Gemü RSK Betriebsanleitung Seite 41

Pressure for disc open-
ing:
Leakage rate:
Kv values:
www.gemu-group.com
DN
Vertical Horizontal
(design
without
spring)
32 2.0
40 2.0
50 3.0
65 3.0
80 3.0
100 3.0
125 3.0
150 3.0
200 4.0
250 4.0
300 4.0
350 5.0
400 7.0
450 8.0
500 8.0
600 11.0
Pressures in mbar
Acc. to EN 12266-1
To achieve the stated leakage rate, a back pressure of at least 0.3 bar is required for tight sealing.
Leakage rate A according to P12 EN 12266-1
DN Kv value
32 16.20
40 22.20
50 54.00
65 75.00
80 112.00
100 172.00
125 342.00
150 490.00
200 1128.00
250 1500.00
300 1914.00
350 2800.00
400 3700.00
450 4500.00
500 5450.00
600 6800.00
Kv values in m³/h
Piping
Vertical
(design (design with
without spring)
spring)
0.2 4.0
0.2 4.0
0.2 5.0
0.2 5.0
0.2 5.0
0.2 5.0
0.2 5.0
0.2 5.0
0.2 6.0
0.2 6.0
0.2 6.0
0.3 7.0
0.3 9.0
0.3 10.0
0.3 10.0
0.4 13.0
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Horizontal
(design with
spring)
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.2
2.3
2.3
2.3
2.3
2.4
6 Technical data
GEMÜ RSK