Identification; Type Key For Cr, Crn 1S, 1, 3, 5, 10, 15 And 20 H; Type Key For Cr, Crn 32, 45, 64 And 90 H; Codes - Grundfos CR-H Installation And Operating Instructions Manual

3. Identification

3.1 Type key for CR, CRN 1s, 1, 3, 5, 10, 15 and 20 H

Example
Pump range: CR, CRN
3
Rated flow rate in m /h (x 5 = GPM)
Number of impellers
Code for pump version
H: Horizontal pump
Code for pipework connection
Code for materials
Code for rubber pump parts
Code for shaft seal

3.2 Type key for CR, CRN 32, 45, 64 and 90 H

Example CR 32 -2 -1 H- X- X- X- XXXX
Pump range: CR, CRN
3
Rated flow rate in m /h (x 5 = GPM)
Number of stages
Number of impellers with reduced diameter
Code for pump version
H: Horizontal pump
Code for pipework connection
Code for materials
Code for rubber pump parts
Code for shaft seal

4. Codes

Example
Pump version
A Basic version*
B Oversize motor
E Certificate/approval
CR pump for high temperatures
F
(air-cooled top assembly)
H Horizontal version
I Different pressure rating
J Pump with different maximum speed
K Pump with low NPSH
M Magnetic drive
N Fitted with sensor
P Undersize motor
Oversize motor
T
(two flange sizes bigger)
X Special version*
6
CR 3- 10 H- X- X- X- XXXX
H -GA -A -E -H QQ E
Example
Pipework connection (suction x discharge)
GA ANSI 1.5" x 1"
GB ANSI 3" x 1.5"
GC ANSI 3" x 2"
G05 ANSI 2" x 1"
G10 ANSI 3" x 2"
G20 ANSI 3" x 1.5
G30 ANSI 3" x 1.5"
G40 ANSI 4" x 3"
G50 ANSI 3" x 1.5"
G60 ANSI 3" x 2"
G70 ANSI 4" x 3"
G22 ANSI 2" x 2"
G33 ANSI 3" x 3"
G44 ANSI 4" x 4"
Materials
A Basic version
D Carbon-graphite-filled PTFE (bearings)
G Wetted parts AISI 316
GI All parts stainless steel, wetted parts AISI 316
I Wetted parts AISI 304
II All parts stainless steel, wetted parts AISI 304
K Bronze (bearings)
S SiC bearings + PTFE neck rings
X Special version
Rubber pump parts
E EPDM
F FXM
K FFKM
V FKM
Shaft seal
H Balanced cartridge seal with O-ring
K Metal-bellows cartridge seal
O Double seal, back-to-back
P Double seal, tandem
X Special version
B Carbon, synthetic-resin-impregnated
H Cemented tungsten carbide, embedded (hybrid)
Q Silicon carbide
U Cemented tungsten carbide
X Other ceramics
E EPDM
F FXM
K FFKM
V FKM
* If a pump covers more than two pump versions, the code for
the pump version is X. X also indicates special pump versions
not listed above.
H -GA -A -E -H QQ E