Burkert Type S020 - Manual (Page 39)

39
Installationandcommissioning
Type S020
7.2.9. graph - pipe dn - fluid velocity - flow rate
The graph is used to determine the DN of the pipe and the fitting appropriate to the application, according to the fluid velocity and the flow rate.
0.1
0.3
0.5
1
3
5
10
0.01 0.02 0.05
0.1 0.2 0.5 1 2 5 10 20 50
100 200
0.2 0.5 1 2 5 10 20 50
100 200 500
1000 2000 3000 l/min
0.3
0.5
1
3
5
10
30
m/s fps
US gpm
0.05
0.1 0.2 0.5
1 2 5 10 20 50
100 200 500
1000
DN 65 (DN80)* DN 50 (DN65)* DN 40 (DN50)* DN 32 (DN40)* DN 25 (DN32)* DN 20 (DN25)* DN 15 (DN15 ou DN20)* DN 08 DN 06
500
1000 2000
2000 5000
10000
5000
20000
5000
10000 20000 30000 50000
100000
DN 400 DN 350 DN 300 DN 250 DN 200 DN 150 DN 125 DN 100 DN 80 (DN100)*
m
3
/h
Flow
rate
Fluid
velocity
*
For
the
following
fittings:
•
external
thread
connections
acc.
to
SMS
1145,
•
with
weld
end
connections
acc.
to
SMS
3008,
BS
4825
/
ASME
BPE
or
DIN
1850
range
2,
•
with
clamp
connections
acc.
to
SMS
3017
/
ISO
2852,
BS
4825
/
ASME
BE
or
DIN
32676
English