4.3 Type key for MTR, MTRE
Example
Pump type
Pump with integrated frequency control
3
Rated flow rate [m
/h]
All impellers with reduced diameter (applies only to MTR 1s)
Number of chambers, see fig.
Number of impellers, see fig.
Number of impellers with reduced diameter
Pump version
A
Basic version
B
Oversize motor
C
Suction 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
MTR E
2
2
32 (s) -2
/1
-1 -A -F -A -H UU V
7