EB 2520 EN
15
Design and principle of operation
Dimensions and weights
Table 2 provides a summary of the dimensions and weights. The lengths and heights in the
dimensional drawings are shown on page 17.
Table 1:
Technical data
Valve size
DN 15
DN 20
DN 25
DN 32
DN 40
DN 50
Pressure rating (valve)
PN 16 · PN 25 · PN 40
K
VS
coefficients
Standard
4.0
6.3
8.0
16
20
32
Reduced K
VS
coefficients
0.016 ·
0.04 · 0.1 ·
0.25 · 0.4 ·
1.0 · 1.6 ·
2.5
0.016 ·
0.04 · 0.1 ·
0.25 · 0.4 ·
1.0 · 1.6 ·
2.5 · 4.0
0.016 ·
0.04 · 0.1 ·
0.25 · 0.4 ·
1.0 · 1.6 ·
2.5 · 4.0 ·
6.3
1.6 · 2.5 ·
4.0 · 6.3 ·
8.0
1.6 · 2.5 ·
4.0 · 6.3 ·
8.0 · 16
1.6 · 2.5 ·
4.0 · 6.3 ·
8.0 · 16 ·
20
Max. perm. differential pressure
10 bar · 12 bar
1)
Max. permissible temperature
range (medium temperature)
–20 to +60 °C (0 to +150 °C)
2)
Leakage class acc. to IEC 60534-4
Soft-seated, minimum Class IV
Conformity
·
·
Set point ranges
5 to 15 mbar
5)
· 10 to 30 mbar
5)
· 25 to 60 mbar
5)
·
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 ba
r
Max. perm.
pressure at
operating
diaphragm
1200 cm²
0.5 bar
640 cm²
1 bar
320 cm²
2 bar · 10 bar
3)
160 cm²
3 bar · 16 bar
3)
80 cm²
5 bar · 16 bar
3)
40 cm² (2 to 5 bar)
10 bar · 16 bar
3)
40 cm²
4.5 to 10 bar
15 bar · 16 bar
3)
Pressure
balancing
K
VS
= 0.016 to 4
Without balancing diaphragm
K
VS
= 6.3 to 32
With balancing diaphragm
Pressure tapping
External
4)
Control line connection
G
¼
1)
Version with set points from 0.1 to 10 bar
2)
For unbalanced versions with FKM diaphragm and FKM soft seal
3)
Version with force limiter
4)
Special version with pressure tapping directly at the valve (see section 3.1)
5)
The set point range cannot be combined with the following K
VS
coefficients: 16 · 20 · 32
Содержание 2405 Series
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