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Verfügbare Sprachen
2 Safety information
The safety information in this document refers only to an indi-
vidual product. Potentially dangerous conditions can arise in
combination with other plant components, which need to be
considered on the basis of a risk analysis. The operator is re-
sponsible for the production of the risk analysis and for com-
pliance with the resulting precautionary measures and re-
gional safety regulations.
The document contains fundamental safety information that
must be observed during commissioning, operation and main-
tenance. Non-compliance with these instructions may cause:
- Personal hazard due to electrical, mechanical and chemical
effects.
- Hazard to nearby equipment.
- Failure of important functions.
- Hazard to the environment due to the leakage of dangerous
substances.
The safety information does not take into account:
- Unexpected incidents and events, which may occur during
installation, operation and maintenance.
- Local safety regulations which must be adhered to by the
operator and by any additional installation personnel.
Prior to commissioning:
1. Transport and store the product correctly.
2. Do not paint the bolts and plastic parts of the product.
3. Carry out installation and commissioning using trained
personnel.
4. Provide adequate training for installation and operating
personnel.
5. Ensure that the contents of the document have been fully
understood by the responsible personnel.
6. Define the areas of responsibility.
7. Observe the safety data sheets.
8. Observe the safety regulations for the media used.
During operation:
9. Keep this document available at the place of use.
10. Observe the safety information.
11. Operate the product in accordance with this document.
12. Operate the product in accordance with the specifications.
13. Maintain the product correctly.
14. Do not carry out any maintenance work and repairs not de-
scribed in this document without consulting the manufac-
turer first.
In cases of uncertainty:
15. Consult the nearest GEMÜ sales office.
www.gemu-group.com
3 Product description
3.1 Exploded diagram – diagrammatic view
21
6
14
28
15
31
5
16
12
29
38
Key, see page 6
▶ Depending on the actuator size, sealing washers or O-
rings are used in the actuator membrane assembly. The
actuator membrane assembly is an assembled sub-as-
sembly comprising actuator spindle 15 (including dowel
pin 30 and adapter 31), hexagon nut 21, washer 9, mem-
brane plate 6, actuator membrane 14, distance piece 28
and sealing washers or O-rings 27.
With MG 25, two sealing washers 27 are used, one above
●
and one below the actuator membrane.
With MG 40 and MG 50, two O-rings 27 and one distance
●
piece 28 are used.
13 / 20
3 Product description
SA2
SA1
10
7
9
27
27
6
30
4
17
36
3
NOTICE
GEMÜ 687 SAK Stf 1
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