316

150 to 180

150 to 180

FIGURE 10 A suction manifold construction to eliminate air pockets (Flowserve Corporation)
FIGURE 11 An integral suction and discharge manifold (Gardner-Denver)

A water hammer creates an additional pressure (which is added to the rated pump pressure), as does hydraulic shock loading. The discharge manifold rating is then made equal to or greater than the sum of these pressures.

Valve Covers Valve covers are used to provide accessibility to the valves without disturbing the cylinder, manifold, or related piping (see Figures 11 and 12.

Plunger Covers and/or Cylinder Heads These are used on horizontal pumps to provide accessibility to the plunger, piston, and cylinder liner (refer to Figures 11 and 12 and see Figure 13).

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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