13 … 68
12 … 68
Printed in Germany • Edition 02.14 • Nr. 254 722
Determination of the test volumes for DUNGS Single solenoid valves.../5
Nominal diam-
eter
Rp / DN
Test volumes = volume V1
output side
+ V2
input side
+ pipeline
direct 0.5 m 1.0 m 1.5 m 2.0 m
Rp DN Rp DN Rp DN Rp DN Rp DN
Rp 3/8 0.01 l 0.06 l 0.11 l 0.16 l 0.21 l
Rp 1/2 0.07 l 0.17 l 0.27 l 0.37 l 0.47 l
Rp 3/4 (DN 20) 0.12 l 0.27 l 0.42 l 0.57 l 0.72 l
Rp 1 (DN 25) 0.20 l 0.45 l 0.70 l 0.95 l 1.20 l
Rp 1 1/2 / DN 40 0.50 l 0.7 l 1.10 l 1.35 l 1.70 l 2.0 l 2.20 l 2.65 l 2.80 l 3.3 l
Rp 2 / DN 50 0.90 l 1.2 l 1.90 l 2.2 l 2.90 l 3.2 l 3.90 l 4.2 l 4.90 l 5.5 l
DN 65 2.0 l 3.7 l 5.3 l 7.0 l 8.6 l
DN 80 3.8 l 6.3 l 8.8 l 11.3 l 13.8 l
DN 100 6.5 l 10.5 l 14.4 l 18.4 l 22.3 l
DN 125 12.0 l 18.2 l 24.3 l 30.5 l 36.6 l
DN 150 17.5 l 26.5 l 35.2 l 44.1 l 52.9 l
DN 200 46.0 l 61.7 l 77.4 l 93.1 l 108.9 l
Typical values for the leakage rate
DN Test volume [litres]
direct / 2 m
~ Burner capacity [kWh adm. leakage rate
[dm
3
/ h]
0.1 % of the burner
capacity or 50 dm
3
/ h
5 mbars 30 mbars
20 0.12 / 0.72 110 240 50
25 0.20 / 1.20 170 370 50
40 0.50 / 3.30 310 710 50-71
50 0.90 / 5.20 500 1100 50 -110
65 2.00 / 8.60 910 2000 91-200
80 3.80 / 13.8 1250 2900 125-290
100 6.50 / 20.0 2050 4600 205-460
125 12.5 / 20.0 3500 7700 350-770
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