
/ / FP PUMP SERIES / / /
28
10 Appendix 1
10.1 Specifications
10.1.1 Tightening Torques for Screws and Nuts
Material: Steel, Strength Class: 8.8
Material: Stainless Steel, Strength Class: 70
Material: Stainless Steel, Strength Class: 80
10.1.2 Noise Emissions
10.2 Maintenance Intervals
1
1
For information on motor maintenance intervals, please see the motor operator's manual.
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
11
27
54
93
230
464
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
7.4
17.5
36
62
150
303
Thread
M6
M8
M10
M12
M16
M20
Tightening
Torque [Nm]
1o
24
49
80
203
393
Pump Size
Noise Level
dBA
711/712
75
721/722
71
741/742
79
751/752
78
3401/3402
71
3521/3522
74
3531/3532
79
3541/3542
78
3451/3452
81
3551/3552
81
1151/1152
89
1231/1232
79
1241/1242
89
1251/1252
92
Table 12 Noise emissions
The specified values apply to operation of the pump at the best
efficiency point (see
"Pump Characteristic Curve"
). The noise level
can differ greatly at other working points.
Model
Interval
Maintenance Task
Chapter
All with "Sealing and Quench-
ing Liquid" option
Once a day
Check the sealing or quenching liq-
uid.
See
Chapter 9.3, "Inspection of Sealing and Quenching Liquid
.
L 2, L 3/L3V, L 4V
Once a day
Check the oil level.
KF1,KF 2, KF 3
5,000 h
Lubricate the shaft bearing.
See
Chapter 9.5.4, "Model KF," page 16
L 2, L 3/L3V, L 4V
5,000 h
Change the oil.
See
Chapter 9.5.2, "Models L 2, L 3/L3V and L 4V," page 15
L1
5,000 h
Lubricate the shaft bearing.
See
Chapter 9.5.3, "Model L1," page 16
.
All
When necessary
Replace the shaft seal.
See
Chapter 9.7, "Shaft Seal Replacement," page 18
All
When necessary
Replace the motor.
See
Chapter 9.6, "Motor Replacement," page 17
FPE/FPV
When necessary
Replace the shaft.
See
Chapter 9.11, "Models FPE and FP…V: Mounting and Align-
ment of the Pump Shaft," page 27
.
All
According to
manufacturer's
specifications
Lubricate the motor bearings.
See
Chapter 9.4, "Lubrication of Motor Bearings," page 15
.
Table 13 Maintenance intervals