W	780 30.7	89035 1/32	89035 1/32
	H	750 29.5	88034 21/32	88034 21/32
Weight kg(1bs)		21804806	34207540	34967707

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