Grundfos CM series Service Instructions

2.2 Type key
CM, CME
Example
CME 10-8 A-R-A-E-A V B E X-X-X-X
Code Explanation
CME Code for type range
10
Rated flow rate at 50 Hz [m
3
/h]
8 Number of impellers
A Code for pump version
R Code for pump connection
A Code for materials in contact with pumped liquid
E
Code for rubber parts in pump (excl. neck ring and
shaft seal)
A
V
B
E
Code for shaft seal:
• Shaft seal type designation
• Material of rotating seal face
• Material of stationary shaft seal part
• Material of secondary seal
X Code for supply voltage
X Code for motor information
X Code for mains plug
X Sensor designation
2.3 Key to codes
Code Description
Type range
CM Centrifugal Modular
CME CM with integrated frequency converter
Pump version
A Basic version
B Oversize motor (one flange size larger)
E Pumps with certificates and other approvals
HS High-pressure pump with high-speed MGE motor
I Altered pressure class
J Pump with a different maximum speed
M Magnet-driven pump
N CME pump with sensor (see code for "Sensor")
P Undersize motor (one flange size smaller)
T Oversize motor (two flange sizes larger)
V CME pump for Multi-E
X Special pump
Pipe connection
C
Tri-Clamp
®
F DIN flange
G ANSI flange
J JIS flange
P PJE coupling
R Whitworth thread Rp (ISO 7/1)
S Internal NPT thread
Materials in contact with pumped liquid
A
Inlet and discharge parts EN-GJL-200
Pump shaft EN 1.4057/AISI 431
Impellers/chambers EN 1.4301/AISI 304
Sleeve EN 1.4401/AISI 316
G Pump shaft EN 1.4401/AISI 316
Code Description
Impellers/chambers EN 1.4401/AISI 316
Sleeve EN 1.4301/AISI 304
I
Pump shaft EN 1.4301/AISI 304
Impellers/chambers EN 1.4301/AISI 304
X Special version
Rubber parts in pump (excl. neck ring and shaft seal)
E EPDM (ethylene propylene)
K FFKM (perfluor)
V FKM (fluor)
Note that gaskets between chambers of cast-iron versions are
made of Tesnit BA-U.
Shaft seal type designation
A O-ring seal with fixed driver
Material of rotating seal face
Q Silicon carbide (SIC)
V Aluminium oxide (AI203)
Material of stationary shaft seal part
B Carbon, synthetic resin-impregnated
Q Silicon carbide (SIC)
Material of secondary seal
E EPDM (ethylene propylene)
K FFKM (perfluor)
V FKM (fluor)
Supply voltage
A 1 x 220 V, 60 Hz
B 1 x 115/230 V, 60 Hz
C 1 x 220-240 V, 50 Hz
D 1 x 127 V, 60 Hz
E 3 x 208-230/440-480 V, 60 Hz
F 3 x 220-240/380-415 V, 50 Hz
G 3 x 200/346 V, 50 Hz; 200-220/346-380 V, 60 Hz
H 3 x 575 V, 60 Hz
I 3 x 400 V, 50/60 Hz
J 3 x 380-415 V, 50 Hz; 440-480 V, 60 Hz
K 1 x 220-240 V, MGE motor
L 3 x 380-480 V, MGE motor
M 1 x 208-230 V, MLE motor
N 3 x 460-480 V, MLE motor
O
3 x 220-240/380-415 V, 50 Hz
3 x 220-255/380-440 V, 60 Hz
Motor information
A Standard motor (IP55)
B
Phase-insulated motor for use with frequency con-
verter
C IP54
D Pt100 in stator
E Angular contact bearing
F Motor heater
G Three-phase motor with overload protection
H Single-phase motor with no overload protection
6
English (GB)

Grundfos CM series Specifications

General

Enclosure Class	IP55
Impeller Material	Stainless steel
Type	Centrifugal
Material	Cast iron or stainless steel (various grades depending on model)
Motor range	0.37 kW to 4 kW (depending on model)
Applications	Water supply, Industrial processes
Maximum Operating Pressure	10 bar
Installation	Horizontal or Vertical
Stages	Multi-stage
Motor Power	0.37 kW to 4 kW (depending on model)
Speed	2900 rpm
Power supply	1 x 220-240 V, 50/60 Hz or 3 x 220-240/380-415 V, 50/60 Hz (depending on model)