English
10
Wilo AG 09/2005
3.2
Nomenclature
Designation of pump:
Each pump is supplied with the following name-
plate:
4 Installation
4.1
Location
The pump should be located to allow room for
access, ventilation, maintenance and inspection
with ample headroom for lifting and should be as
close as practicable to the supply of liquid to be
pumped.
Maximum effective pressure at discharge in bar
NP
G
(cast iron EN-GJL-250) - PN 10
NP
G
(cast iron EN GJS-400-15) - PN 16 - PN 10
Impeller
DN
150
DN
200
DN
250
DN
300
DN
350
DN
400
DN
500
DN
150
DN
200
DN
250
DN
300
DN
350
DN
400
DN
500
200
4
6
250
4
4
6
6
300
4
6
315
8
8
12
12
350
4
6
355
8
8
12
12
400
8
8
8
12
12
12
450
8
12
500
16
10
10
10
6.5
4
15
15
15
10
6
650
6.5
10
NP
G
200 / 315
- 37 / 4-12 - ...
NP
G
Type of pump WILO
200
Nominal width of pipe mount
315
Diameter of impeller
37
Power of motor
4
2 or 4 poles motor
12
05 Mechanical seal-standard coupling
12
Mechanical seal-coupling with
spacer
01
Packing gland-standard coupling
02
Packing gland-coupling with spacer
XX
Other design
...
Options
Nameplate
1 Type of pump
2 Flow rate
3 Head
4 Date of construction and article number
5 Diameter of impeller
6 Speed of rotation
7 Mass
8 Maximum admissible pressure at 20 °C
9 Maxi/Mini temperature
10 Radial/Thrust bearing
1
2
3
4
5
6
7
8
9
10
