Lock Connection for Process pipes

Designed to connect process pipes and for welded pipes TT 95-57-73 according to TU 39-0147016-42-93. The proposed locks can be used both with new process pipes and for repair of technological pipes of the welded version TT 95-57-73 according to TU 39-0147016-42-93. Lock threads have additional surface hardening. Functionally, repair locks are fully interchangeable with welded locks on process pipes. Repair can be carried out in the conditions of any workshop pipe base.