Underground OIL pipe, Maybe someone can steer me to where I can find Info' What is Max distance Using 10mm , When should I use 15mm or even larger. I assume I am right that no Joints allowed Underground, Which prevents me using 15mm part way. Ged.
Unless you are going hundreds of yards, you will not see a problem with 10mm. You could use 6mm for around 80m if you want. For non-believers look here and go to page 11.
Don't know. I bet there would be loads of theorists on one side or the other. With more pipe there will be more resistance, so more power required from the pump, but with low flow rates (say < 5l/h) not much power is needed anyway. Also if you can run 80m in 6mm that's more resistance than 500m of 10mm, and who has a 500m run?
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