Flowserve LNN Instrukcja Użytkownika Strona 12
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Oceniono. / 5. Na podstawie oceny klientów
LNN, LNNV, LNNC USER INSTRUCTIONS ENGLISH 71569074 06-14
Page 12 of 56 flowserve.com
3.3.5 Bearing housing
Two grease nipples enable grease lubricated
bearings to be replenished between major service
intervals. For oil lubricated bearings, a constant level
oiler is fitted.
3.3.6 Stuffing box housing
The stuffing box housing has a spigot (rabbet) fit
between the pump casing and bearing housing for
optimum concentricity. The design enables a
number of sealing options to be fitted.
3.3.7 Shaft seal
The mechanical seal(s) attached to the pump shaft
seals the pumped liquid from the environment.
Gland packing may be fitted as an option.
3.3.8 Driver
The driver is normally an electric motor. Different drive
configurations may be fitted such as internal
combustion engines, turbines, hydraulic motors etc
driving via couplings, belts, gearboxes, drive shafts etc.
3.3.9 Accessories
Accessories may be fitted when specified by the
customer.
3.4 Performance and operating limits
This product has been selected to meet the
specifications of your purchase order. See section 1.5.
The following data is included as additional information to
help with your installation. It is typical, and factors such
as temperature, materials, and seal type may influence
this data. If required, a definitive statement for your
particular application can be obtained from Flowserve.
3.4.1 Operating limits
Pumped liquid temperature limits
-20 to +80 ºC
(-4 to +176 ºF)
High temperature liquid limits *
-20 to +130 ºC
(-4 to +266 ºF)
Maximum ambient temperature
-20 to +40 ºC
(-4 to +104 ºF)
Maximum soft solids in suspension *
up to 3 % by volume
(refer for size limits)
Maximum pump speed
refer to the nameplate
* Subject to written agreement from Flowserve.
3.4.2 Pump and impeller data
Pump size
Hydraulic
Impeller
type
Impeller
minimum
passage size
mm (in.)
Nominal
wear ring
diameter
mm (in.)
Mean radial
wear ring
clearance
mm (in.)
200LNN300
A
22.4 (0.90)
215 (8.5)
0.3 (0.012)
200LNN325
24.3 (0.96)
240 (9.5)
200LNN375
A and B
25.5 (1.00)
215 (8.5)
200LNN400
29.6 (1.20)
240 (9.5)
200LNN475
24.0 (0.95)
200LNN500
17.5 (0.70)
215 (8.5)
200LNN525
A
30,0 (1.20)
240 (9.5)
200LNN600
A and B
16.0 (0.63)
250LNN325
D
30.1 (1.20)
250LNN375
A and B
27.8 (1.10)
264 (10.4)
250LNN475
32.5 (1.30)
250LNN600
22.0 (0.87)
250LNN650
32.0 (1.26)
330 (13.0)
300LNN325
A
20.0 (0.78)
300 (11.8)
300LNN450
30 (1.20)
300LNN475
A and B
36.3 (1.40)
330 (13.0)
300LNN500
36.8 (1.40)
300 (11.8)
300LNN575
42.9 (1.70)
350 (13.8)
300LNN600
30.0 (1.20)
300 (11.8)
300LNN625
25.0 (1.00)
330 (13.0)
300LNN750
27.9 (1.10)
350LNN375
A
25.0 (0.94)
350LNN475
A and B
45.4 (1.80)
380 (15.0)
350LNN575
41.2 (1.60)
350LNN725
48.0 (1.90)
350LNN900
33.0 (1.30)
400LNN600
A
46 (1.80)
420 (16.5)
400LNN600
D
45 (1.77)
400LNN725
A
53.3 (2.10)
400LNN725
B
45 (1.77)
400LNN800
A
50 (1.97)
470 (18.5)
400LNNA875
40 (1.57)
440 (17.3)
0.34 (0.013)
400LNN900
45.7 (1.80)
400LNN925
F
50 (1.97)
496 (19.5)
0.3 (0.012)
500LNN600
A
60 (2.36)
440 (17.3)
500LNN650
61 (2.40)
470 (18.5)
500LNN650
B
55 (2.16)
500LNN650
C
61 (2.4)
500LNN700
A
48.3 (1.90)
440 (17.3)
500LNN775
53.3 (2.10)
500 (19.7)
0.34 (0.013)
500LNN775
B
49 (1.93)
500LNN775
C
50 (1.97)
500LNN950
A
63.5 (2.50)
500LNN1000
45 (1.77)
500LNN1150
40.6 (1.60)
500LNN1250
37 (1.45)
600LNN750
80 (31.5)
564 (22.2)
0.45 (0.018)
600LNN750
B
70 (2.75)
600LNN950
A and C
68.6 (2.70)
620 (24.4)
600LNN975
A
71.1 (2.80)
564 (22.2)
600LNN975
B
60 (2.36)
600LNN1200
A
61 (2.40)
582 (22.9)
600LNN1200
B
50 (1.97)
600LNN1200
C
55 (2.16)
700LNN1225
A
88.9 (3.50)
700 (27.6)
700LNN1225
B
70 (2.75)
700LNN1225
D
60 (2.36)
900LNN1200
A
100 (3.94)
866 (34.1)
1000LNN750
A
85 (3.35)
658 (25.9)
0.55 (0.022)
1000LNN750
C
90 (3.54)
1000LNN800
A
80 (3.15)
0.5 (0.197)
Clearances for non-metallic wear rings are smaller,
typically 50 to 65% of those for the standard metallic rings shown
above.
- USER INSTRUCTIONS 1
- CONTENTS 2
- 1.6 Safety 5
- 1.9 Noise level 9
- 3 PUMP DESCRIPTION 11
- 3.1 Configurations 11
- 3.2 Name nomenclature 11
- 400-LNNA-875-AA 11
- 3.3 Design of major parts 11
- 4.3 Foundation 13
- 4 INSTALLATION 13
- 4.1 Location 13
- 4.2 Part assemblies 13
- 4.4 Grouting 14
- 4.5 Initial alignment 14
- 4.6 Piping 15
- Page 16 of 56 flowserve.com 16
- > 5 D 18
- 4.8 Electrical connections 19
- 4.9 Protection systems 20
- 5 COMMISSIONING, START-UP 20
- OPERATION AND SHUTDOWN 20
- 5.2 Pump lubricants 21
- 5.3 Direction of rotation 22
- 5.4 Guarding 22
- 5.6 Starting the pump 23
- 5.7 Running the pump 23
- 5.8 Stopping and shutdown 25
- 6 MAINTENANCE 26
- 6.1 General 26
- 6.2 Maintenance schedule 26
- TEMPERATURE 28
- 6.3 Spare parts 29
- 6.4 Recommended spares and 29
- 6.5 Tools required 29
- 6.6 Fastener torques 29
- 6.7 Renewal clearances 30
- 6.8 Disassembly 30
- 3200 31
- 6.9 Examination of parts 32
- 6.10 Assembly 32
- 3011.1 34
- 4305. 1 36
- 8 PARTS LISTS AND DRAWINGS 39
- BEARING LABYRINTH SEALS 41
- IMPELLER HUB RING 41
- 350 mm discharge 42
- VIEW ON ARROW 'A' 47
- Page 49 of 56 flowserve.com 49
- 10 OTHER RELEVANT 52
- DOCUMENTATION AND MANUALS 52
- 10.2 Change notes 52
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