Lowara NSCF 300-450/3150/W45 VDC4 [21/204] Note deriva da lne_m0001_a_ot del 06 1 014 con aggiunte modifiche

Lowara NSCF 100-200/750/W25 VCC4 [21/204] Note deriva da lne_m0001_a_ot del 06 1 014 con aggiunte modifiche
21
e-NSC SERIES - MECHANICAL SEALS
(Mechanical seal with mounting dimensions according to EN 12756 and ISO 3069.)
TENUTA MECCANICA LNE - LNT MATERIALI
B : Resin impregnated carbon E : EPDM G : AISI 316
A
: Antimony impregnated carbon V : FKM (FPM)
Q
1
: Silicon carbid
e
U
3
: Tungsten carbid
e
lne-lnt_ten-mec-en_a_tm
POSITION 1 - 2 POSITION 3 POSITION 4 - 5
PRESSURE/TEMPERATURE APPLICATION LIMITS FOR COMPLETE PUMP

















 

 










 

























   

   
.
nsc_tipi-ten-mec-en_a_tc











     
(*) acqua calda (**) pressione minima alla tenuta meccanica
Reference limits
Pump body (casing)
cast iron (C..) 16 bar @ 120 °C and 14,9 bar @ 140 °C
EN1092-2:1997, table 17, grey cast iron as EN 1561-GJL-200 (JL1030) & EN 1561-GJL-250 (JL1040)
cast ductile iron (D..) 16 bar @ 120 °C and 15,6 bar @ 140 °C
EN1092-2:1997, table 16, ductile cast iron as EN 1563 - EN-GJS400-15 (EN-JS1030)
cast stainless steel (N..): 16 bar @ 100 °C and 14,8 bar @ 140 °C
EN1092-1:2007+A1:2013+AC:2014, table G.4.1-4, 1.4408=Group 14E0
cast duplex (R..): 16 bar @ 140 °C
EN1092-1:2007+A1:2013+AC:2014, table G.4.1-4, 1.4517=Group 16E0
Mechanical seal
BQ1EGG-WA 16 bar @ -25/+90 °C, 10 bar @ 120 °C
Burgmann
BQ1VGG 16 bar @ -25/+120 °C (hot water up to 80 °C)
Q1Q1EGG 16 bar @ -25/+120 °C
Q1Q1VGG 16 bar @ -25/+120 °C (hot water up to 80 °C)
EPDM gasket -30/+140 °C
FKM gasket -20..15/+200 °C
Vapour pressure 60 °C 80 °C 100 °C 120 °C 140 °C
0,2 bar 0,48 bar 1,01 bar 1,99 bar 3,6 bar
Lowara is a registered trademark of Xylem Inc. or one of its subsidiaries - Lowara è un marchio registrato di Xylem Inc. o di una delle sue società controllate.
Disegnatore
M. Caldarde
Data
21 luglio 2015
Scala:
/
Revisione
C
Modello
NSC - p/T relationship (cast-iron)
Codice
NSC_M0003_C_ot
Xylem Service Italia Srl
Via Vittorio Lombardi 14
36075 Montecchio Maggiore VI - Italia
NSC_M0003_C_ot
p [bar]
0
5
10
15
20
FKM
-
40
-
20
0
20
40
60
80
100
120
140
160
t [°C]
EPDM, FKM
FKM (*)
EPDM
EPDM, FKM
CB, CC, CN, CR, CS
BQ
1
EGG-WA
BQ
1
VGG
Q
1
Q
1
EGG
Q
1
Q
1
VGG
U
3
AEGG
AU
3
EGG
U
3
AVGG
AU
3
VGG
(**)
G:\R&D_doc\Product-Data\NSC\Drawings\NSC_M0003_C_ot.xlsx
(*)
hot water (**) minimum pressure required at mechanical seal (hot water; could be different in case of other liquids).
Note deriva da LNE_M0001_A_ot del 06.11.2014 con aggiunte/modifiche.
Lowara is a registered trademark of Xylem Inc. or one of its subsidiaries - Lowara è un marchio registrato di Xylem Inc. o di una delle sue società controllate.
Disegnatore
M. Caldarde
Data
22 luglio 2015
Scala:
/
Revisione
A
Modello
NSC - Burgmann™ mechanical seal
Codice
NSC_M0005_B_ot
Xylem Service Italia Srl
Via Vittorio Lombardi 14
36075 Montecchio Maggiore VI - Italia
NSC_M0005_B_ot
3
1
2
4
5
3
BQ
1
EGG-WA
BQ
1
VGG
Q
1
Q
1
EGG
Q
1
Q
1
VGG
U
3
AEGG
U
3
AVGG
AU
3
EGG
AU
3
VGG
G:\R&D_doc\Product-Data\NSC\Drawings\NSC_M0005_B_ot.xlsx

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