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5 Technical data
Pressure/temperature
correlation:
Kv values:
GEMÜ 539 eSyDrive
Connection
Material
type
code
2)
code
1)
8
37
10
37
11
37
39
37
8
90
39
90
1) Connection type
Code 8: Flange EN 1092, PN 16, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series
1
Code 10: Flange EN 1092, PN 25, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1
Code 11: Flange EN 1092, PN 40, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1
Code 39: Flange ANSI Class 125/150 RF, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic
series 1, length only for body configuration D
2) Valve body material
Code 37: 1.4408, investment casting
Code 90: EN-GJS-400-18-LT (GGG 40.3)
Open/Close valve
DN
15
20
25
32
40
50
65
80
100
Kv values in m³/h
Kv values determined in accordance with DIN EN 60534. The Kv value specifications refer to the largest actu-
ator for the respective nominal size. The Kv values for other product configurations (e.g. other connections or
body materials) may differ.
Max. allowable operating pressures in bar at temperature in °C
RT
100
16.0
16.0
25.0
25.0
40.0
40.0
19.0
16.0
16.0
16.0
17.0
16.0
12 / 39
150
200
14.5
13.4
22.7
21.0
36.3
33.7
14.8
13.6
15.5
14.7
14.8
13.9
4.6
8.0
13.0
22.0
35.0
50.0
90.0
127.0
200.0
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