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Pipe size?
How much difference will there be between 2 and 3 inch pipe? I'm trying
to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks |
Whoops, here's the url: http://home.comcast.net/~grumpy232/pondpage.htm
Grumpy wrote: How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks |
"Grumpy" wrote in message news:_veWc.72162$TI1.30000@attbi_s52... How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks When I was building my pond, someone told me to go big. I went 4''. I am happy I did. Nothing ever gets clogged, and I am sized to handle anything I can throw at it. My two cents, says go big. BV. |
"Grumpy" wrote in message news:_veWc.72162$TI1.30000@attbi_s52... How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks When I was building my pond, someone told me to go big. I went 4''. I am happy I did. Nothing ever gets clogged, and I am sized to handle anything I can throw at it. My two cents, says go big. BV. |
I have a Sequence 7200 and Aqua Ultima filter. The original guy who built
this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. gary "Benign Vanilla" wrote in message ... "Grumpy" wrote in message news:_veWc.72162$TI1.30000@attbi_s52... How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks When I was building my pond, someone told me to go big. I went 4''. I am happy I did. Nothing ever gets clogged, and I am sized to handle anything I can throw at it. My two cents, says go big. BV. |
I have a Sequence 7200 and Aqua Ultima filter. The original guy who built
this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. gary "Benign Vanilla" wrote in message ... "Grumpy" wrote in message news:_veWc.72162$TI1.30000@attbi_s52... How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks When I was building my pond, someone told me to go big. I went 4''. I am happy I did. Nothing ever gets clogged, and I am sized to handle anything I can throw at it. My two cents, says go big. BV. |
"gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. |
The 3" to the input is no problem. The bottom drain and skimmer are
plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. |
You can look at the pipe friction head loss chart shown on this site to see
what the differences in head for different pipe diameters and calculate the anticipated flow rate. http://www.aquaart.com/pondFLC.html RichToyBox http://www.geocities.com/richtoybox/index.html "Grumpy" wrote in message news:_veWc.72162$TI1.30000@attbi_s52... How much difference will there be between 2 and 3 inch pipe? I'm trying to do 3 inch flexible pvc pipe all through out. One problem I am for seeing is that one of the filter's I'm planning to use only has 1 ½ inch ports (aqua ultima II). Take a look at the bottom of the page of my schematic so far. It just seems that 2 inch stuff is more available. Thanks |
Grumpy wrote:
Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. The 3" to the input is no problem. The bottom drain and skimmer are plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks The pump doesn't give a rip what your pipe diameter is, all it cares about is the static and dynamic head. Bigger pipe gives you a smaller dynamic head for a given flow rate. You *might* run into the situation where the system is overdesigned (dynamic head is so low that static head is all the pump is pushing against), but I doubt you'll run into that situation with only 3" pipe. If you want to be sure, figure out the system's dynamic head from the tables referenced in Richard's post, and check against the flow curves for your pump. |
All I really want to know is, is it worth going to a 3 inch pipe from a
1 1/2 inch port from the filter. Andy Hill wrote: Grumpy wrote: Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. The 3" to the input is no problem. The bottom drain and skimmer are plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks The pump doesn't give a rip what your pipe diameter is, all it cares about is the static and dynamic head. Bigger pipe gives you a smaller dynamic head for a given flow rate. You *might* run into the situation where the system is overdesigned (dynamic head is so low that static head is all the pump is pushing against), but I doubt you'll run into that situation with only 3" pipe. If you want to be sure, figure out the system's dynamic head from the tables referenced in Richard's post, and check against the flow curves for your pump. |
Using the performance chart located at www.fancykoioutlet.com with a static
head of 5 foot and assuming that pipe, valves, elbows, filter head, etc. is equivalent to 100 foot of pipe, a 2 inch pipe will give about 80 gallon per minute, while the 3 inch will give about 100 gallon per minute. It the equivalent length of pipe were 50 foot the flow 3" pipe would have almost no difference, while the 2 inch pipe would yield a flow of about 95 gallons per minute. As you can see, the pipe diameter, number of fittings, length of pipe, filter components, and other factors. If your plumbing is mostly straight runs with a minimum of elbows, valves, tees, based on your schematic and my approximation of distances based on the block counts, you may be able to get the equivalent length down to about 30 foot, but with many fittings, it could go as high as 100 foot since each elbow is equivalent to about 4 foot of pipe and each valve (fully open is equivalaent to about 2 foot of pipe. -- RichToyBox http://www.geocities.com/richtoybox/index.html "Grumpy" wrote in message news:qFRWc.38848$9d6.21590@attbi_s54... All I really want to know is, is it worth going to a 3 inch pipe from a 1 1/2 inch port from the filter. Andy Hill wrote: Grumpy wrote: Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. The 3" to the input is no problem. The bottom drain and skimmer are plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks The pump doesn't give a rip what your pipe diameter is, all it cares about is the static and dynamic head. Bigger pipe gives you a smaller dynamic head for a given flow rate. You *might* run into the situation where the system is overdesigned (dynamic head is so low that static head is all the pump is pushing against), but I doubt you'll run into that situation with only 3" pipe. If you want to be sure, figure out the system's dynamic head from the tables referenced in Richard's post, and check against the flow curves for your pump. |
