Technical data
31
Compressed Air Applications Manual | Dimensioning Compressed Air Applications Manual | Dimensioning
Table2
Equivalent pipe lengths for fittings and valves
Pipe diameter A 16 20 25 32 40 50 63 75 90 110
Fittings
Elbows 90
0
1.30 0.40 0.50 0.60 0.80 1.00 1.25 1.50 1.80 2.50
Elbows 45
0
0.15 0.20 0.25 0.30 0.40 0.50 0.60 0.75 0.90 1.25
T-piece, flow-through 0.10 0.15 0.15 0.20 0.25 0.35 0.45 0.60 0.75 1.00
T-piece, branch 0.50 0.65 0.80 1.00 1.25 1.50 1.90 2.30 2.90 3.50
T-piece, separation 0.65 0.80 1.00 1.25 1.50 1.80 2.10 2.50 3.10 3.80
Reduction 0.20 0.25 0.30 0.40 0.50 0.70 0.90 1.20 1.50 1.90
Swan-neck section 0.70 0.82 1.00 – – – – – – –
Valves
Ball valve/
Shutoff valve
– 0.16 0.18 0.20 0.24 0.28 0.40 0.52 0.65 0.80
Diaphragm valve – 0.90 1.20 1.60 2.10 2.60 3.30 4.10 5.00 6.20
You can do this calculation quite easily using our BEKOFLOW
®
calculation program.
Just enter the existing values such as operating pressure, pipe length and flow rate.
The program will then calculate the appropriate pipe dimensions.










