En
gl
is
h (
G
B)
6
5. Product introduction
The Grundfos pump, type MTD, is a multistage
centrifugal pump designed for the pumping of
cooling lubricants to filters for machine tools.
5.1 Pumped liquids
5.2 Identification
5.2.1 Nameplate
Fig. 4
Example of nameplate
DANGER
Fire and explosion
Death or serious personal injury
- Do not use the pump for flammable,
combustible or explosive liquids.
Liquids with a viscosity higher than the one
permitted can cause a decrease in motor
life time or lead to a motor failure.
Pumped liquid requirements
Maximum chip size [mm]
25
Maximum kinetic viscosity [mm
2
/s]
32
Permissible liquid temperature [°C]
0-60
T
M
05
19
38
39
11
t
liq
60°C Pipe conn. Rp 1 1/2" DE 6306ZZ / NDE 6204ZZ
f
Hz
50
P
1
W
1340
Q
nom
l/min
200
H
nom
m
14.0
f
Hz
50
U
V
220D / 380Y
I
1/1
A
5.1/3.0
I
max
A
5.4/3.2
Eff.
%
IE3 84.2
f
Hz
60
P
1
W
2300
Q
nom
l/min
250
H
nom
m
20.0
f
Hz
60
U
V
220D / 380Y
I
1/1
A
7.8/4.6
I
max
A
8.2/4.8
Eff.
%
IE3 85.5
min
-1
2956
n
min
-1
3481
n
2
4
5
1
24
17
23
25
22
15
Type MTD 250-280/2 M-W-D-BQQP
PN 99045533
Model A
PC 1617 SN 0001
Made in Korea
DK-8850 BJERRINGBRO DENMARK
Type MTD250-2
TEFC CONT Th.Cl F IP54 2Pole/S1 3Phase
P2(50/60)Hz 1.5/1.8 kW
3
16
6
7
8
9
14
6
10
12
13
11
18
19
20
21
Pos.
Designation
1
Production code (YYWW)
2
Product number
3
Type designation (see type key)
4
Serial number
5
Model
6
Frequency
7
Supply voltage
8
Full-load current
9
Maximum current
10
Motor input power
11
Rated speed
12
Rated flow rate
13
Rated head
14
Efficiency class
15
Motor enclosure class
16
Motor insulation class
17
Rated P2
18
Maximum temperature of pumped liquid
19
Pipe connection
20
Motor drive-end bearing
21
Motor non-drive-end bearing
22
Number of poles / duty type
23
Totally enclosed fan cooling
24
Duty (continuous)
25
Phase