Grundfos Fire NKF Montage- Und Betriebsanleitung Seite 12

7.2.2 Type key
Example
Grundfos fire systems
Pump type
Pump for firefighting
Nominal diameter of discharge port [mm]
Pump housing size [mm]
Actual impeller diameter [mm]
Driver
D: Diesel engine
E: Electric motor, 50 Hz
Approval/standard of pump
F: VdS
G: EN/DBI
Approval
No specific approval
Pipe connection
DIN flange
Version of fire pump set
With diesel engine
B: Compact (all components on a common base frame)
S: Flex (controller and tank delivered separately)
C: Flex B (fuel tank delivered separately)
With electric motor
X: Basic (without controller)
B: Compact (all components on a common base frame)
S: Flex (controller delivered separately)
Shaft seal
BAQE
Coupling
A: Standard coupling
B: Spacer coupling
F: Centaflex coupling
The example shows an EN 12845-compliant Fire NKF 80-250
pump set with the following components:
• pump with DN 80 discharge port
• 270 mm impeller
• diesel engine drive
• pump with DIN flanges
• controller mounted on base frame
• BAQE shaft seal
• flexible coupling.
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Fire NK F 80 -250 /270 D G X D B A F