Burkert Type 2037 - Manual (Page 15)

15
TechnicalData
Medium pressure [bar]
Control pressure [bar] CFI / PTFE-EPDM
Actuator size
Orifice
(Diaphragm size)
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN40,
Ø
125
DN32,
Ø
100
DN40,
Ø
100
DN50,
Ø
100
DN50,
Ø
125
DN65,
Ø
125
Fig. 11: Control function I, PTFE EPDM diaphragm,
actuators ø 100 – 125 mm
required minimum control pressure depending on medium
pressure
The values are valid for
• VA tube-formed body 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.
DN20,
Ø
63
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN15,
Ø
63
DN8,
Ø
40
DN15,
Ø
40
DN15,
Ø
50
DN25,
Ø
63
DN20,
Ø
50
DN32,
Ø
63
Medium pressure [bar]
Control pressure [bar] CFB / EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 12: Control function B, EPDM diaphragm,
actuators ø 40 – 63 mm
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037