That water pressure in water main will not reduce to ‘zero’ but a sufficient amount of residual pressure will always remain present in the main line; which would results in availability of water in all distributary lines, in equal proportions, during entire supply period;
As sufficient residual pressure would always remain available in the water main; no contaminants from outside (of water main) would get entry into the water main and thus contamination of potable water is avoided;
We can easily use water pumps to boost water pressure in various distributary lines, independently, because such an act would not affect to water pressure in water main, as it was previously affecting it very miserably.
That water pressure in water main will not reduce to ‘zero’ but a sufficient amount of residual pressure will always remain present in the main line; which would results in availability of water in all distributary lines, in equal proportions, during entire supply period;
As sufficient residual pressure would always remain available in the water main; no contaminants from outside (of water main) would get entry into the water main and thus contamination of potable water is avoided;
We can easily use water pumps to boost water pressure in various distributary lines, independently, because such an act would not affect to water pressure in water main, as it was previously affecting it very miserably.
Availability of excessive flow rate at downstream of all taps (water outlet); because a PRV, installed at an entry point results in reduction of static pressure to a desired level (a part of total pressure), only and not in reducing of total pressure.
Un-equal water distribution at downstream of water taps; whenever, two or more water taps are being used for water collection, simultaneously.
From practice, it has also been observed that in buildings of a hill area; none of the water management device is being used because; PRV is a costly device (with frequent repair requirements and limited useful life). Also, in hill areas, most of the people are of weaker financial status living at below the poverty line i.e. at the base of pyramid.
Availability of excessive flow rate at downstream of all taps (water outlet); because a PRV, installed at an entry point results in reduction of static pressure to a desired level (a part of total pressure), only and not in reducing of total pressure.
Un-equal water distribution at downstream of water taps; whenever, two or more water taps are being used for water collection, simultaneously.
From practice, it has also been observed that in buildings of a hill area; none of the water management device is being used because; PRV is a costly device (with frequent repair requirements and limited useful life). Also, in hill areas, most of the people are of weaker financial status living at below the poverty line i.e. at the base of pyramid.
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