Identification; Pump; Nameplate - Grundfos Fire NKF Montage- Und Betriebsanleitung

7. Identification

7.1 Pump

7.1.1 Nameplate

The nameplate shows all important data of the pump. It is
attached to the bearing bracket.
Nameplate of a NKF pump
Fig. 6
Pos. Description
1 Type designation
2 Product number
3 EN approval number
4 Year of construction
5 Rated flow rate Q [l/min]
6 Rated speed n [rpm]
7 Head H [m]
8 Rated engine power [kW]
9 Country of origin
10 Impeller diameter [mm]
11 Max. operating pressure [bar]
12 Pump housing material
13 Manufacturer
14 Approval/standard
15 CE mark
10
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7.1.2 Type key
Example
Type range
NK pump for firefighting
Nominal diameter of pump
discharge port
65 mm
Nominal impeller diameter
200 mm
Actual impeller diameter
219 mm
Pump version
AH: NKF bare shaft pump
A2: NKF pump with spacer coupling
Pipe connection
DIN flange
Materials
Bronze impeller
Shaft seal
Approval/standard
F: VdS
G: EN/DBI
Codes for shaft seal
NKF 65 -200 /219 AH -F -B -BAQE -G
Position Code Description
1 B Rubber bellows seal
Position Code Material
A Metal-impregnated carbon
2 and 3
Q Silicon carbide
Position Code Material
4 E EPDM