Torques; Mechanical Installation - Grundfos SRG Serie Instrucciones De Instalación Y Funcionamiento

12
18
19
2
1
23
1
Fig. 2 Open installation
Pos. Designation
Bottom fixation bracket and guide
1
claws on connection flange*
2 Column profile
5 Top fixation bracket
12 Crane foot
13 Crane with winch and lifting wire
15 Lifting wire incl. wire clamp
17 Cable clamp
Cable sock, incl. shackle ∅10
18
19 Intermediate fixation bracket
23 Connection flange
* Guide claws are only available for SRG.xx.80.
8

4.2 Torques

All nuts and screws used for the installation must be
made of stainless steel.
13
Use grease (Alu-paste) together with a spring
washer or lock nut; otherwise, use Loctite or a
similar product for lubrication and locking.
5
All stainless-steel nuts and screws must be tightened
to the following torques:
Screws F-Class 70
15
M6
17
M8
M10
M12
M16
M20

4.3 Mechanical installation

See section
1. Weld the connection flange to the cast-in pipe
end in the tank.
2. Weld the profile section to the connection flange
and pipe end. Place it in position 12 o'clock.
Fig. 3
3. SRG.xx.80.xx: Weld the guide claws to the
connection flange. See fig. 4.
Fig. 4
Screws F-Class 80
[Nm]
8.8
21.4
44
74
183
370
4.2 Torques and fig. 2.
Profile section on connection flange
Position of guide claws
[Nm]
11.8
28.7
58
100
245
494