Water Pressure Range Question

Also, different homes could have different needs. If it's a new house everything could work perfectly fine at 45PSI. If it's an older home with less than perfect piping, or has say a lawn sprinkler system that is having difficulty reaching some area, then 60PSI could help. Since any pressure within a reasonable range is OK, I don't see why recommendations should state a fixed number. If they did, how about people whos's system is set to say 45 see the recommendation for

55 and decide to go screw around with the pressure regulator. Maybe in the process, creating real problems....
Reply to
trader4
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about 250' away and

put 65 psi at the

st floor of the

even less on the

d involve replacing

r installing a

Hide quoted text -

WTH is that mish mash supposed to mean?

Simple. Pump fills pressure tank no matter where it is. Pump shuts off at cut-off pressure. That is the STATIC pressure. Open valve and water flows with DYNAMIC pressure dropping. It does that whether it is a pumped sytem or feeding from a reservoir. What the DYNAMIC pressure is determines hwo well the system works.

You are talking to a peson who has fooled with and cussed these systems for 60 years including being the unpaid maintenance man for our community well. No longer, I had a well drilled here to get off that community one because I wanted otu of the maintenance bit AND WANTED A DYNAMIC PRESSURE tha would run a sprinkler.

You keep coming up with weird posts that really say nothing.

I repeat again: Static pressure is not the criteria for system operation. It is a beginning point and that is all.

If you care to refute it go ahead but all you are doing is dancing around it. Harry K

Reply to
Harry K

about 250' away and

put 65 psi at the

st floor of the

even less on the

d involve replacing

r installing a

Hide quoted text -

BTW no power on a pumped system does _not_ mean mean instantly no water. I suggest you discover what the pressure tank is for.

Harry K

Reply to
Harry K

:

ted about 250' away and

output 65 psi at the

first floor of the

and even less on the

would involve replacing

mp or installing a

e.- Hide quoted text -

No shit? Odd, that figure has been known for hundreds of years or more. Did you just find it out?

Well, no shit Dick Tracy. The Russians have a saying for such "Look, he just discovered America" which is about a sarcastic as it can get.

Which I pointed out in my first post. Which you somehow either missed or decided to argue about.

Since you just repeated what I have been saying since the beginning of this idiotic diversion... Did I perhaps educate you to the point you can regurgitate it? My whole point in this is that you keep saying things that everyone already knows and adding zilch to the thread.

If there is any misunderstanding it is on your part. My posts were clear to anyone older than 9.

I see you didn't address your error in saying that no electricity results in instant no water.

Now if you can go back through the thread and quote _anything_ that shows I don't understand what I am talking about feel free. I won't hold my breath.

Harry K

Reply to
Harry K

e:

te:

cated about 250' away and

to output 65 psi at the

he first floor of the

or and even less on the

t would involve replacing

pump or installing a

se.- Hide quoted text -

"Simple. Pump fills pressure tank no matter where it is. Pump shuts off at cut-off pressure. That is the STATIC pressure. Open valve and water flows with DYNAMIC pressure dropping. It does that whether it is a pumped sytem or feeding from a reservoir. What the DYNAMIC pressure is determines hwo well the system works".

It is not the static pressure. The pump is stopped or static, but that's something else.

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Reply to
harry

ote:

rote:

PSI and 60 PSI?

located about 250' away and

t to output 65 psi at the

the first floor of the

loor and even less on the

hat would involve replacing

r pump or installing a

22 psi at 100'

ic pressure is

er se.- Hide quoted text -

So the pumps shuts off at say 50psi. Gauge on system with no flow says 50 psi. That is the static pressure. I read, rather scanned, the article. Nice PhD dissertation...has very little practical application in plumbing systems. Now if you can explain how the 50psi on the gueage with no flow is _not_ the static, hydyrostatic or whatever pressure, have at it.

You still haven't explained your "no electricity means intant no water" - it doesn't if there is a pressure tank in the system.

Harry K

Reply to
Harry K

Horse shit!

Talk to any "mechanic" who deals with hydraulic systems and ask him what static pressure is. Static pressure is that containined in a system at rest whether provided by gravity, pump, or thd hand of God. Here are a couple dictionary definitions. Oddly they fit what I have been saying and show what you are trying to pull is wrong.

---------------------------------------------- static pressure =96nounPhysics. the pressure exerted by a fluid that is not moving or flowing.

Science Dictionary static pressure The pressure exerted by a liquid or gas, especially water or air, when the bodies on which the pressure is exerted are not in motion.

------------------------------------ Note that the definitions don't give a rat's ass what is supplying the pressure.

Now that is laughable! A presure tank will contain an air "bubble" that is compressed plus a water volume. I can draw at least 5 gallongs of watter out of mine when the power shuts off. Larger tanks will have even more of a reserve.

I suspected you didn't know anything about pressure tanks and you just proved it. The only thing you got right was the purpose of the tank - to prevent 'short cycling" - another trade term you need to learn about. You might study up on just how that air bubble accomplishes that. While doing so, look up "pre-charge" and how to set it.

Know it? Of course I do as does anyone dealing with hydraulic systems. It is why those systems work.

Harry K

Reply to
Harry K

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