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Any Plumbers out there

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Any Plumbers out there

Post  choksaw on 4/10/2010, 5:30 pm

didnt know if i should put this here or in the main forum

I recently installed a drip irrigation system in my garden the emmiters are supposed to have an adjustable drip to small spray pattern but no matter how much i adjust or tweak them the flow does not change pattern im guessing the water pressure from the well is the culprit even though the reduction from 3/4 to 1/4 inch should increase the flow rate, my question is there anyway to increase the flow rate from the well to my garden at a minimal expense?

Im open to all ideas as i would love for the emmiters to be useable to thier fullest effect.

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Re: Any Plumbers out there

Post  camprn on 4/10/2010, 5:35 pm

The first thought that comes to my mind is an elevated cistern. Of course, I'm a nurse, not a plumber... Wink

edit: I found this link pertaining to florida http://edis.ifas.ufl.edu/ae029


Last edited by camprn on 4/10/2010, 5:55 pm; edited 1 time in total

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Re: Any Plumbers out there

Post  boffer on 4/10/2010, 5:40 pm

Here's what I know, you decide if it's any help

Well pumps are set up around here to turn on at 40 psi off at 60.

You don't want to mess with that. You would want to consider an external pump to boost pressure.

Reducing your pipe size reduces your flow rate.

Try reducing pressure to your system. I've had sprinklers work at lower pressures and not at higher pressures. Now that I think about it, I bought a drip kit years ago that had an inline pressure reducer in it.

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Re: Any Plumbers out there

Post  Toastie on 4/11/2010, 12:30 am

@choksaw wrote:didnt know if i should put this here or in the main forum

I recently installed a drip irrigation system in my garden the emmiters are supposed to have an adjustable drip to small spray pattern but no matter how much i adjust or tweak them the flow does not change pattern im guessing the water pressure from the well is the culprit even though the reduction from 3/4 to 1/4 inch should increase the flow rate, my question is there anyway to increase the flow rate from the well to my garden at a minimal expense?

Im open to all ideas as i would love for the emmiters to be useable to thier fullest effect.

Well I am not a plumber but a recent engineering graduate. Who just drank a case of beer
Your flow rate is Q=AV where Q is the volumetric flow rate (cubic feet) A is the Area of the pipe and V is the velocity. Bernoulis Equation will tell you that pressure 1 + velocity 1 + friction loss = Pressure 2 + velocity 2 + pump. If velocity 1 is what you are looking to increase you can try adding a pump or somehow increasing pressure. If you are using some sort of rain collector you might try raising the height (if possible) which would help increase the pressure

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Re: Any Plumbers out there

Post  camprn on 4/12/2010, 9:10 am

@Toastie wrote:
@choksaw wrote:didnt know if i should put this here or in the main forum my question is there anyway to increase the flow rate from the well to my garden at a minimal expense? Im open to all ideas as i would love for the emmiters to be useable to thier fullest effect.

Well I am not a plumber but a recent engineering graduate. Who just drank a case of beer...
If you are using some sort of rain collector you might try raising the height (if possible) which would help increase the pressure

Uh, I already said that, sort of... LOL

camprn

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Re: Any Plumbers out there

Post  Toastie on 4/14/2010, 10:49 pm

@camprn wrote:
@Toastie wrote:
@choksaw wrote:didnt know if i should put this here or in the main forum my question is there anyway to increase the flow rate from the well to my garden at a minimal expense? Im open to all ideas as i would love for the emmiters to be useable to thier fullest effect.

Well I am not a plumber but a recent engineering graduate. Who just drank a case of beer...
If you are using some sort of rain collector you might try raising the height (if possible) which would help increase the pressure

Uh, I already said that, sort of... LOL
hehe well I was drunk when I was posting

Toastie

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Re: Any Plumbers out there

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