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1 29th August 14:20
pszemol
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Posts: 1
Default Very thin walled PVC - where to get it ? (great high)


I see standard schedule 40 pipes in every home-improvement store.
But they are designed for very high pressures (450PSI for 1" pipe).

I have noticed the pipes used in commercialy available overflow
kits (like Oceanic/AllGlass MEGAFLOW) are very thin walled pipes...
For example, their 3/4" OD pipe has 0.950" ID end wall thickness
less than 0.060" - compare to:

SCH40 3/4", ID: 0.824", wall thickness: 0.113"
SCH40 1/8", wall thickness: 0.068" - you got the picture.

The bottom line is that their 3/4" pipe has a similar inside
diameter to a standard SCH40 1" pipe occupying less space
giving also much less resistance to water flow...

All is great, and I would prefer using such pipes over SCH40,
but WHERE CAN I GET SUCH THIN WALLED 1" or 3/4" PVC PIPES ?

Anybody knows?
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2 29th August 14:20
wayne sallee
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Default Very thin walled PVC - where to get it ? (plumbing)


You should have no problem getting thin wall pvc pipe at a
plumbing shop. Ask for thin wall pvc.

But yea some of those pipes you are seeing are a hair
thinner than the thin wall pipes. Thin wall pipes I have
here say SDR21 and SDR26.


Wayne Sallee
Wayne's Pets
Wayne@WaynesPets.com
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3 29th August 14:20
william marsh
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Default Very thin walled PVC - where to get it ? (thick)


I also found thick and thin walled at ACE hardware, if you have them. Bill
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4 29th August 14:20
pszemol
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Default Very thin walled PVC - where to get it ?


Thanks to both of you. Now I know, I will look for SDR21 in my stores.
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5 29th August 14:20
invalid
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Default Very thin walled PVC - where to get it ? (great)


I dunno except for my local farm and feed store, they carry a great
selection of PVC pipe, and the brand name streamline is like paper,
its got to be half the thickness of schedule 40.....Why anyone would
want that thin of walled pipe for domestic water use is beyond me,
however in an aquarium it would be perfect.


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6 29th August 14:20
george
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Default Very thin walled PVC - where to get it ?


You should even be able to get SDR schedule 13.5 if you need it to be that
thin.

George
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7 29th August 14:20
george patterson
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Default Very thin walled PVC - where to get it ?


It's intended for use in water systems that are not under pressure, such as sewers.

George Patterson
Coffee is only a way of stealing time that should by rights belong to
your slightly older self.
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8 29th August 14:21
invalid
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Default Very thin walled PVC - where to get it ?


I can see thinwalled larger diameter stuff commonly sold for septic
tank and waste and vent use, but not the 1/2" up to 1" sizes they
carry. At the most all any of that would be good for is condensate
drain from an air conditioner....Drain pipe is normally considered to
be 1 1/4 inches and up in the thin wall stuff.....but they stock this
stuff by the truck loads and folks buy and use it for water
lines...IIRC its max working pressure is 200 psi. The thinwalled stuff
certainly does not have any merit used to plumb water supplys, and its
only an accident waiting to happen, or its not going to last that
long..I believe they sell this pipe at the local farm supply for
price and price alone. it costs as much as schedule 40 or 80 does.,
and folks just assume pvc pipe is pvc pipe.

--
\\\|///
( @ @ )
-----------oOOo(_)oOOo---------------


oooO
---------( )----Oooo----------------
\ ( ( )
\_) ) /
(_/
The original frugal ponder ! Koi-ahoi mates....
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9 29th August 14:21
pszemol
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Posts: 1
Default Very thin walled PVC - where to get it ?


I do not know about you, but my tap water is 40PSI only, so if the SDR21
gives reliable 200PSI than I have no reason to think it cannot be used
in tap water applications - lets say, like running tap water to your pig farm
to source water for pigs in their drinking fountains... You need a lots of pipe!

As far the price is concerned - have you compared SDR21 and SCH40 prices
in the same store ? In the same market ?
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