Flowing water in a pipeline possesses kinetic energy because of its mass and velocity. When the water velocity is abruptly changed, this energy is converted to pressure. This pressure occurs in the form of a shock wave which can cause the piping or system components to fail.

The solution to this problem is to allow the fluid column to decelerate gradually. The Flo-Dyne surge arrestor provides a simple, effective method of accomplishing this effect. The surge arrestor and necessary resistance in the energy dissipater are established by a rigorous computer analysis of the connected piping system. The precharge pressure is determined by Flo-Dyne engineers to satisfy the specific operating conditions of the application. The Vessels are generally in accordance with BS5500 and made from welded carbon steel, but other design codes and materials are also available.

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