This gun is referred to as a vacuum gun as it has been conceived to test the joint between the tube and the tube-sheet creating a vacuum in the junction area between the two parts.

This gun weight 1 kg (2.2 Lb) approx.as it is made in aluminium, it is very easy to handle and makes it possible to test tubes with ID as shown in Tab.

Any leakage can be easily detected after having expanded the gasket, created and stabilized the vacuum in the junction area.