Type Key; Env; Cm Sp; A I Max - Grundfos CM SP Service Instructions Manual

2.2 Type key

Example
Type range
CM: Centrifugal Modular
Rated flow rate
3
Rated flow rate at 50 Hz [m /h]
Number of impellers
Pump version
O: Self-priming version (max. suction lift, 8 metres)
S: Self-priming version (max. suction lift, 4 metres)
Pipe connection
R: Whitworth thread, Rp (ISO 7/1)
Materials in contact with pumped liquid
I: Sleeve
Pump shaft
Impellers/chambers
Rubber parts in pump (excluding neck ring and shaft seal)
E: EPDM (ethylene propylene)
Note: Other supply voltages, shaft seal combinations and pipe connections are available on request.
Stainless steel EN 1.4401/AISI 316 is also available on request.
Note
The type key cannot be used for ordering, as not all combinations are possible.
CM 3 - 6 O - R - I - E - A V
EN 1.4301/AISI 304
EN 1.4301/AISI 304
EN 1.4301/AISI 304
B E C - A - A - N
Sensor
N: No sensor
Mains plug
A: Prepared for cable glands
Motor information
A: Standard motor (IP55)
Supply voltage
A: 1 x 220 V, 60 Hz
C: 1 x 220-240 V, 50 Hz
Material of secondary seal
E: EPDM (ethylene propylene)
Material of stationary seat
B: Carbon, resin-impregnated
Q: Silicon carbide (SiC)
Material of rotating seal face
Q: Silicon carbide (SiC)
V: Aluminium oxide (AI203)
Shaft seal
A: O-ring seal with fixed driver
3