Control function I, PTFE EPDM diaphragm, actuators ø 100 – 125 mm
Actuator size
Orifice
10
8
6
4
2
0
0
1
2
CFI / PTFE-EPDM
18
3
4
5
6
7
8
9
Control pressure [bar]
English
required minimum control pressure depending on medium
pressure
The values are valid for
•
VA tube-formed housing with weld-on ends in accordance with
DIN 11850 series 2 as well as with OD weld-on ends, with ANSI
and JIS welding neck flange
Control function B (CfB)
noTe!
important for the service life of the diaphragm!
•
Do not select control pressure higher than required.
10
Control function B, EPDM diaphragm, actuators ø 40 – 63 mm
Actuator size
Orifice
10
8
6
4
2
0
0
CFB / EPDM
Types 2030, 2031, 2031 K
Technical Data
1
2
3
4
5
6
7
Control pressure [bar]
8
9
10