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. Now, when we look at it in the strict welding concept, hot tapping can be said to be that process that allows for the welding onto any equipment that happens to be in use already.
By and large, hot tapping is in most cases used to repair some of the areas that happen to have undergone some damage as a result of mechanical effects like rusting or to introduce branches for modification to the systems in place. 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. Talking of some of the risks that may come with hot tapping that you need to know of going forward is that risk of burn through, hydrogen cracking and the risk of unstable decomposition of the product that you may have flowing through the plumbing or piping systems. A burn through often results from a case where the unmelted area below the weld pool doesn’t have the sufficient strength to balance the internal pressure there is in the pipes. You therefore need to ensure that the wall’s thickness is one that will be as good and sufficient to contain this and as such reduce the risk of a burn through.
Instability in decomposition of the flowing products can result in such violent reactions in the event that they are heated under such pressure. 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.