Descripción del producto

LD-TB casing back-up tong is a patented product, used to perform casing operation by combining with casing power tong and can ensure connection quality and eliminate deformaton of main tong under large torque. The back-up tong features safety, reliability, labor-saving and high efficiency. There are two control styles: pneumatic and hydraulic. The back-up tong is supplied with a torque sensor to measure precisely the connection torque. The back-up tong is designed and manufactured according to industrial standard SY/T***4 API Spec 7K “Specification for Drilling Equipment”.