Some points related to the employment of the emergency shut-in valve

With the prosperity of the valve industry, the new types are generally being invented to reach the high requirements

. The emergency shut-in valve is one of these new trials. It is pleasant to see that this new product is employed in more and more machinery fields. However, just like the other new being, there still exist some points need being improved, such as under the construction or on the designing process. In order to make a product to be well accepted, the efforts to improve the quality of the product itself are need indeed. Moreover, it is better to make the user to be familiar with it and the ways to reasonably make full use of it. As a result, there are some points related to the emergency shut-in valve which are expected do great favors for the users.

At first, it is necessary to realize the necessity of the emergency shut-in valve. Referring to the literal meaning of this kind of the valve, it is to protect the whole working system when some emergency situations occur. Generally speaking, it is used to control the flow of the water. And the most popular application is within the fire pipeline. Then, it is indeed to know the working condition of this valve. It is made up with the main valve, throttle, pilot valve, pressure gauges and other necessary fittings. In briefly, it works as a result of the pressure difference. In details, it can be explains as follows. When inlet pressure of the main valve is below the set pressure of pilot valve, pilot valve is turned on at this time. As the pressure of cover chamber of the main valve equals to the outlet pressure, the difference occurs between the import and export existing pressure, leading to the flow of the inside water. And if the external force is employed to make the pressure of the pilot valve increase, the spring would be pressed down under the pressure. As a result, the pilot valve would be totally shut off. Thus, the pipeline would be protected.

What else, the place to put the valve should be under careful considerations. It is appreciated to place it regarding of easy adjustment and maintenance. Moreover, it needs efforts to clear the piping before the true opening. If it fails to do this job, many avoidable problems are able to be avoided. And if it has happened after it being put into use, the efforts to fix would be great. Thus, the preparation should be enough. Otherwise, the expectation to achieve the operation at its best state would not be reached.

In words, each newvalve has a long way to go before it is able to be made good use of. Hope the emergency shut-in valve is doing its own contributions.

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Some points related to the employment of the emergency shut-in valve

By: Grace

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