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Installation, Operating and Maintenance Instruction
Model LR, LMR, LRZ, LMZ
3.3 Shaft Sealing
3.3.1 Structure of the mechanical seal
This shaft seal is a single mech. seal with installation
dimensions according to EN 12756 (DIN 24960)
design "K". API plan 02 / ISO plan 00.
No additional flushing of the seal chamber is
necessary. The seal casing where the mechanical
seal is located must always be filled with liquid.
For a description of materials and operational ranges
of the mech. seals supplied, please refer to the data
sheet in the Operation Instructions and order
confirmation.
For the internal structure of the mechanical seal see
the following sectional drawings.
LMR, LMZ
LR, LRZ
Index of parts:
3
Impeller
18/G
Casing cover
24
Shaft
412
Elbow sleeve
447
Spring
472
Rotating seal ring
474
Disc
475
Stationary seal ring
483
Bag
484.1
Elbow ring
487
Towing
DR
Orifice
Index of parts:
1
Impeller
18/G
Casing cover
24
Shaft
GD1
Spring with towing effect
GD2
O-ring (Shaft)
GD3
Rotating seal ring socket
GD4
O-ring (Rotating seal ring)
GD5
Rotating seal ring
GD6
Stationary seal ring
GD7
O-ring (Stationary seal ring)
Pump size LMR, LMZ
d
1
d
7
d
L
l
1k
LMR 125-160, LMR 125-200
LMR 125-250, LMR 125-315
LMR 150-250,
LMZ 125-160, LMZ 125-200
LMZ 125-250, LMZ 150-250
40
58
32
45
LMR 150-200, LMZ 150-200 50
70
42 47,5
Pump size LR, LRZ
d
1
d
7
d
L
l
1k
LR 40-125, LR 40-160
LR 40-200, LR 40-250
LR 50-125, LR 50-160
LR 50-200, LR 65-125
LR 65-160, LR 65-200
LR 80-125, LR 80-160
LRZ 40-125, LRZ 40-160
LRZ 40-200, LRZ 40-250
22
37
18 37,5
Pump size LMR, LMZ
d
1
d
7
d
L
l
1k
LRZ 40-200, LRZ 40-250
LRZ 50-125, LRZ 50-160
LRZ 50-200, LRZ 65-125
LRZ 65-160, LRZ 65-200
LRZ 80-125, LRZ 80-160
22
37
18 37,5
LR 50-250, LR 65-250
LR 80-200, LR 80-250
LR 100-160, LR 100-200
LRZ 50-250, LRZ 65-250
LRZ 80-200, LRZ 80-250
LRZ 100-160, LRZ 100-200
28
43
24 42,5
LR 100-250
LRZ 100-250
33
48
29 42,5
The mentioned dimensions refer to mechanical seals acc. EN
12756 with length l
1k
. Dimensions in mm without obligation! - This
leaflet is subject to alteration without notice !
page 42
Содержание LOWARA LMR 125-160
Страница 22: ...Einbau Betriebs und Wartungsanleitung Baureihe LR LMR LRZ LMZ Seite 18 ...
Страница 40: ...Instructions de montage de service et de maintenance Série LR LMR LRZ LMZ Page 36 ...
Страница 57: ...Installation Operating and Maintenance Instruction Model LR LMR LRZ LMZ page 53 ...
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