Grundfos NB Installation And Operating Instructions Manual page 8

Pos. Explanation
Code for pump version; the codes may be combined
A: Basic version
B: Oversize motor
C: Without motor
D: Pump housing with feet
9
(+E): With ATEX approval, certificate or test report, the second character of the code for pump version
is an E
F: Design with base frame
(+S): With support blocks, the second character of the pump version code is an S
X: Special version; used in case of further customisation than already listed
Code for pipe connection
E: Table E flange
10 F: DIN flange
G: ANSI flange
J: JIS flange
Flange pressure rating (PN - rated pressure)
1: 10 bar
2: 16 bar
11
3: 25 bar
4: 40 bar
5: Other pressure rating
8