KSB CalioTherm Pro 25 Installation & Operating Manual page 22

Flanged pump
22 of 76
5 Installation at Site
1. Position the pump set as indicated in an easily accessible place.
ð An arrow on the pump casing and thermal insulation shell indicates the
direction of flow.
2. Accurately insert the sealing element.
3. Place washers on the holes of the pump flange.
4. Secure the pump flange to the pipe flange using bolts and washers. Observe the
tightening torques.
5. Accurately insert the sealing element on the opposite side.
6. Bolt the pump flange to the pipe flange.
7. Tighten the bolts with a suitable tool. Observe the tightening torques.
Table 7: Tightening torque depending on the pressure class
PN
[bar]
6
10/16
CalioTherm Pro
Thread Tightening torque
M12
M16
[Nm]
30
70