Seal and strength weld removal applications for heat exchangers and boilers are the primary focus of our machining technology. The rugged design features a selfaccepting torque system with self-centering inner clamping which allows one skilled operator to make end preps quickly and safely, avoiding the slow and arduous process of grinding. The in-house manufactured pneumatic drives are resilient and powerful. The carefully selected quality european bearings ensure great support to the drive shaft, right angle gear assembly and cutter head. This provides rigidity and unparalleled stability.
KRAIS Tube Expanders is a company with almost 40 years of experience in designing, manufacturing and delivering top quality tube tools.
KRAIS operates a Quality Management System which complies with the requirements of ISO 9001:2015. An electronic certificate can be authenticated here.