14
EB 2522 EN
Design and principle of operation
Table 1:
Technical data
Valve size
DN 15
DN 20
DN 25
DN 32, 40, 50
1)
Pressure rating (valve)
PN
16 · PN
25 · PN
40
K
VS
coefficients
Standard
4
6.3
8
32
Reduced K
VS
co-
efficients
0.1 · 0.25 · 0.4 ·
1 · 1.6 · 2.5
0.1 · 0.25 · 0.4 · 1
· 1.6 · 2.5 · 4
0.1 · 0.25 · 0.4 ·
1 · 1.6 · 2.5 · 4 ·
6.3
6.3 · 8 · 16 · 20
Max. permissible temperature range
(medium temperature)
–20 to +60
°C (0 to +150
°C)
2)
Leakage class according to
IEC 60534-4
Soft-seated, minimum Class IV
Set point ranges
5 to 15 mbar · 10 to 30 mbar · 25 to 60 mbar · 50 to 200 mbar · 0.1 to
0.6 bar · 0.2 to 1 bar · 0.8 to 2.5 bar · 2 to 5 bar · 4.5 to 10 bar
Max. permissible
pressure at operating
diaphragm
3)
1200 cm²
0.5 bar
640 cm²
1 bar
320 cm²
2 bar
160 cm²
3
bar
80 cm²
5
bar
40 cm²
15
bar
Pressure balancing
K
VS
= 0.1 to 4
Without balancing diaphragm
K
VS
= 6.3 to 32
With balancing diaphragm
Pressure tapping
External control line · Direct at the valve body (special version)
Control line connection
G
¼
1)
Larger valve sizes on request
2)
For unbalanced version with FKM diaphragm and FKM soft seal
3)
Corresponds to the maximum differential pressure
Summary of Contents for 2406
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