Grundfos S2 - Product Introduction; Product Description, Identification, and Use

2. Product introduction
2.1 Product description
1
8
7
6
2
5
9
5
3
4
TM031507
S pump, frame 72
Pos. Description
1 Inlet
2 Outlet
3 Power cables
4 Control cable
5 Lifting bracket
6 Terminal box
7 Submersible motor
8 Pump
9 Vent valve
2.2 Intended use
S pumps are designed for the pumping of sewage
and wastewater in a wide range of municipal and
industrial applications.
2.3 Pumped liquids
S pumps are ideal for transferring the following
liquids:
• sewage
• wastewater.
2.4 Identification
2.4.1 Type key
All S pumps, ranges 72, 74 and 78, described in this
manual are identified by the type designation stated
in the order confirmation and other documentation
supplied with the pump.
Note: The pump type described in this manual is not
available in all variants.
Example: S2.90.250.2250.4.72S.C.496.G.N.D.513.Z
Code Explanation Designation
S
Sewage and waste-
water pump
Pump type
ST
Multi-channel impeller
pump installed in a
column pipe
2 2-channel impeller
Impeller type3 3-channel impeller
4 4-channel impeller
90
Maximum solids size
[mm]
Pump passage
[mm]
250
Nominal diameter of
the pump outlet
Pump outlet, S
type [mm]
[ ]
Nominal diameter of
the column pipe
Column diameter,
ST type [mm]
2250
Output power, P2
P2 / 10
Output power
[kW]
1
4 4-pole motor
Number of poles
6 6-pole motor
8 8-pole motor
10 10-pole motor
12 12-pole motor
14 14-pole motor
72 Range 72
Pump range74 Range 74
78 Range 78
7
English (GB)