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8 Technical data
Table 4: Technical data · All pressures in bar (gauge)
Balanced by a bellows
Type 2422 Valve
·
Valve size
Pressure rating
Conformity
Standard K
coefficients
VS
K
coefficient
VS
K
I (with flow divider ST 1)
VS
K
III (with flow divider ST 3)
VS
x
value
FZ
For vapors
Minimum
differential
pressure Δp
For gases and liquids
min
Max. permissible differential pressure
∆p
max
Reduced K
coefficient
VS
K
coefficient
VS
K
I (with flow divider ST 1)
VS
K
III (with flow divider ST 3)
VS
x
value
FZ
For vapors
Minimum
differential
pressure Δp
For gases and liquids
min
Max. perm. differential pressure ∆p
Leakage class according to IEC 60534-4
Max. permissible temperature (depending
on the pilot valve)
Set point ranges in bar, continuously
adjustable at the pilot valve
Version with Type 2420 Diaphragm Actuator, 640 cm²
1)
Reinforced version with bellows
2)
EB 2552-1 EN
Suitable for liquids, gases or vapors
·
DN 65
DN 80
50
80
1)
1)
38
60
1)
1)
25
40
1)
1)
0.4
0.2 bar (640 cm² actuator)
0.4 bar (320 cm² actuator)
20 bar
32
1)
–
–
0.4
0.4 bar (640 cm² actuator)
0.8 bar (320 cm² actuator)
max
Type 2405: 60 °C
Type 41-23: 150 °C/350 °C
Type 44-1 B/44-0 B: 2 to 6, 4 to 10, 8 to 20
Type 44-2: 2 to 4.2, 2,4 to 6.3, 6 to 10.5
Type 41-23: 2 to 5, 4.5 to 10, 8 to 16, 10 to 22, 20 to 28
DN 100
DN 125 DN 150 DN 200 DN 250
PN 16 to 40
·
125
200
1)
95
150
1)
60
100
1)
0.35
1.9 bar/
3.0 bar
2)
1)
1)
1.0 bar
/3.0 bar
16 bar/
16 bar
35 bar
2)
80
1)
60
1)
40
1)
0.35
–
1)
1)
0.2 bar
20 bar
I ≤0.05 % of K
coefficient (metal seal)
VS
IV ≤0.01 % of K
coefficient (soft seal)
VS
· Type 44-1 B: 150 °C · Type 44-2: 150 °C
4)
· Type 44-0 B: 200 °C
3)
Type 2405: 2 to 5, 4.5 to 10
Version for steam
3)
Special version up to 150 °C
4)
Technical data
360
520
620
270
400
500
180
260
310
0.3
2.0 bar/
1.4 bar/3.0 bar
3.0 bar
2)
0.7 bar/3.0 bar
2)
12 bar/
10 bar/25 bar
35 bar
2)
125
360
1)
95
270
1)
60
180
1)
0.3
1.9 bar
2.0 bar
1.0 bar
1)
16 bar
12 bar
3)
2)
2)
2)
19
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