It depends on flow.
2 PSI for 500 GPM
8 PSI for 1000 GPM
18 PSI for 1500 GPM
32 PSI for 2000 GPM
This is per 100' ft
If your flows are big, ie.
defensive conditions, you must relay for anything over a couple hundred feet in length.
Capt. Ridgeway
Tumwater
Fire
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Weight of 50ft section of 3 inch hose with water in it?
109 lbs with no water
All else being equal, a 2-inch hose carries 4 times the volume as a 1-inch hose.
That section of hose holds 25.5 gallons of water when it's full, which weighs about 213 pounds. To that, add the weight of the empty hose, which I don't know.
9 and 10 respectively. Both have remainders but you may not be able to use it to make a new one