Installation Position; Installation With Butt Weld Spigots; Installation With Threaded Sockets; Installation With Threaded Spigots - GEM eSyStep 543 Operating Instructions Manual

11.2 Installation position

GEMÜ recommend installing the actuator vertically upright or
vertically down to optimise the service life.

11.3 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.

11.4 Installation with threaded sockets

Fig. 2: Threaded socket
NOTICE
Sealing material!
▶ The sealing material is not included in the scope of deliv-
ery.
Only use appropriate sealing material.
●
1. Keep thread sealant ready.
2. Carry out preparations for installation (see chapter "Pre-
paring for installation").
3. Screw the threaded connections into the pipe in accord-
ance with valid standards.
4. Screw the body of the product onto the piping using ap-
propriate thread sealant.
5. Re-attach or reactivate all safety and protective devices.
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11.5 Installation with threaded spigots

Fig. 3: Threaded spigots
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.

11.6 Installation with flanged connection

Fig. 4: Flanged connection
Sealing material!
▶ The sealing material is not included in the scope of deliv-
ery.
Only use appropriate sealing material.
●
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11 Installation in piping
NOTICE
NOTICE
GEMÜ 543 eSyStep
OPEN / CLOSE (Code AE)