Grundfos NBS Serie Instrucciones De Instalación Y Operación página 7

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Pos.
Explanation
Code for materials
Code
Pump housing
S2
A48 Class 35
S3
A48 Class 35
S4
A48 Class 35
S5
A48 Class 35
S6
A48 Class 35
S7
A48 Class 35
S8
A48 Class 35
S9
A48 Class 35
11
SA
70-50-05
SB
70-50-05
SC
70-50-05
SD
70-50-05
SE
70-50-05
SF
70-50-05
SG
70-50-05
SH
70-50-05
T2
A48 Class 35
TA
70-50-05
X
Special version
Rubber parts in pump
E: EPDM
®
F: FXM (Fluoraz
)
®
12
K: FFKM (Kalrez
)
M: FEPS (PTFE-sheathed silicone O-ring)
O: HNBR
®
V: FKM (Viton
)
Shaft seal arrangement
13
S: Single seal
Shaft seal in pump
14
Letter code for mechanical shaft seal and shaft seal rubber parts. See Letter codes for shaft seals.
15
Code for rated motor power [kW]. See Codes for rated motor power.
16
Code for phase and voltage [V] or other information. See Codes for phase and voltage or other information.
17
Code for speed variant [rpm]. See Codes for speed variant.
Impeller
Wear ring
304
No wear ring
304
No wear ring
304
No wear ring
304
No wear ring
316
No wear ring
316
No wear ring
316
No wear ring
316
No wear ring
304
No wear ring
304
No wear ring
304
No wear ring
304
No wear ring
316
No wear ring
316
No wear ring
316
No wear ring
316
No wear ring
CD4MCuN/A890
No wear ring
CD4MCuN/A890
No wear ring
Shaft
420
304
316
SAF 2205
420
304
316
SAF 2205
420
304
316
SAF 2205
420
304
316
SAF 2205
SAF 2205
SAF 2205
7

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