Stud nut and stud bolt removing equipment for gate valve of nuclear power plant

摘要

The present invention relates to a stud nut and a stud bolt removing device for a gate valve of a nuclear power plant for removing a stud bolt fixed to a gate valve of a nuclear power plant and a stud nut fixed to the stud bolt or a flange. The present invention includes a hollow cylindrical cutter portion with an open bottom. The present invention prevents damage to the threads formed on the stud bolts and removes the fixed stud nuts. In addition, the present invention prevents damage to the thread formed in the bolt fastening hole of the gate valve and removes the stud bolt stuck.