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#1
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What type of pipe for bottom drain
I have my hole almost done. Went to look at 4" pipe for bottom drain and
found a variety of pipe types. There is "sewer and drain pipe" with styrene fittings, Schedule 40 & 80 pipe, and corrugated pipe. I ruled out the corrugated pipe which is flexable because it appears that waste would collect in the groves. This leaves the sewer pipe and schedule 40. The sewer is much thinner but I was told this is used for septic systems outdoors and schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. |
#2
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schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. Sewer will work. |
#3
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schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. Sewer will work. |
#4
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"Ralph" writes:
I have my hole almost done. Went to look at 4" pipe for bottom drain and found a variety of pipe types. There is "sewer and drain pipe" with styrene fittings, Schedule 40 & 80 pipe, and corrugated pipe. I ruled out the corrugated pipe which is flexable because it appears that waste would collect in the groves. This leaves the sewer pipe and schedule 40. The sewer is much thinner but I was told this is used for septic systems outdoors and schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. Two things in my experience. Sewer pipe cannot be made to connect to 'regular' schedule 40 fittings (that I found anyway), so if you want to connect to e.g. a bulkhead fitting it won't work. I never found any threaded fittings and the size is different from regular plumbing fittings and the styrene doesn't work with PVC solvent weld type glues. I had problems with pinhole leaks using the recommended glue. If your pipe is under pressure that prob won't be a problem since the dirt will eventually plug them. My application was a siphon pipe between two barrel filters and it would always lose the siphon, I finally spent the $$ and used regular fittings (the pipe wasn't sched 40 but cheaper and thinner class 125 but the elbows are what costs the big bucks :-) Corrugated actually sounds workable to me if you don't need fittings, I think the stuff that collects in the grooves wouldn't impact flow. It sure is cheap and easy, not sure if it would work with a pipe boot into a liner though, prob not. It probably has pinhole leaks too and I know of no glue for it. "pipe and fittings and glue, oh my!" HTH |
#5
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"Ralph" writes:
I have my hole almost done. Went to look at 4" pipe for bottom drain and found a variety of pipe types. There is "sewer and drain pipe" with styrene fittings, Schedule 40 & 80 pipe, and corrugated pipe. I ruled out the corrugated pipe which is flexable because it appears that waste would collect in the groves. This leaves the sewer pipe and schedule 40. The sewer is much thinner but I was told this is used for septic systems outdoors and schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. Two things in my experience. Sewer pipe cannot be made to connect to 'regular' schedule 40 fittings (that I found anyway), so if you want to connect to e.g. a bulkhead fitting it won't work. I never found any threaded fittings and the size is different from regular plumbing fittings and the styrene doesn't work with PVC solvent weld type glues. I had problems with pinhole leaks using the recommended glue. If your pipe is under pressure that prob won't be a problem since the dirt will eventually plug them. My application was a siphon pipe between two barrel filters and it would always lose the siphon, I finally spent the $$ and used regular fittings (the pipe wasn't sched 40 but cheaper and thinner class 125 but the elbows are what costs the big bucks :-) Corrugated actually sounds workable to me if you don't need fittings, I think the stuff that collects in the grooves wouldn't impact flow. It sure is cheap and easy, not sure if it would work with a pipe boot into a liner though, prob not. It probably has pinhole leaks too and I know of no glue for it. "pipe and fittings and glue, oh my!" HTH |
#6
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Sewer and drain pipe is not designed to be under pressure, in fact most are
run only about 1/3 full. With the pressure of the water from the pond pushing against the bottom drain, I think I would want Schedule 40. In the larger sizes of Schedule 40, there are two types, one is designed for pressure pipe, the other is DWV drain, waste, vent pipe. DWV PVC is compatible with the fittings of either water pipe or dwv. The dwv fittings are generally cheaper, have wider sweeps, Y's instead of T's. -- RichToyBox http://www.geocities.com/richtoybox/index.html "Ralph" wrote in message . .. I have my hole almost done. Went to look at 4" pipe for bottom drain and found a variety of pipe types. There is "sewer and drain pipe" with styrene fittings, Schedule 40 & 80 pipe, and corrugated pipe. I ruled out the corrugated pipe which is flexable because it appears that waste would collect in the groves. This leaves the sewer pipe and schedule 40. The sewer is much thinner but I was told this is used for septic systems outdoors and schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. |
#7
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"Ralph" wrote in message . .. I have my hole almost done. Went to look at 4" pipe for bottom drain and found a variety of pipe types. There is "sewer and drain pipe" with styrene fittings, Schedule 40 & 80 pipe, and corrugated pipe. I ruled out the corrugated pipe which is flexable because it appears that waste would collect in the groves. This leaves the sewer pipe and schedule 40. The sewer is much thinner but I was told this is used for septic systems outdoors and schedule 40 is used for indoor waste lines. The sewer is also less expense and seems to have all the necessary fittings I would need. Any guideance would be appreciated. I used 4'' PVC. Schedule 80, I think. BV. |
#8
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"Hal" wrote in message ... snip There are lots of different configurations being used. I know one guy who cut a hole through the liner 1" smaller than the drain and shoved the drain pipe through about an inch. The liner forms a seal right around the pipe. (He didn't use a clamp, said he didn't need one. snip I did exactly this. I used the very method you are describing. No clamp, so far no leak after almost 2 years. I think I have a link to it under http://www.iheartmypond.com/Design/DIY/Fittings/. BV. |
#9
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"Hal" wrote in message ... snip There are lots of different configurations being used. I know one guy who cut a hole through the liner 1" smaller than the drain and shoved the drain pipe through about an inch. The liner forms a seal right around the pipe. (He didn't use a clamp, said he didn't need one. snip I did exactly this. I used the very method you are describing. No clamp, so far no leak after almost 2 years. I think I have a link to it under http://www.iheartmypond.com/Design/DIY/Fittings/. BV. |
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