Pioneer Intertrade offers from TECHNODATA, Germany tube tester type 5373, for tubes 7,1 - 31,3 mm [.28"-1.23"] ID., is suitable to detect leaks or breaks of tubes between tube sheets. The tube tester consists of air injection gun and plugging gun. The plugging gun with support tube and matching set of seals plugs one end of the tube. By means of air injection gun testing pressure is obtained. Leaks are detected by loss of pressure indicated on the air pressure gauge. Seal expanding is air activated. For tubes with 31,5 - 64,3 mm [1.24"-2.53"] ID use tube tester type 5373 A.
