Close Return Bend 50 1.35 1.25 1.15 1.10 1.05 0.95 0.90 0.85 0.75 0.
Fittings are standard with full openings.
The K values given below are for making estimates of friction loss in cases not covered in the previous tables. 40 pipe from the table below where K is the pipe diameter in feet. Pipe Size Inches Sch. 40 D feet f Pipe Size Inches Sch. 40 D feet f Pipe Size Inches Sch.