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Elevated storage tanks

31 bytes added, 06:55, 8 November 2012
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Elevated tanks do not require the continuous operation of pumps. Short term pump shutdown does , as it will not affect water pressure in the distribution system since the pressure is maintained by gravity. And strategic Strategic location of the tank can equalize water pressures in the distribution system. However, precise water pressure can be difficult to manage in some elevated tanks.
The pressure of the water flowing out of an elevated tank depends on the depth of the water in the tank. A nearly empty tank probably will not provide enough pressure while a completely full tank may provide too much pressure. The optimal pressure is achieved at only one depth(which is even more specific for standpipes than for tanks elevated on legs). The length of the standpipe causes continual and highly unequal pressures on the distribution system. In addition, a significant quantity of the water in a standpipe is required to produce the necessary water pressure. The water below a certain level is therefore used only as a support, unless booster pumps are available for emergency use of this water.
The optimal depth of water for While elevated tanks provide the purpose of producing best pressure is even , they are far-more specific for standpipes than for tanks elevated on legs. The length of the standpipe causes continual expensive and highly unequal pressures on the distribution system. In additiongenerally, a significant quantity of the water only used where supply is in a standpipe is required to produce the necessary water pressure. The water below a certain level is therefore used only as a support, unless booster pumps are available for emergency use of this waterhigh demand.
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