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Table 3: Technical data
Valve size
K
coefficient
VS
X
value
Fz
Pressure rating
Max. permissible differential pressure ∆p
across the regulator
Max. permissible temperature
Pressure above adjusted diff. pressure set
point at which internal excess pressure
limiter responds (Types 46-7, 47-5)
Conformity
Differential pressure set point ranges
Type 46-7 and Type 47-1: continuously
adjustable
Types 47-5 · Fixed set point
Special versions
1)
For PN 16 version
2)
Table 4: Regulator without connecting parts
Valve size
Pipe Ø d
Connection R
Width across flats SW
Length L
H
Type 46-7
H1
Type 47-1
Type 47-5
Type 46-7
H2
Type 47-1
H3
ØD
Additional version: regulator with flanged body
1)
EB 3131 EN
0.4
1
1)
Additional version: regulator with flanged body made of spheroidal graphite iron
3)
(EN-GJS-400-18-LT)
Only in PN 25 version and diaphragm and seals made of FKM
4)
DN 15
DN 20
21.3
26.8
G ¾
G 1
30
36
65
70
65
248
265
108
185
200
75
Design and principle of operation
DN 15
DN 20
2.5 4
6.3
1)
1)
0.6
PN 16/25
10
/20 bar
2)
Liquids: 130 °C
/150 °C · Air and nitrogen: 150 °C
2)
0.2 to 0.6 bar
0.2 to 1 bar
0.5 to 2 bar
0.2 bar · 0.3 bar · 0.4 bar · 0.5 bar
DN 25
DN 32
32.7
G 1¼
46
75
116
DN 25 DN 32
DN 40
3)
8
12.5
16/20
0.55
0.55/0.45
3)
PN 25
0.5 bar
·
0.2 to 0.5 bar
0.2 to 1 bar
0.5 to 2 bar
DN 40
1)
1)
42
48
G 1¾
G 2
59
65
100
110
85
265
415
285
425
125
175
205
220
95
160
DN 50
3)
3)
20/25
3)
3)
0.45/
0.4
3)
16 bar
4)
DN 50
1)
60
G 2½
82
130
–
19
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