Installation With Butt Weld Spigots; Installation With Clamp Connections; Installation With Threaded Spigots; After The Installation - GEM 660 Operating Instructions Manual

10 Installation in piping

10.3 Installation with butt weld spigots

Fig. 1: Butt weld spigots
1. Carry out preparations for installation (see chapter "Pre-
paring for installation").
2. Adhere to good welding practices!
3. Disassemble the actuator with the diaphragm before weld-
ing in the valve body (see "Removing the actuator"
chapter).
4. Weld the body of the product in the piping.
5. Allow butt weld spigots to cool down.
6. Reassemble the valve body and the actuator with dia-
phragm (see "Mounting the actuator" chapter).
7. Re-attach or reactivate all safety and protective devices.
8. Flush the system.

10.4 Installation with clamp connections

Fig. 2: Clamp connection
Gasket and clamp
▶ The gasket and clamps for clamp connections are not in-
cluded in the scope of delivery.
1. Keep ready gasket and clamp.
2. Carry out preparation for installation (see chapter "Prepar-
ing for installation").
3. Insert the corresponding gasket between the body of the
product and the pipe connection.
4. Connect the gasket between the body of the product and
the pipe connection using clamps.
5. Re-attach or reactivate all safety and protective devices.

10.5 Installation with threaded spigots

Fig. 3: Threaded spigots
GEMÜ 660
NOTICE
Thread sealant
▶ The thread sealant is not included in the scope of deliv-
ery.
Only use appropriate thread sealant.
●
1. Keep thread sealant ready.
2. Carry out preparations for installation (see chapter "Pre-
paring for installation").
3. Screw the pipe into the threaded connection of the valve
body in accordance with valid standards.
ð Use appropriate thread sealant.
4. Re-attach or reactivate all safety and protective devices.

10.6 After the installation

● Re-attach or reactivate all safety and protective devices.

10.7 Operation

Optical position indicator
Valve open
56 / 72
NOTICE
Valve closed
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