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Hydronic Pipe Capacity: steel sch40
Hydronic system pipe capacity data — maximum recommended flow rate (GPM), velocity, friction loss, and inside diameter for closed-loop HVAC hydronic systems by pipe material and nominal size
| pipe material | nominal size in | friction loss ft per 100ft (ft/100ft) | inside diameter in (in) | max recommended gpm (gpm) | pipe roughness ft (ft) | standard | velocity at max gpm fps (fps) |
|---|---|---|---|---|---|---|---|
| steel sch40 | 8 | 4.3 | 7.981 | 700 | 0.00015 | ASHRAE HVAC Systems and Equipment 2020 | 11.2 |
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