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Resilient seal gate valve

There are a few things that you need to keep in mind regardless of whether your gate valve uses a robust seal or a more typical body-to-bonnet seal. The objective is to extend the life of the resilient seal gate valve while simultaneously reducing the amount of wear and tear on the gate and seat.

Body-to-bonnet seals

Several different approaches have been suggested as potential solutions for sealing the body-to-bonnet joint connections of valves. Threaded connections and welded connections are two examples of these procedures. Welded connections are not only easier to make but also lighter in weight as compared to threaded connections. In addition, the use of stud bolts is not necessary for their assembly. In addition to this, they get rid of any potential leak channels between the body and the bonnet joint pieces.

Metallic gaskets are the typical material used in the construction of pressure seal gate valve body-to-bonnet seals. Sheet gaskets are another option for their construction. These gaskets are adaptable to both low pressure and high pressure valves, making them very versatile.

The pressure seal bonnet joint is made up of a cantilever deflectable section on the radially inner portion and an expanded flange that goes all the way around the perimeter of the bonnet. Within the larger part, there is a threaded aperture that extends. This aperture faces the side wall of the flange that is attached to the valve body. The annular protrusion of the valve bonnet flange can fit through this aperture since it is large enough to accommodate it.

About forty percent of the width of the bonnet flange is taken up by the deflectable part 34. The fluid pressure within the valve chamber pushes the deflectable section toward the valve body flange. This movement is caused by the valve chamber.

Why choose Alpine Flow Resilient seal gate valve?

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