Grundfos CRI Series User Manual

Construction
CR, CRI, CRN, CRE, CRIE, CRNE
16
CR(E) 120 and 150
Sectional drawing
Materials: CR(E)
1)
22 mm shaft, 15-60 Hp. 32 mm shaft, 75-100 Hp.
CRN(E) 120 and 150
Sectional drawing
Materials: CRN(E)
1)
Stainless steel available on request.
2)
22 mm shaft, 15-60 Hp. 32 mm shaft, 75-100 Hp.
GrA3731TM03 8835 2607
Pos. Designation Materials AISI/ASTM
1 Pump head Ductile iron
A 536
65-45-12
2
Motor stool (15-60 Hp) Cast iron A48-30 B
Motor stool (75-100 Hp) Ductile iron
A 536
65-45-12
3 Shaft Stainless steel AISI 431
4 Impeller Stainless steel AISI 304
5 Chamber Stainless steel AISI 304
6 Outer sleeve Stainless steel AISI 316
7 O-ring for outer sleeve EPDM or FKM
8 Base Ductile iron
A 536
65-45-12
9 Base plate Ductile iron
A 536
65-45-12
10 Neck ring PTFE
11 Shaft seal
1)
Cartridge type
12 Support bearing PTFE
13 Bearing rings Silicone carbide
Rubber parts EPDM or FKM
GrA3732 - GrA3735TM03 8836 2607
Pos. Designation Materials AISI/ASTM
1 Pump head Stainless steel A 351 CF 8M
2
Motor stool (15-60 Hp) Cast iron A48-30 B
Motor stool (75-100 Hp) Ductile iron
A 536
65-45-12
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 A 351 CF 8M
9 Base plate Ductile iron
1)
A 536
65-45-12
10 Neck ring PTFE
11 Shaft seal
2)
Cartridge type
12 Support bearing PTFE
13 Bearing rings Silicone carbide
14 Base plate Ductile iron
1)
A 536
65-45-12
Rubber parts EPDM or FKM

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