Grundfos fire systems end-suction pump NBF is an end-suction pump made for fire sprinkler pump applications. NBF is a close-coupled type and NKF is a long-coupled type. The NKF fire system is an NBF or NKF end-suction pump integrated with a coupling and a driver, which may be an electric motor or a diesel engine, assembled on a base frame.

Electric pump types can be ordered as a COMPACT model (inclusive of a controller integrated onto the baseframe). Diesel-driven NKF. A controller always forms a part of the system.

Grundfos fire systems end-suction pump

Electric motor
The electric motor is an MG or MMG motor complying with local standards for electric motors. As from 16 July 2011, the motors used in Europe will be IE2 = EFF 1 motors.

Diesel engine
The diesel engine can operate continuously at full load at site elevation with rated output in accordance with ISO 3046-1:1986. The pump reaches full operational speed within 15 seconds; the engine is capable of starting at a room temperature of 5 °C.

Each complete engine pump unit is tested on the manufacturer’s test bed for at least 1.5 hours at rated flow rate, and the result recorded on the test certificate.

Applications
The Grundfos fire pump units are typically used in fire-fighting applications for supplying water to fire-hose reels, fire hydrants or sprinkler systems.

Features and benefits
Pumps are made according to EN12845 and PrEN12259-12
Electric or diesel powered
Designed for superior functionality and performance reliability
Simple installation and easy maintenance
Compact design
Customised and reliable solutions
Widest range from one supplier.