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Senin, 19 Desember 2016

What You Need To Know About Wet Tapping

By Joyce Taylor


Basically, wet taps and hot taps are usually synonymous and they describe a process where a hole is cut in an existing pressure main. A tapping valve and sleeve are normally used to help in cutting the hole while the under pressure offers a permanent branch connection. Generally, wet tapping can be done on pipes of all types and under various flow and pressure conditions without interrupting the system.

The process of having these wet taps allows professionals to offer supplementing modifications or tie-ins to the existing system which could either be in service or pressurized without causing interruption to the system. As a result, customers are able to save huge sums of money which usually involved cutting the mechanical tee and system shutdown.

During the cutting of the hole on the available main, the size to be cut depends on what service is required. The whole process utilizes a custom designed fitting with a valve whose purpose is to monitor the new connection, pressure in the system and a drilling machine to cut the pipe. It can carried out on any kind of pipe. For example, steel, cast iron, ductile, asbestos, copper, PVC, concrete and cement. The whole procedure is big on saving money since it does not shut the system down.

While installing, the tapping sleeve is usually mounted on the main; whereby the kind of sleeve o be used will be based on what the system requires and what the person in charge needs to use. Once mounting has been carried out, a permanent valve is elongated and later a test on the pressure of the new material is carried out. This is to make sure that the system is proven to have the full integrity and maintain it.

Once the test has been verified, a tapping machine is attached to the valve. Depending on the kind of application selected for the job, a hole is made into a pressurized vessel, a tank, or the main. The tapping machine moves through the tapping sleeve and valve. Then, the bit cutter is attached to the shaft to make the cut into the wall of the pipe. The cut pipe is then retracted from the main and the valve is then closed and the machine disconnected.

The wet taps are usually installed in sewers and water mains in commercial and residential services. They make it possible for installation of new connections without interfering with the flow of the product as well as shutting down the service. A difference between wet and hot taps is that hot taps are installed on other products apart from water and sewages. Hot taps are installed in industrial settings such as hospitals, refineries or chemical plants.

The procedure might not be successful due to various factors. Such factors are such as an inexperienced personnel, incompatible equipment and materials, and piping materials which are difficult to tap or materials that are not recommended for that. To avoid such problems it is essential to use materials, equipment, and services from one manufacturer.

Nevertheless, when hiring a company to do the task, it is essential to look for a company with substantial experience in providing the service. Again, the service provider should provide safe and cost-effective ways for repairing and modifying the pipeline without shutting down the system.




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