Grundfos CRE Series Product Guide

CR, CRI, CRN, CRE, CRIE, CRNE
14
Construction
CR(E) 1s, 1, 3, 5, 10, 15 and 20
Sectional drawing
Materials: CR(E)
1)
CR(E) 1s, 1, 3, 5
2)
CR(E) 10, 15, 20
3)
Stainless steel available on request.
4)
CF 8M is cast equivalent of AISI 316 stainless steel.
5)
CRI(E)/CRN(E) 1s, 1, 3, 5
6)
CRN(E) 10, 15, 20
7)
CRI(E) 10, 15, 20
CRI(E), CRN(E) 1s, 1, 3, 5, 10, 15 and 20
Sectional drawing
Materials: CRI(E), CRN(E)
TM02 1198 0601 - GR7377 - GR7379TM02 1194 1403
Pos. Designation Materials AISI/ASTM
1 Pump head Cast iron A 48-30 B
3 Shaft Stainless steel
AISI 316
1)
AISI 431
2)
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 Cast iron A 48-30 B
9 Neck ring PTFE
10 Shaft seal Cartridge type
Bearing rings Silicon carbide
Rubber parts EPDM or FKM
12 FJG flange Cast iron A 48-30 B
1
3
10
4
5
9
8
6
7
TM02 1808 2001 - GR7373 - GR7375TM03 2156 3805
Pos. Designation Materials AISI/ASTM
1 Pump head Cast iron
3)
A 48-30 B
2 Pump head cover Stainless steel
CF 8M
4)
3 Shaft Stainless steel
AISI 316
5)
AISI 329
6)
AISI 431
7)
8 Base Stainless steel
CF 8M
4)
9 Neck ring PTFE
10 Shaft seal Cartridge type
11 Base plate Cast iron
3)
A 48-30 B
Bearing rings Silicon carbide
Rubber parts EPDM or FKM
CRI(E)
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
12 FGJ flange ring Ductile iron
3)
A 65-45-12
Oval flange Stainless steel AISI 316
CRN(E)
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
12 FGJ flange ring Ductile iron
3)
A 65-45-12
1
2
10
4
5
8
6
3
7
9
12
11

Grundfos CRE Series Specifications

General

Motor Type	Asynchronous
Enclosure Class	IP55
Insulation Class	F
Series	CRE
Protection Class	IP55
Material	Stainless Steel
Applications	Water Supply, Pressure Boosting, Irrigation
Pumped liquid	Clean liquids
Approvals	CE
Voltage	380-415V
Connection Size	DN 32 to DN 100
Efficiency	IE3 Premium Efficiency
Power Supply	3-phase
Liquid Temperature Range	-10°C to +120°C
Temperature Range	-10°C to +120°C