Hot tapping is basically a method that allows you attach or connect to a pressurized system like a pipeline or some other pressure vessel, which can be by drilling or cutting, without removing that system from use. Actually, with hot tapping or pressure tapping, enables you to prevent a lot of the costly and likely harmful environment hazards even as you remain assured of the continued use of these systems. Check out the following for more on the facts you need to know of on hot tapping.
By and large, hot tapping typically refers to the installation of connections to plumbing systems even without interrupting the use of these systems. By and large, when it is looked at in the welding concept in strictness, it is the process that allows for the welding onto any equipment that is already in use.
Hot tapping is often employed when it comes to the repairs of the areas that happen to have gotten damaged as a result of effects such as corrosion or to introduce some branches to the systems for modification purposes. In fact, there are a number of outstanding benefits that come with the performance of such kinds of welding techniques, where there is no removal of the from use, and these come in both the environmental and economic fronts.
As you consider hot tapping, you need to know of the fact that there are some risks that come along with it so as to take the necessary measures to prevent these kinds of risks. Problems can be experience with hot tapping in such cases as where there is a burn through, cases of unstable decomposition of the product that is flowing through and as well the risk of hydrogen cracking. Burn through will occur in the event that the area unmelted that so lies below the weld pool happens to be weak as not to be able to contain the internal pressure within the pipes. As such, you need to ensure that the wall has a thickness that is sufficient enough to prevent the risk of a burn through.
Unstable decomposition of the flowing products often leads to violent reactions when there is a heating process under such intense pressures. For you to ensure that such cases or risks of unstable decomposition of the flowing product within the systems, you need to ensure that you have taken all the necessary precautionary measures are taken so as to ensure that the internal temperatures do not exceed or go beyond the critical temperatures which is often dependent on the product that will be flowing therein.