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Design and principle of operation
Table 1: Technical data
Valve size
K
coefficient
VS
x
value
FZ
Pressure rating
Max. permissible differential
pressure ∆p across the valve
Max. permissible temperature
Pressure above adjusted differential pressure set
point at which internal excess pressure limiter
responds
Conformity
Pressure set point ranges
Pressure set point, continuously adjustable
Differential pressure set point ranges
Differential pressure set point, continuously
adjustable
Table 2: Regulator without connecting parts
Valve size
Pipe Ø d
Connection R
Width across flats
SW
Length L
H
H1
H4
ØD1
ØD2
14
PN 16/25
PN 16
PN 25
PN 16
PN 25
DN 15
21.3
G ¾
30
65
62
185
214
116
116 (40 cm² actuator)
DN 15
DN 25
4
0.6
0.55
PN 16/25
10 bar
10 bar
20 bar
20 bar
130 °C
130 °C
150 °C
150 °C
0.5 bar
1 to 2.5 bar
0.2 to 0.6 bar
0.2 to 1.0 bar
0.5 to 2 bar
DN 25
32.7
G 1¼
46
75
62
185
214
DN 40
8
16
0.55
PN 25
–
16 bar
–
150 °C
0.2 to 0.5 bar
0.2 to 1.0 bar
0.5 to 2 bar
DN 40
48
G 2
65
110
110
420
214
160
EB 3131-1 EN
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