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DynJ-200/20 Type Hydraulic Screwing Machine is mainly used in the production of Tubing, Casing and Couplings. The unit is normally used to make-up/break-out couplings of casing, tubing and pipes and it supports different type of thread connection. The equipment is a self-contained unit, with its mechanical, electrical and hydraulic system fully integrated as one. The equipment allows real time monitoring and control via the computer console.The unique star clamping structure of the main and passive tongs allows the machine to service a bigger catch range. With this design, better work efficiency is achieved as changing of teeth block is not necessary for nominal catch size.  In addition, the operational speed is adjustable and it adopts an automatic control system which prevents equipment wear and ensures longer service life.
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.