Burkert 2030 Manuel D'utilisation page 14

Control pressure for control function a
The values are valid for
• VA tube-formed housing with welded nozzles in accordance
with DIN 11850 series 2, with OD weld-on ends, with ANSI and
JIS welding neck flange
Orifice actuator size
dn [mm] [mm]
10 40
50
15
63
50
20
63
63
25
80
32 63
32 80
40 100
100
50
125
65 125
Tab. 8: Control pressure CFA
14
Control pressure [bar]
for medium pressure
0 bar maximum
5 4
5 3.5
5 4
5 3.5
5 4
5 4
5.5 4
5 4.5
5.5 4.5
5.5 4
5.5 4
5.5 4
5.5 4.5
English
Types 2 030, 2031, 2031 K, 2032,
Technical Data
6.2.4. Minimum control pressure
required minimum control pressure depending on medium
pressure
The values apply to housing made of
• Plastic
• All models with VA forged steel and VA precision casting
• VA tube-formed housing with socket, DIN welding neck flange and
weld-on ends in accordance with EN ISO 1127 (ISO 4200)
Control function B (CfB)
noTe!
important for the service life of the diaphragm!
• Do not select control pressure higher than required.
Actuator size
Orifice
10
8
6
4
2
0
0 1 2
CFB / EPDM
Fig. 4: Control function B, elastomer diaphragm, actuators
ø 40 – 80 mm
2033, 2037
3 4 5 6 7 8 9 10
Control pressure [bar]