Diaphragm Pressure Keeping Valve
Operating Instructions
TA 49
Rev.
13 en
05/2016
Technical modifications reserved!
www.sera-web.com
7
H
p
i
L1
g
D
N
q
A
q
B
G
n
D
N
L2
g
p
i
n
q
A
q
B
O
k
O d
H
O
D
s
8
Technical specifications
8.1
Dimensions of the diaphragm pressure keeping valve
8.1.1
PP-, PVC-, PVDF-, PP-GFK-, PVDF-GFK-design
Connection: Thread pipe connection
Connection: Loose flange
Fig. 03 Dimensions
Type
DN
G
A
B
H
L1
n
g
1)
i
1)
p
1)
L2
D
k
s
d
PP
PVC
620.D
8
G ¾
50
38
80
80
13
M5
15
5
110
90
60
12
10
14
622.D
15
G 1
72
54
90
115
15
M8
17
8
145
95
65
12
11
14
623.D
20
G 1 ¼
80
60
116
130
28
M8
17
8
160
105
75
12
12
14
624.D
25
G 1 ½
90
68
123
160
22,5
M10
11
10
175
115
85
16
14
14
625.D
32
G 2
100
76
157
180
24
M10
15
10
200
140
100
16
15
18
626.D
40
G 2 ¼
115
87
180
235
30
M12
26
13
235
150
110
20
16
18
627.D
50
G 2 ¾
140
106
185
260
38
M12
18
13
260
165
125
20
18
18
Table 02 Dimensions
1)
Fixture for mounting the valve on brackets etc.
