EB 2517 EN
17
Design and principle of operation
Table 1:
Technical data · All pressures in bar (gauge)
Valve
Type 2417
Valve size
DN
15
20
25
32
40
50
65
80
100
Pressure rating
PN 16, 25 or 40
Max. permissible differential
pressure ∆p
25 bar
20 bar
16 bar
Max. perm.
temperature
Valve
See pressure-temperature diagram in
u
Valve plug
Metal seal:
350 °C
· Soft seal PTFE:
220 °C
EPDM or FKM soft seal:
150 °C
· NBR soft seal:
80 °C
Leakage class according to
IEC 60534-4
Metal seal: leakage rate I (≤0.05 % of K
VS
)
Soft seal: leakage rate IV (≤0.01 % of K
VS
)
Compliance
·
Diaphragm actuator
Type 2413
Actuator area
cm²
640
320
160
80
40
Set point ranges
bar 0.05 to 0.25
0.1 to 0.6
0.2 to 1.2
0.8 to 2.5
1)
2 to 5
4.5 to 10
8 to 16
Max. perm. temperature
Gases
350 °C
, however, max.
80 °C
at the actuator · Liquids
150 °C
,
with compensation chamber
350 °C
· Steam with compensation cham-
ber
350 °C
Bellows actuator
Type 2413
Actuator area
cm²
33
62
Set point ranges
bar
10 to 22 · 20 to 28
2 to 6 · 5 to 10
1)
Version with actuator with two diaphragms: 1 to 2.5 bar
Содержание 2413 Series
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