Grundfos CRI Series User Manual

Construction
CR, CRI, CRN, CRE, CRIE, CRNE
15
CR(E) 32, 45, 64 and 90
Sectional drawing
Materials: CR(E)
CRN(E) 32, 45, 64 and 90
Sectional drawing
Materials: CRN(E)
1)
CF 8M is cast equivalent of AISI 316 stainless steel.
2)
Stainless steel available on request.
TM01 2150 1298TM03 2157 3805
Pos. Designation Materials AISI/ASTM
1 Pump head Ductile iron A 65-45-12
2 Motor stool Cast iron A 48-30 B
3 Shaft Stainless steel AISI 431
4 Impeller Stainless steel AISI 304
5 Chamber Stainless steel AISI 304
6 Outer sleeve Stainless steel AISI 304
7
O-ring for outer
sleeve
EPDM or FKM
8 Base Ductile iron A 65-45-12
9 Neck ring Acoflon 215
10 Shaft seal Cartridge type
11 Bearing ring Bronze
12
Bottom bearing
ring
Tungsten carbide/
Tungsten carbide
13 Flange ring Ductile iron
2)
A 65-45-12
Rubber parts EPDM or FKM
2
3
1
5
9
4
6
11
8
12
10
7
13
TM02 7399 3403TM03 2158 3805
Pos. Designation Materials AISI/ASTM
1 Pump head Stainless steel
CF 8M
1)
2 Motor stool Cast iron A 48-30 B
3 Shaft Stainless steel SAF 2205
4 Impeller Stainless steel AISI 316
5 Chamber Stainless steel AISI 316
6 Outer sleeve Stainless steel AISI 316
7
O-ring for outer
sleeve
EPDM or FKM
8 Base Stainless steel
CF 8M
1)
9 Neck ring Acoflon 215
10 Shaft seal Cartridge type
11 Bearing ring
Carbon-graphite filled
PTFE
12
Bottom
bearing ring
Tungsten carbide/
Tungsten carbide
13 Base plate Ductile iron
2)
A 65-45-12
14 Flange ring Ductile iron
2)
A 65-45-12
Rubber parts EPDM or FKM
2
1
5
9
4
6
12
7
13
3
10
8
14
11

Grundfos CRI Series Specifications

General

Protection Class	IP55
Insulation Class	F
Material	Stainless Steel
Applications	irrigation
Temperature range	+120 °C
Motor range	0.37 kW
Impeller Material	Stainless Steel
Connections	Flanged or threaded
Seal Type	Mechanical seal