14
EB 3131-1 EN
Design and principle of operation
Table 1:
Technical data
Valve size
DN 15
DN 25
DN 40
K
VS
coefficient
4
8
16
x
FZ
value
0.6
0.55
0.55
Pressure rating
PN 16/25
PN 16/25
PN 25
Max. permissible differential
pressure ∆p across the valve
PN 16
10 bar
10 bar
–
PN 25
20 bar
20 bar
16 bar
Max. permissible temperature
PN 16
130 °C
130 °C
–
PN 25
150 °C
150 °C
150 °C
Pressure above adjusted differential pressure set
point at which internal excess pressure limiter
responds
0.5 bar
Conformity
Pressure set point ranges
Pressure set point, continuously adjustable
1 to 2.5 bar
Differential pressure set point ranges
Differential pressure set point, continuously
adjustable
0.2 to 0.6 bar
0.2 to 1.0 bar
0.5 to 2 bar
0.2 to 0.5 bar
0.2 to 1.0 bar
0.5 to 2 bar
Table 2:
Regulator without connecting parts
Valve size
DN 15
DN 25
DN 40
Pipe Ø d
21.3
32.7
48
Connection R
G ¾
G 1¼
G 2
Width across flats
SW
30
46
65
Length L
65
75
110
H
62
62
110
H1
185
185
420
H4
214
214
214
ØD1
116
160
ØD2
116 (40 cm² actuator)
Summary of Contents for 46-7
Page 35: ...EB 3131 1 EN 35...