Well, my unofficial advice is to just do it. You're going to spend money to
get 1.5" pipe anyway, so spend a bit more and get the most of your investment. Or do what I do and get the smaller stuff and just upgrade every other year (and pull out that checkbook). I am the guy with the $350 sequence pump on the side of my house not sure what to do with it now. "RichToyBox" wrote in message news:rMSWc.304517$a24.115577@attbi_s03... Using the performance chart located at www.fancykoioutlet.com with a static head of 5 foot and assuming that pipe, valves, elbows, filter head, etc. is equivalent to 100 foot of pipe, a 2 inch pipe will give about 80 gallon per minute, while the 3 inch will give about 100 gallon per minute. It the equivalent length of pipe were 50 foot the flow 3" pipe would have almost no difference, while the 2 inch pipe would yield a flow of about 95 gallons per minute. As you can see, the pipe diameter, number of fittings, length of pipe, filter components, and other factors. If your plumbing is mostly straight runs with a minimum of elbows, valves, tees, based on your schematic and my approximation of distances based on the block counts, you may be able to get the equivalent length down to about 30 foot, but with many fittings, it could go as high as 100 foot since each elbow is equivalent to about 4 foot of pipe and each valve (fully open is equivalaent to about 2 foot of pipe. -- RichToyBox http://www.geocities.com/richtoybox/index.html "Grumpy" wrote in message news:qFRWc.38848$9d6.21590@attbi_s54... All I really want to know is, is it worth going to a 3 inch pipe from a 1 1/2 inch port from the filter. Andy Hill wrote: Grumpy wrote: Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. The 3" to the input is no problem. The bottom drain and skimmer are plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks The pump doesn't give a rip what your pipe diameter is, all it cares about is the static and dynamic head. Bigger pipe gives you a smaller dynamic head for a given flow rate. You *might* run into the situation where the system is overdesigned (dynamic head is so low that static head is all the pump is pushing against), but I doubt you'll run into that situation with only 3" pipe. If you want to be sure, figure out the system's dynamic head from the tables referenced in Richard's post, and check against the flow curves for your pump. |
Well, my unofficial advice is to just do it. You're going to spend money to
get 1.5" pipe anyway, so spend a bit more and get the most of your investment. Or do what I do and get the smaller stuff and just upgrade every other year (and pull out that checkbook). I am the guy with the $350 sequence pump on the side of my house not sure what to do with it now. "RichToyBox" wrote in message news:rMSWc.304517$a24.115577@attbi_s03... Using the performance chart located at www.fancykoioutlet.com with a static head of 5 foot and assuming that pipe, valves, elbows, filter head, etc. is equivalent to 100 foot of pipe, a 2 inch pipe will give about 80 gallon per minute, while the 3 inch will give about 100 gallon per minute. It the equivalent length of pipe were 50 foot the flow 3" pipe would have almost no difference, while the 2 inch pipe would yield a flow of about 95 gallons per minute. As you can see, the pipe diameter, number of fittings, length of pipe, filter components, and other factors. If your plumbing is mostly straight runs with a minimum of elbows, valves, tees, based on your schematic and my approximation of distances based on the block counts, you may be able to get the equivalent length down to about 30 foot, but with many fittings, it could go as high as 100 foot since each elbow is equivalent to about 4 foot of pipe and each valve (fully open is equivalaent to about 2 foot of pipe. -- RichToyBox http://www.geocities.com/richtoybox/index.html "Grumpy" wrote in message news:qFRWc.38848$9d6.21590@attbi_s54... All I really want to know is, is it worth going to a 3 inch pipe from a 1 1/2 inch port from the filter. Andy Hill wrote: Grumpy wrote: Benign Vanilla wrote: "gng" wrote in message ... I have a Sequence 7200 and Aqua Ultima filter. The original guy who built this used 1.5 inch, but when you do the math you actually get nearly twice the water with 2" pipe. Been told the intake is the most important place to have the larger pipe. Sequence told me to use 3" if I could for even more flow. snip I would agree. Never restrict the input to your pump. BV. The 3" to the input is no problem. The bottom drain and skimmer are plumbed for 3". It's the output I have concern for. I want as much flow as possible to the falls. Will I be able to do 3" from the Ultima? Thanks The pump doesn't give a rip what your pipe diameter is, all it cares about is the static and dynamic head. Bigger pipe gives you a smaller dynamic head for a given flow rate. You *might* run into the situation where the system is overdesigned (dynamic head is so low that static head is all the pump is pushing against), but I doubt you'll run into that situation with only 3" pipe. If you want to be sure, figure out the system's dynamic head from the tables referenced in Richard's post, and check against the flow curves for your pump. |
Grumpy wrote:
All I really want to know is, is it worth going to a 3 inch pipe from a 1 1/2 inch port from the filter. Almost certainly. |
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