Control function I (CFI)
NOTE!
Important for the service life of the diaphragm!
• Do not select control pressure higher than required.
Actuator size
Orifice
(Diaphragm size)
10
8
6
4
2
0
0
1
2
3
CFI / EPDM
Fig. 8:
Control function I, elastomer diaphragm,
actuators ø 40 – 80 mm
14
4
5
6
7
8
9
10
Control pressure [bar]
english
Type 2 030, 2031, 2031 K, 2032,
Technical Data
Actuator size
Orifice
(Diaphragm size)
10
8
6
4
2
0
0
1
2
3
CFI / EPDM
Fig. 9:
Control function I, elastomer diaphragm,
actuators ø 100 – 125 mm
Actuator size
Orifice
(Diaphragm size)
10
8
6
4
2
0
0
1
2
3
CFI / PTFE-EPDM
Fig. 10:
Control function I, PTFE elastomer diaphragm,
actuators ø 40 – 80 mm
2033, 2037
4
5
6
7
8
9
10
Control pressure [bar]
4
5
6
7
8
9
10
Control pressure [bar]