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1. Ensure the suitability of the GEMÜ product for each re-
spective use.
2. Check the technical data of the GEMÜ product and the ma-
terials.
3. Keep appropriate tools ready.
4. Ensure appropriate protective gear as specified in the
plant operator's guidelines.
5. Observe appropriate regulations for connections.
6. Have installation work carried out by trained personnel.
7. Shut off plant or plant component.
8. Secure plant or plant component against recommission-
ing.
9. Depressurize the plant or plant component.
10. Completely drain the plant (or plant component) and let it
cool down until the temperature is below the media vapor-
ization temperature and scalding can be ruled out.
11. Correctly decontaminate, rinse and ventilate the plant or
plant component.
12. Lay piping so that the GEMÜ product is protected against
transverse and bending forces, and also vibrations and
tension.
13. Only install the product between matching aligned pipes
(see chapters below).
14. Observe the flow direction if necessary.
15. The installation position varies depending on version. Ob-
serve the technical drawing.
16. The plant operator is responsible for ensuring that the
weight of the product and the actuators is suitably suppor-
ted depending on the installation position.
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9.2 Installing/removing the connection adapters
The connection adapters are screwed onto the valve block via
a flange connection and a separate gasket. The component
has a special connection geometry, comprising a sealing sur-
face and mounting centre, based on DIN 11864. The gasket is
compressed by screwing on the connection up to the mech-
anical stop (tightening torque: 10 Nm).
Thanks to interchangeable connection adapters, the product
is maintenance friendly and can be customized.
9.3 Installation with butt weld spigots
Fig. 1: Butt weld spigots
1. Adhere to good welding practices, Installing/removing the
connection adapters (see Chapter 9.2, page 19).
2. Remove connection adapters and O-rings from the valve
body before welding in, Valve disassembly (removing the
actuator from the body) (see Chapter 14.2.1, page 24).
3. Allow butt weld spigots to cool down.
4. Reassemble the valve body and the actuator with dia-
phragm, Installing/removing the connection adapters (see
Chapter 9.2, page 19).
19 / 31
9 Installation in piping
GEMÜ P600S
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