Type Key - Grundfos NB Serie Instrucciones De Instalación Y Funcionamiento

4.2 Type key

Model B
Example 1, pump design according to EN 733
Example 2, pump design according to ISO 2858
Type range
Nominal diameter of inlet port (DN)
Nominal diameter of outlet port (DN)
Nominal impeller diameter [mm]
Reduced performance: .1
Actual impeller diameter [mm]
Code for pump version; the codes may be combined
A Basic version
B Oversize motor
C Without motor
D Pump housing with feet
With ATEX approval, certificate or test report, the second character of the pump
E
version code is an E
F Version with base frame
S With support blocks
X Special version; used in case of further customisation than already listed
Pipe connection
E Table E flange
F DIN flange
G ANSI flange
J JIS flange
Flange pressure rating (PN - rated pressure)
1 10 bar
2 16 bar
3 25 bar
4 40 bar
5 Other pressure rating
Materials
Pump
Impeller
housing
A EN-GJL-250 EN-GJL-200 Bronze/brass
Bronze
B EN-GJL-250
CuSn10
C EN-GJL-250 EN-GJL-200 Bronze/brass
Bronze
D EN-GJL-250
CuSn10
E EN-GJL-250 EN-GJL-200 EN-GJL-250
Bronze
F EN-GJL-250
CuSn10
G EN-GJL-250 EN-GJL-200 EN-GJL-250
8
Wear ring Shaft
1.4301
Bronze/brass 1.4301
1.4401
Bronze/brass 1.4401
1.4301
EN-GJL-250 1.4301
1.4401
NB 32 -125 .1
NBG 125 -100 -160 /160-142 A F 2 N K S DQQK
/142 AE F 1 A E S BAQE