Lowara TDB 120, Installation And Operating Instructions Manual

Page: 56 / 120

Installation, Operating and Maintenance Instruction
Model TDB, TDV
TDB, TDV page 56
Revision 01
Issue 06/2012
The permitted application conditions and design
details of the delivered pump are shown in the
attached data sheet and / or order confirmation.
3.2 Bearings
TDB design:
Drive-side in the rolling bearings of the
motor. The bearings have lifetime grease lubrication
so that no maintenance is required.
TDV design: Drive-side: Pressure-side angular ball
bearing (fixed bearing) with relubrication mechanism
(lubrication nipple)
Bearing types
Pump Size
Grease Lubrication
Drive-side Bearing Type
TDV..... (120) 2x 7308 (X arrangement)
TDV..... (170) 2x 7308 (X arrangement)
TDV..... (220) 2x 7310 (X arrangement)
TDV..... (280) 2x 7310 (X arrangement)
TDB and TDV designs:
Intake-side: Medium-lubricated slide bearing in the
intake casing of the pump.
The pump-side slide bearing is lubricated by the
pumped medium.
3.3 Approximate Value for Sound Pressure Level
Nominal
power
P
N
in kW
Sound pressure level L
pA
in dB(A)
Pump alone Pump + Motor
2950
min
-1
1450
min
-1
2950
min
-1
1450
min
-1
1,5 66,7 65,8 68,2 66,0
2,2 68 67 69,2 67,2
3 69 68,1 71,5 68,3
4 69,9 69 72,1 69,2
5,5 71 70 73,1 70,4
7,5 71,9 71 73,7 71,3
11 73,3 72,3 75,0 73,2
15 74,2 73,3 75,6 74,0
18,5 74,9 74 76,1 74,6
22 75,5 74,5 77,1 75,1
30 76,5 75,6 77,8 76,1
37 77,1 76,2 78,3 76,8
45 77,9 76,9 79,4 77,4
55 78,5 77,5 80,1 78,0
75 79,4 78,5 81,4 78,9
90 80,1 79,1 81,8 79,4
110 80,8 79,8 83,4 80,2
132 81,3 80,4 83,7 80,8
160 81,9 81 84,1 81,3
200 82,7 84,6
250 83,4 86,2
315 84,1 86,6
355 84,6 86,9
Sound pressure level L
pA
measured in 1 m distance
from pump surface acc. to DIN 45635, part 1. Room
and foundation influences are not considered. The
tolerance for these values is
±
3 dB(A).
3.4 Permitted Nozzle Loads and Torques at the
Pump Nozzles ...
The individual forces and individual torques as well as
collective forces and collective torques given in the
table may not be exceeded.
∑
+ + =
] [ ) (
2 2 2
N Fz Fy Fx F
∑
+ + = ] [ ) (
2 2 2
Nm Mz My Mx M
TDB, TDV design
Permissible Forces / Torques on the DNS Suction
Joints
Dimension
Horizontal Suction
Joints,
Any Location
TDB 22
TDB 35
DNS 65
Fx 560
Fy 510
Fz 620
∑
F 980
Mx 350
My 200
Mz 260
∑
M 480
TDB 58
TDB 78
DNS 100
Fx 900
Fy 810
Fz 1010
∑
F 1580
Mx 440
My 260
Mz 330
∑
M 610
TDB 120
TDB 170
TDV 120
TDV 170
DNS 125
Fx 1130
Fy 1010
Fz 1250
∑
F 1970
Mx 570
My 350
Mz 440
∑
M 800
TDV 220
TDV 280
DNS 150
Fx 1350
Fy 1220
Fz 1500
∑
F 2360
Mx 700
My 440
Mz 540
∑
M 990
General Instructions:
Direction of the forces and torques:
Fx ...Force in direction of the x-axis (pump shaft)