Mounting Promag 30 D
Length and dimensions
See chapter 7.1 “Dimensions and weights”.
Mounting
Mounting of the wafer is carried out with
the aid of a mounting set which
consists of:
•
Tie rods
•
Centering discs
(not needed with DN 32 and 65)
•
Nuts
•
Washers
When hard rubber liner is used,
additional flat gaskets are needed.
Procedure:
1. Mount the three or correspondingly more tie rods with washers, including two
gaskets, on both pipe flanges. Pay attention to the instructions given below
regarding gaskets.
2. Push the two centering discs on to the measuring pipe.
3. Now fit the sensor together with the centering discs between the already mounted
tie rods.
4. Mount the remaining tie rods, but do not tighten up the hex nuts yet.
5. Turn the centering discs so that the studs can be driven centrally outwards.
6. Now tighten up the hex nuts.
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 mating flange should have a thin film of sealing grease
applied.
•
Use a gasket as per DIN 2690.
Caution!
Do not use sealing media that are 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.
Tie rod
Promag D
Centering disc
Flange
Washer
Nut
ba0
08y
16
Fig. 18
DN
Pressure stage
Max. tightening torque
[Nm]
DIN
[mm]
ANSI
[inch]
DIN
[bar]
ANSI
[Ibs]
Hard rubber
Teflon (PTFE)
Soft rubber
(EPDM)
25
32
40
50
65
80
100
1"
-
1
1
/
2
"
2"
-
3"
4"
PN 40
Class
150
35
55
70
85
65
75
120
15
20
30
30
30
35
65
Promag 30
3. Mounting and Installation
Hauser
19
Содержание promag 30
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