harry123
Active member
- Messages
- 33
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- Merthyr Tydfil
Do you think a 35psi pump is good enough to use ? This is for a trolley system
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Do you think this could possibly why I’m getting spotting ?Most people use 60 or 100 psi pumps but on a short length of hose or low heights it will work just not a great flow
Invariably spotting is caused by not enough pure water being used to rinse the dirty water off the window.Do you think this could possibly why I’m getting spotting ?
The flow will allow you to apply more water so it is very important, I was taught that the water from the brush should travel at least 2 feet before starting to dropSo nothing to do with the flow then just need to rinse a lot more thoroughly
Thanks mate I will look into getting a higher psi pumpI did once read that you need 5PSI for each 10 feet your working at there is also a need to consider hose resistance. A 60PSI will [probably be the least you would want on a trolley. Interns of flow volume depending on what the site requires your probably looking fo flow between 1 to 2 lpm and a little more for rinsing.
This blog post does give a little more detail http://springltd.co/blog/84/flow-resistance-and-volume