Gemü R690 Betriebsanleitung Seite 46

7 Technical data
Control pressure:
GEMÜ R690
MG DN
20 15, 20, 25
25 32
40 40, 50
50 65
80 80
100 100
MG = diaphragm size
*For required control pressure depending on operating pressure see diagram
Control pressure characteristic DN 15 - 100 (EPDM, FPM)
Control function 2 and 3
6
5
MG25
4
MG20
3
2
1
0 2
The control pressure depending on the prevailing operating pressure,
as shown in the diagram, is intended as a guide for operating
the system with low wear on the diaphragm.
NPS
1/2", 3/4", 1"
1 ¼"
1 ½", 2"
2 ½"
3"
4"
MG80+100
4 6 8
Operating pressure [bar]
46 / 76
Actuator Control func-
size tion
EDL 1
EDM 1
EDN 1
EDN 2, 3
FDL 1
FDM 1
FDN 1
FDN 2, 3
HDL 1
HDM 1
HDN 1
HDN 2, 3
JDL 1
JDM 1
JDN 1
JDN 2, 3
MDN 1
MDN 2
MDN 3
NDN 1
NDN 2
NDN 3
MG40
MG50
10
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Control pres-
sure*
3.0 - 7.0
3.8 - 7.0
5.0 - 7.0
max. 6.0
2.5 - 6.0
3.8 - 6.0
5.0 - 7.0
max. 5.5
3.0 - 7.0
3.8 - 6.0
5.0 - 7.0
max. 5.5
3.0 - 6.0
3.8 - 6.0
5.5 - 7.0
max. 5.0
5.0 - 7.0
max. 5.0
max. 4.5
5.5 - 7.0
max. 5.0
max. 4.5