| Number of the fittings on the piping |
|---|
| Fitting |
Types |
Quantity |
| 45° Elbow |
Standard (R/D = 1) |
|
| Long Radius (R/D = 1.5) |
|
| 90° Elbow Curved |
Standard (R/D = 1) |
|
| Long Radius (R/D = 1.5) |
|
| 90° Elbow Square or Mitred |
|
| 180° Bend |
Close Return |
|
| Tee, Run Through |
Branch Blanked |
|
| Tee, as Elbow |
Entering in run |
|
| Tee, as Elbow |
Entering in branch |
|
| Tee, Branching Flow |
|
| Coupling |
|
| Union |
|
| Gate valve |
Fully Open |
|
| 3/4 Open |
|
| 1/2 Open |
|
| 1/4 Open |
|
| Diaphragm valve |
Fully Open |
|
| 3/4 Open |
|
| 1/2 Open |
|
| 1/4 Open |
|
| Globe valve, Bevel Seat |
Fully Open |
|
| 1/2 Open |
|
| Globe Valve, Composition seat |
Fully Open |
|
| 1/2 Open |
|
| Plug disk |
Fully Open |
|
| 3/4 Open |
|
| 1/2 Open |
|
| 1/4 Open |
|
| Angle valve |
Fully Open |
|
| Y valve or blowoff valve |
Fully Open |
|
| Plug cock |
θ = 5° |
|
| θ = 10° |
|
| θ = 20° |
|
| θ = 40° |
|
| θ = 60° |
|
| Butterfly valve |
θ = 5° |
|
| θ = 10° |
|
| θ = 20° |
|
| θ = 40° |
|
| θ = 60° |
|
| Check valve |
Swing |
|
| Disk |
|
| Ball |
|
| Foot valve |
|
| Water meter |
Disk |
|
| Piston |
|
| Rotary (star-shaped disk) |
|
| Turbine-wheel |
|
| Fittings loss factor: |
|
|
