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Pipe Fittings: Valve, Plug valve, branch flow
Pipe fittings loss coefficients — Darby 3K method K-factors for elbows, tees, valves, and other fittings
| fitting type | K1 (dimensionless) | K ref (dimensionless) | Kd (dimensionless) | Ki (dimensionless) | category | description |
|---|---|---|---|---|---|---|
| Valve, Plug valve, branch flow | 500 | 1.747094 | 4 | 0.41 | Valve | Darby 3K: K = 500.0/Re + 0.41*(1 + 4.0/D^0.3) |
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