gas pipe sizing

Hello, im trying to size a copper pipe to move LPG from a tank to a gas burner 25meters away. I need 180kw (600.000BTU/h) capacity. First stage pressure reducer lowers gas to 1.5 bar. Second stage pressure reducer can goes from around 0.5 - 1.5bar and outputs milibars. 1st way of doing it : Use...

Hey guys! I found this forum searching for answers to my question. I can’t find anything so hopefully someone here can help me. I am not a plumber but used to do a lot of outside work running rigid and pvc pipe when I was in the electrical union and do most of the work at my house. I just got a...