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#1
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Is my pump working to hard?
Something occurred to me yesterday. The return pipe from my VF sits at an
angle, and the VF end is above the water level of the main pond. The pond end is about 8 inches below the water line. The output of the pump is stepped up to 4 inch, so it is essentially a sealed pipe, in that no water can enter the pipe from the VF unless it is pumped there. This means that there is actually an air space in the pipe. The water is pumped in, and flows down in to the pond. You can see a crude drawing at: http://www.darofamily.com/jeff/links...d/airspace.gif I disconnected the pump the other day, so I could empty the VF and I could hear air escape from the 4 inch pipe. Hearing the air escape made me thing there was some pressure in the pipe. Could my pump be working against this? Should I put a T fitting in and let some of this escape? -- BenignVanilla Pond Site: www.darofamily.com/jeff/links/mypond Remove MYFRONTALLOBE to email me. |
#2
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Is my pump working to hard?
BV, not sure why you're hearing air, perhaps it was just the water level
equalizing in the pipe after the pump was turned off? Regarding your drawing though, how are you aerating your pond? Most of us have our returns above water level, if not flowing down streams and waterfalls. ~ jan On Mon, 2 Jun 2003 13:49:23 -0400, "BenignVanilla" m wrote: Something occurred to me yesterday. The return pipe from my VF sits at an angle, and the VF end is above the water level of the main pond. The pond end is about 8 inches below the water line. The output of the pump is stepped up to 4 inch, so it is essentially a sealed pipe, in that no water can enter the pipe from the VF unless it is pumped there. This means that there is actually an air space in the pipe. The water is pumped in, and flows down in to the pond. You can see a crude drawing at: http://www.darofamily.com/jeff/links...d/airspace.gif I disconnected the pump the other day, so I could empty the VF and I could hear air escape from the 4 inch pipe. Hearing the air escape made me thing there was some pressure in the pipe. Could my pump be working against this? Should I put a T fitting in and let some of this escape? See my ponds and filter design: http://users.owt.com/jjspond/ ~Keep 'em Wet!~ Tri-Cities WA Zone 7a To e-mail see website |
#3
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Is my pump working to hard?
"~ jan JJsPond.us" wrote in message
... BV, not sure why you're hearing air, perhaps it was just the water level equalizing in the pipe after the pump was turned off? Regarding your drawing though, how are you aerating your pond? Most of us have our returns above water level, if not flowing down streams and waterfalls. ~ jan Jan, right now I am not aerating aside from stirring the water periodically when I do water changes. I tend to splash the water a lot then. I also periodically allow the pump to just shoot water up in the air. This weekend, I will either be adding a water feature or an air stone. It depends on my time. I know I need aeration, just trying to decide method. BV. |
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