Endress+Hauser promag 31, Руководство по эксплуатации

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2.4 Mounting Promag 31 F
Lengths and dimensions
See Chapter 6.1 “Dimensions and weights”
Mounting
The sensor is mounted between the flanges of the pipe (see Fig. 18). Since the lining
of the measuring pipe is drawn on over the sensor flange, it performs the sealing
function at the same time.
Caution!
The Teflon (PTFE)-lined measuring pipe of the Promag F is fitted with protective discs
to guard the liner which is turned over the flanges. These discs may only be removed
just before mounting the sensor, thereby making sure that the liner is not damaged at
the flange or removed (during storage these discs must remain in position).
Screw tightening torques
•
The listed tightening torques
apply to greased threads.
•
Screws tightened up too tightly
deform the sealing surface (pay
special attention with soft rubber
lining).
Gaskets
•
With soft rubber/Teflon (PTFE)
linings a flange gasket can be
dispensed with.
•
With soft rubber linings the mat-
ing flange should have a thin film
of sealing grease applied.
•
Use a gasket as per DIN 2690.
Caution!
Do not use sealing media that is
electrically conductive, e.g.
graphite. On the inside of the
measuring pipe this could result in
an electrically conductive layer
forming which would short-circuit
the measuring signal.
DN Pressure
stages
Screws Max. tightening torque
[Nm]
DIN
[mm]
ANSI
[inch]
DIN
[bar]
Hard
rubber
Soft
rubber
(EPDM)
Teflon
(PTFE)
15
25
32
40
50
1
/
2
"
1"
-
1
1
/
2
"
2"
PN
40
4 x M 12
4 x M 12
4 x M 16
4 x M 16
4 x M 16 -
25
40
50
64
-
5
8
11
15
15
33
53
67
84
65
80
100
125
150
200
-
3"
4"
-
6"
8"
PN
16
4 x M 16
8 x M 16
8 x M 16
8 x M 16
8 x M 20
8 x M 20 87
53
65
80
110
108
22
14
22
30
48
53 114
70
85
103
140
137
250
300 10"
12" PN
10
12 x M 20
12 x M 20 104
119 29
39 139
159
350
400
-
500
600
14"
16"
18"
20"
24"
PN
10/16
16 x M 20
16 x M 24
20 x M 24
20 x M 24
20 x M 27 141/193
191/245
170/251
197/347
261/529 39/79
59/111
58/111
70/152
107/236
188/258
255/326
227/335
262/463
348/706
700
800
900
1000
28"
30"
32"
36"
PN
10/16
24 x M 27
24 x M 30
28 x M 30
28 x M 33 312/355
417/471
399/451
513/644 122/235
173/330
183/349
245/470 -
-
-
-
1200
-
1400
-
1600
-
1800
-
2000
48"
54"
-
60"
-
66"
72"
78"
-
PN
6
32 x M 36
36 x M 39
36 x M 39
40 x M 45
40 x M 45
44 x M 45
44 x M 45
48 x M 45
48 x M 45 720
840
840
1217
1217
1238
1238
1347
1347
328
432
432
592
592
667
667
749
749 -
-
-
-
-
-
-
-
-
b
a
028y
17
Fig. 18
2. Mounting and Installation Promag 31
16 Hauser