Burkert Type 2037 - Manual (Page 14)

14
TechnicalData
control function i (cfi)
noTe!
important for the service life of the diaphragm!
• Do not select control pressure higher than required.
DN20,
Ø
80
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
50
DN25,
Ø
80
DN25,
Ø
63
DN20,
Ø
63
Medium pressure [bar]
Control pressure [bar] CFI / EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 8: Control function I, elastomer diaphragm,
actuators ø 40 – 80 mm
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
Medium pressure [bar]
Control pressure [bar] CFI / EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 9: Control function I, elastomer diaphragm,
actuators ø 100 – 125 mm
DN20,
Ø
80
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
50
DN25,
Ø
80
DN25,
Ø
63
DN20,
Ø
63
Medium pressure [bar]
Control pressure [bar] CFI / PTFE-EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 10: Control function I, PTFE elastomer diaphragm,
actuators ø 40 – 80 mm
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037