Identification - Grundfos S2 Instrucciones De Instalación Y Funcionamiento

7.5 Identification

7.5.1 Type key
All S pumps, ranges 72, 74 and 78, described in this booklet are identified by the type designation stated in the confirmation of order and
other documentation supplied with the pump.
Please note that the pump type described in this booklet is not necessarily available in all variants.
Code Example
Pump type
S Grundfos sewage and wastewater pump
ST Multi-channel impeller pump installed in a column pipe
Impeller type
2 2-channel impeller
3 3-channel impeller
4 4-channel impeller
Pump passage
Maximum solids size [in] /10
35 3.5 in
Pump outlet, S-type
Nominal diameter of pump outlet port = Code number from type designation
divided by 10 [in]
A100 10 in
Column diameter, ST-type
[ ] Nominal diameter of column pipe = Code number from type designation divided by
10 [in]
Output power, P2
Code number from type designation divided by 10 [kW/hp]
50 Hz DIN version: 90-520 kW*
60 Hz DIN version: 90-560 kW*
60 Hz ANSI version: 140-750 hp**
Number of poles
4 4-pole motor
6 6-pole motor
8 8-pole motor
10 10-pole motor
12 12-pole motor
14 14-pole motor
Pump range
72 Range 72
74 Range 74
78 Range 78
Pressure version
S Super-high pressure
H High pressure
M Middle pressure
L Low pressure
E Extra-low pressure
F Super-low pressure
Installation
S Submersible installation without cooling jacket
C Submersible installation with cooling jacket
D Dry installation, vertical
H Dry installation, horizontal
Impeller diameter (mean)
[mm]
Material code for impeller, pump housing and stator housing
G Impeller, pump housing and stator housing: Cast iron
Q Impeller: Stainless steel, CF8M (DIN W.-Nr. 1.4408)
S 2 .35 .A100 .1680 .6 .72 S .H .488 .G .N .D .6 1H .Z
19