Symbols Used; Correct Use; Scope Of Delivery; Technical Data - Gemü 800 Original Einbau- Und Montageanleitung

2.3

Symbols used

Hand:
indicates general information and
recommendations.
Bullet point:
G
indicates the tasks to be
performed.
®
Arrow:
indicates the response(s) to tasks.
Enumeration sign

3

Correct use

WARNING
Use the fl owmeter only for the
intended purpose!
® Otherwise the manufacturer liability and
guarantee will be void.
Flowmeter to be used exclusively within
G
permissible limits and in consideration
of these installation, operating and
maintenance instructions. Any other
use is to be considered not as intended.
The flowmeter is not approved for
G
explosion endangered areas.
5

Technical data

Working medium
Corrosive and inert gaseous and liquid media which have no
negative impact on the physical and chemical properties of
the metering tube, float, seal and union materials.
Pressure loss
Type
20
801, 805, 811,
8 10.0
815, 820, 830
806, 816 -
807, 817 17 19.0
825 2
831, 835 11 13.0
822, 832 -
[mbar]
Nominal size
25 32 40 50
13.0 15 20.0
- - - -
27.0 30 41.0
2.5 3.5 4 5.5
18.0 20 28.0
- - - 26.5
The fl owmeters must:
only be used for measuring media which

do not attack, chemically or mechanically,
the materials used
only be used within the performance

limits (see chapter 5 "Technical data" and
the details in the data sheet)
not be modified from a constructional

point of view
only be installed in flow direction from

bottom to top
4

Scope of delivery

The following is included in the scope of
delivery:
Flowmeter with float

Installation, operating and maintenance

instructions
Operating pressure*
Metering tubes with plastic unions
Metering tubes with metal unions
* Operating pressure dependent on tube material and
operating temperature
Pressure loss
65
Type
24
851
47
855, 861, 865, 870, 880
50
857, 867
6
875
34
885
-
21 / 36
max. 10 bar
max. 15 bar
[mbar]
Nominal size
10 15 20
- 6.0 8 10.0
5 6.0 8 10.0
10 12.0 17 19.0
1 1.5 2
- - 11 13.0
800, 850
25
2.5