Grundfos CR Series Service Instructions

English (GB)
20
7.4 Order of assembly for chambers and impellers
The assembly of the pump is illustrated in the following drawings.
Each symbol corresponds to a different chamber.
Note: Pos. 49 is the standard size impeller. Pos. 49a is an
impeller with reduced diameter, 2/3 of standard size.
TM06 8473 0917
3
4
5
6
2
1
7
8
9
10
11
12
4
44
4a
47a
3
3a
47a
48
49b
49
49a
49
49a
49
49a
49
49a
49
49a
3a
48
49b
48
48a
49b
48
48a
48
49b
49b
47a
47g
47g
47a
Stage
2 3 4 5 6 7 8 9 10 11 1211
CR95
5
60 Hz50 Hz

Grundfos CR Series Specifications

General

Type	Centrifugal pump
Material	Stainless steel
Motor range	0.37 kW to 22 kW
Applications	Water supply
Impeller Material	Stainless steel
Connections	Flanged
Speed	2900 rpm
Temperature range	-20°C to +120°C (depending on model and material)