manual from China manufacturer - Jiangsu Rudong Lianfeng Petroluem Machinery Co,. Ltd

manual

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Place of Origin:	Jiangsu, China (Mainland)


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Product Detail

Means of Transport: Ocean

handling tools: handling tools

wellhead handling tools: handling tools

DB Tongs
Type DB tongs (3.5 - 17in) is used for making up or breaking out the screws of drill tools and casing joint or coupling.

Manual Tongs are necessary tools applied to make up and break outpipes. Changing lug jaws and latch steps can adjust different handlingsizes of the tongs. They are designed and manufactured according to APISpec 7K.

No. of Latch Lug Jaw	No. of Hinge pin hole	Size Range		Rated Torque kN·m
No. of Latch Lug Jaw	No. of Hinge pin hole	in	mm	Rated Torque kN·m
1#	a	3¹/₂~6	88.9~152	90
	b	5³/₄~7	146~178
	c	6⁵/₈~8¹/₄	168~210
2#	a	8~9⁵/₈	203~244
2#	b	10⁵/₈~11¹/₄	270~286
3#	a	11³/₄~12³/₄	298~324	55
3#	b	13³/₈~14³/₈	340~365
4#	c	16~17	406~432