Burkert Type S039 - Manual (Page 32)

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flow rate controller 8039
.3 flow rate-velocity-dn diagrams
The diagrams make it possible to determine the appropriate DN for the
pipe and fitting, depending on the fluid velocity and the flow rate.
 annex
l/min
l/s
DN 50 (DN65)
*
DN 40 (DN50)
*
DN 32 (DN40)
*
DN 25 (DN32)
*
DN 20 (DN25)
*
DN 15 (DN15 / DN20)*
5000 1000 100 3 2 1 20 10 0.
5
5 0.
3
0.
2
500
100 50 10 0.
1
0.05 0.01 0.005 5 1
50
0.
5
0.01 0.02 0.05
0.
1
0.
2
0.
5 1 2 5
10 20 50
100 200 m
3
/h 0.
1
0.3
0.
5
1
2
3
5
10
0.
2
m/
s
DN 08 DN 06
Flow rate
Medium velocity
* for following fittings: -
with external threads acc. to SMS 1145
-
with weld-ends acc. to SMS 3008, BS 4825 / ASME
BPE or DIN 11850 Series 2 -
TriClamp
®
acc. to SMS 3017 / ISO 2852, BS 4825 /
ASME BPE or DIN 32676 TriClamp
®
is a registered trade mark of Alfa Laval Inc.