Robco Expert

One major reason your joints may be leaking... and it is not the gasket. There are a number of reasons that contribute to a seal joint failure, including weak bolt material, improper installation, inadequate bolting torque or poor flange design. Yet, if a joint fails and leaks, the immediate culprit will usually be the... gasket. Perhaps, a flange inspection would be the first analysis to do Flange face damage is an important parameter that may restrict a gasket to seal properly.  We need to take this into consideration when we analyze the sealing failure of a junction. Among flange face damages, we can find: Scratches: This type damage is narrow and elongated with sharp, shallow bottoms. However, depending on the force that created them, they can be deep. Frequently, this type of damage is created by a sharp object dragging across the flange face. These objects may include the bristles of a wire brush or a tool, such as a chisel. Gouges: These are wide and elongated with ...