Burkert Type 2037 - Manual (Page 17)

17
TechnicalData
control function i (cfi)
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
DN32,
Ø
63
DN25,
Ø
63
DN20,
Ø
50
DN15,
Ø
50
Medium pressure [bar]
Control pressure [bar] CFI / EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 16: Control function I, EPDM diaphragm,
actuators ø 40 – 63 mm
0
2
4
6
8
10
0 1 2 3 4 5 6 7 8 9 10
DN25,
Ø
80
DN32,
Ø
80
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. 17: Control function I, EPDM diaphragm,
actuators ø 80 – 125 mm
DN20,
Ø
50
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
DN32,
Ø
63
DN25,
Ø
63
DN20,
Ø
63
DN15,
Ø
40
Medium pressure [bar]
Control pressure [bar] CFI / PTFE-EPDM
Actuator size
Orifice
(Diaphragm size)
Fig. 18: Control function I, PTFE EPDM diaphragm,
actuators ø 40 – 63 mm
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037