Grundfos CRK 2, Installation And Operating Instructions Manual

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English (GB)
11
5.3.3 Type key for MTR, MTRE
Example MTR E 32 (s) -2 /1 -1 -A -F -A -H UU V
Pump type
Pump with integrated frequency control
Rated flow rate [m
3
/h]
All impellers with reduced diameter (applies only to MTR 1s)
Number of chambers, see fig. 2
Number of impellers, see fig. 2
Number of impellers with reduced diameter
Pump version
A Basic version
B Oversize motor
C Inlet pipe
E Pump with certificate/approval
F 120 °C version
H Horizontal version
J Pump with different max. speed
P Undersize motor
T Double oversize
X Special version
Pipe connection
F DIN flange
G ANSI flange
J JIS flange
M Square flange with internal thread
W Internal thread
WB NPT internal thread
X Special version
Materials
A Basic version
I Wetted parts EN/DIN 1.4301 / AISI 304
X Special version
Shaft seal
H Balanced cartridge seal
Q Silicon carbide
U Tungsten carbide
B Carbon
E EPDM
F FXM
K FFKM
V FKM