Direction Of Rotation; Noise Level; Connections; Permissible Forces And Moments - salmson NOLH Installation Et Mise En Service

Cast iron impellers :
3600 3000
RPM RPM
32‐125
32‐250
32‐160
32‐200
40‐250
40‐125
40‐160
50‐250
40‐200
50‐125
65‐250
50‐160
50‐200
80‐250
65‐125
65‐160
100‐250
65‐200
80‐160
125‐200
80‐200
100‐160
100‐200
Stainless steel impellers :
Speeds are identical to those given on cast iron impellers except for
sizes :
3000 1800
RPM RPM
40‐315
100‐250
50‐315
65‐200
125‐200
80‐160
Number of starts per hour :
Wait for pump full stop before staring up the pump again to avoid
damaging the motor and the pump.
Starting frequency depends on motor type. Ask manufacturer if
necessary.
A maximum of 15 starts per hour is recommended except for sizes 40‐
315 ; 50‐250 ; 50‐315 ; 65‐315 ; 80‐315 ; 80‐400 ; 100‐400 ; 125‐250 ;
125‐315 ; 125‐400 ; 150‐315 to 300‐500 that are limited to 8 starts per
hour.
5.2.2.5 TYPE OF HANDLED FLUIDS
Pump is used to handle clear liquids.
Maximum viscosity of fluid is 300 cSt (mm²/s), or 40°E.
Pump can occasionally handle solids in the liquid but it will drive to
a reduction of pump life, increasing of equipment noise level and
absorbed power.
Free passage depends on pump size :
PUMP SIZE
40‐315
32‐125 ; 32‐160B ; 40‐160 ; 32‐200A/B ; 40‐200 ; 32‐250 ; 40‐250
50‐250 ; 50‐315
125‐315
40‐125 ; 50‐125 ; 65‐125 ; 32‐160A ; 50‐160 ; 65‐160 ; 100‐160 ;
50‐200
65‐200 ; 80‐200 ; 100‐200 ; 65‐250 ; 80‐250 ; 100‐250 ; 125‐250 ;
65‐315
80‐315 ; 100‐315 ; 150‐315 ; 100‐400 ; 125‐400 ; 150‐400
80‐400
150‐500 ; 300‐500
80‐160 ; 125‐200 ; 150‐200 ; 150‐250 ; 200‐400 ; 200‐500
200‐250 ; 250‐300 ; 200‐315 ; 250‐315 ; 250‐400 ; 250‐500
300‐400
5.2.3 DIRECTION OF ROTATION
Serious damage can result if the pump is started or run in the
wrong direction of rotation.
Ensure that the direction of rotation is correct before first start‐up or if
maintenance work has been carried out on the electric power supply.
Direction of rotation must correspond to the arrow attached or
engraved in the pump.
All manuals and user guides at all-guides.com
1800 1500
RPM RPM
40‐315 150‐500
50‐315 200‐315
65‐315 200‐400
80‐315 200‐500
80‐400 250‐300
100‐315 250‐315
100‐400 250‐400
125‐250 250‐500
125‐315 300‐400
125‐400 300‐500
125‐200
150‐250
150‐315
150‐400
200‐250
1500
RPM
150‐250
MAX size (mm)
Ø2
Ø3
Ø5
Ø6
Ø7
Ø10
Ø12
Ø14
Ø16
Check direction of rotation when motor is apart (coupling spacer
dismantled or motor not coupled to pump). If not feasible due to pump
design (pump fitted with rigid coupling) it is necessary to check that
pump shaft turns freely after the test and before final pump start.
To check direction of rotation start motor briefly and check direction of
rotation just before rotation stops. If direction of rotation must be
modified then reverse two phases in motor junction box.
It is possible to change two phases in the control cabinet on motor
starter connections. If this solution is preferred then it will be
necessary to modify the identification of the cables in the electrical
drawings too.
5.2.4 NOISE LEVEL
Noise level of a complete pump set depends on motor type and speed,
on quality and wear of flexible coupling (if concerned), on fluid velocity,
piping design, ... Values given hereafter are only indicative and based on
fan cooled electric motors average noise levels.
The test must be perfomed on the supplied pump if the noise level
must be certified.
If noise level is higher than 85dBA, personel working in pump area
should wear hearing protections.
Motor speed 
Elec motor power
Pump set
[KW] 
< 0,55 65
0,75 65
1,1 65
1,5 70
2,2 75
3 75
4 85
5,5 85
7,5 85
11 85
15 85
18,5 85
22 85
30 85
37 90
45 90
55 95
75 95
90 95
110 95
150 95
Indicative noise level given in dBA (LpA at 1 m)
5.2.5 CONNECTIONS
 Suction flange axis is horizontal and the face is vertical.
 Discharge flange axis is vertical and the face is horizontal.
5.2.6 PERMISSIBLE FORCES AND MOMENTS
No other stress than the one due to fastening of pipe and pump
flanges together should apply. No stress must be applied to pump
casing by the pipe work. A pre‐stress may exceptionally be applied to
flanges to compensate a pipe expansion. But in any case the resulting
forces should not exceed values given hereafter.
The values are determined on the basis of ISO/DIN 5199 – Class II
(1997)‐ Appendix B, family N°2 for a max working temperature of
110°C. Pump casing made of FGL cast Iron.
Following coefficients were applied to basic values :
Pump assembled on cast iron base:
Forces : 0,4 x F
base
Moments : 0,4 x F
base
9
ENGLISH
2900 RPM 1450 RPM
Bare shaft Pump set Bare shaft
60 65 60
60 65 60
60 65 60
65 70 65
70 70 65
70 70 65
80 70 65
80 70 65
80 70 65
80 75 70
80 75 70
80 75 70
80 75 70
80 80 75
80 80 75
80 80 75
85 80 75
85 85 80
85 85 80
85 85 80
85 85 80