Pressure And Bld'g. Ht. Question

Hello,

Let's say that the pressure reducer for an incoming water line to a residential house is set at 50 psi, and that it works "perfectly" in that it will always keep the downstream p at the reducers exit at exactly 50 psi.

Two floors above there is a shower. (not running) Assume 17 feet higher than the p regulator. If we take 34 feet of "head" as being 15 psi, then 17 feet of head is about

7.5 psi.

Would the (static) pressure at the shower head be, therefore just 50-7.5 =

42.5 psi ?

Thanks, B.

Reply to
Robert11
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First, your building has some really low ceilings. Second, are you sizing shower valves or what??? Now considering the valve is 18" AFF, & the shower head is 6.5' AFF (above finished floor) then, Third, could you rinse the soap off your jack handy on the 20th, 21st or

22nd floor? (If, of course, your willing to wait)

geothermaljones

Reply to
geothermaljones

static pressure? How about equal through out. Maybe you should worry about dynamic pressure. Better yet.. Just measure it and be done with the niggling formulizations. No real engineer ever trusts the figures without a hands on test. Unknown variables can and do occur.

Reply to
Don Ocean

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