Redman1 | 06-21-2008 | comment profile send pm notify |
I have a question. I run a small line rock pump, and I get a lot of line surge with my rubber 3" and 2.5" the first 75' or so. After that the line does not move hardly at all. I was wondering if I ran say 50-70' of steel first if it would take away the surge. I have asked before about the surege and am aware of the in line surge chambers, but don't think it would be practical for me at this time. Any advice?
Thanks, Cory. |
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hatchet | 06-21-2008 | reply profile send pm notify |
acpa handbook says that ten feet of rubber hose produces the same friction as thirty feet of steel pipe if i remember correctly. so it might help with the surge. |
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SoCal 153 | 06-21-2008 | reply profile send pm notify |
running pipe is definently the way to go If I have 200 ft of 2 1/2" hose I usually like to throw out about 50 or 60 ft of 4" pipe then reduce down. You'll still have surge in the hose but not as bad as if you run the hose straight off the back of the pump you have to remember all the pressure is right there off the back of the pump, If you run a couple of pieces of 4" pipe it will absorb up a lot of that surge for you like Hatchet said in the last post 1 10' four inch hose equals out to 30ft of pipe. Then when you reduce down to 3" or 2 1/2" after the 4" pipe a lot of that pressure and surge will be tooken out of it but always remember before you take a clamp off no matter if it's the first one off the ass end or your last hose always take to strokes back to relieve the pressure. I noticed you were talking about a surge tank if you want 3/4 of the surge tooken out of your line run it! The trick to them though is you want the tank to be 3 feet or 4 feet long so that way every time your pump takes a stroke all the air goes in to the tank. Usually when I have system I'll throw one off the second pipe and throw another one out about another 50 or 60 feet again depending on how much system I have and I notice I barely have any surge at all. You always want to make sure though before you start pumping you oil down the Tank inside because if you don't and concrete starts to build up inside the surge tank is useless. |
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hammah | 06-21-2008 | reply profile send pm notify |
pipe is definetly the solution also pining your hose at the clamps or tieing off your first couple hoses off of the reducer, or sometimes doing all of that. different ways for different jobs meaning 1) if you have a pour where you will be braeking your line back towrds the pump your probly better off pinning or tieing off your hose. 2) if you have a pour where you wouldnt be braeking your line back to the pump then you could lay out pipes as far out as you need. when you figure out how the different ways work out you can tell what way would be good for what kind of pours. |
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bri | 06-22-2008 | reply profile send pm notify |
When i used to run line pumps i used as much pipe as i coul then only put on the hoses thaat i needed. pipe is the best solution to all problems. |
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Bob | 06-22-2008 | reply profile send pm notify |
I agree 100%. Hose may or not be easier. Pipe is smarter. |
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kneerick | 06-24-2008 | reply profile send pm notify |
back when i used to run a line pump i would use concrete steaks at each clamp near the pump to help control the surge |