Manual Tongs Type DB

This manual tong type DB is well received by senior oilmen.Manufactured according to API Spec 7K standard, the latchingsize of the product is from31/2" to17". With maximum make-uptorque of 65,000ft/Ibs (90kNm), this oilfield pipe fastening deviceis widely used for making up or breaking out drill pipe, oil tube,casing pipe and casing joint, and drilling collar. Through changingthe lug jaw or adjusting the location of the hinge pin holes and the latching shoulders, the manual tong can be applied on tubes withdiferent diameters. Besides convenient latching, this clamp iseasy to be kept balanced.

Introduce of type DB manual tong

The type DB manual tong is designed and manufactured in accordance with the API Spec 7K《Specification for Drilling and Well Servicing Equipment》and the National Standard for the Petroleum Gas Industry SY/T 5035《Elevator Links、Elevators and Tongs》which is a useful tool applied to make up and break out drill pipes, coupling hoop of the drill pipe、joint、casings、casing hoops etc. When raise drill tool up and fall it down. Changing hinge jaws and handling shoulders of latch lug jaws can adjust the handling size of the tongs. According to the different handling size torque’s tongs can be ascertain.

Technical Specifications of type DB manual tong