Advanced Technology for Superior Protection

Grundfos FIRE SYSTEMSBeing responsible is our foundation

Thinking ahead makes it possibleInnovation is the essence

www.grundfos.com

> BE Being responsible is our foundation. We know that we

have a responsibility towards the people who are Grundfos,

towards the innovative soul of Grundfos, as well as towards

the surrounding world. Whatever we do, we make sure that

we have a firm and sustainable basis for doing it.

> THINK Thinking ahead makes innovation possible. We encourage

a certain Grundfos way of thinking that is founded on the

belief that everyone must contribute by using his or her jud-

gement and foresight. We look for commitment and ideas

in everything we do in order to make the best solutions. We

think and then we act.

> INNOVATE Innovation is the essence. It is the innovations that make

Grundfos unique. We stand out because of our ability

to constantly create new solutions for the ever-changing

demands of the pump business. We meet every challenge

and we are never afraid of taking the initiative. Remaining

true to our ideals is the basis for our ongoing renewal.

Innovation is the soul of Grundfos.

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Cool solutions for hot issuesThere are two major reasons why it is imperative to pay close attention to the fire protection solution in the buildings. The

first reason is obvious: high quality fire prevention provides the best safety guarantee for the people who use the building

and the environment that surrounds it. The second reason is more pragmatic: having high quality fire prevention severely

reduces the cost of insurance premiums. In Germany alone, around 150,000 fires a year cause damage worth more than 2

billion €. And insurance companies give discounts of up to 65% to public facilities and commercial buildings that install the

best stationary fire protection systems.

At Grundfos, we have more than 60 years of experience in pump applications. Read on to find out more about our fire pre-

vention solutions and be inspired to leave fire prevention to our experts.

The systems of choiceStationary fire protection systems provide the preferred way of protecting commercial buildings and public facilities. Most

of the stationary systems work with water, which is available in sufficient quantities almost everywhere and is an excel-

lent extinguishing medium. In the stationary protection systems, sprinkler systems distribute a fine spray of water over

a large area, which cools the fire seat and fights the fire. The water also absorbs released gases, soot, and other harmful

substances.

Grundfos has firepumps that fullfill the VdS standards – an internationally recognized standard of sprinkler systems. Our

fire pumps are also available on request with all other major international certifications.

54

110

100

90

80

70

60

50

40

30

20

105,54,5

0

0 100 120

Design and materialsSprinkler pumps are distribution pumps which pump water

through stationary sprinkler systems using water spray or

foam. They may only be put into operation in case of a fire

or for testing purposes. By way of a minimum requirement,

their castings must be manufactured from grey cast iron.

Impellers and their attachments, shafts, and shaft sleeves

must be made of non-rusting materials. To guarantee the

shortest possible repair times, all key functional compon-

ents must be replaceable using appropriate means at the

site of installation.

Characteristic curves, flow rate, head, NPSHLike any hydraulic system, fire extinguishing systems fea-

ture a performance range in which the operating points for

maximum and minimum pressure and for maximum and

minimum flow rate are defined. To ensure optimum cove-

rage of all points, the hydraulics in fire pumps are designed

to achieve a stable (+/- 5% of Hmax) and flat characteristic

curve. When pumping the approved flow rate, the 4.5 m

NPSH value must not exceed 5.5 m at 1.2 Qzul. Flow rates

and heads are determined and tested by the VdS in accor-

dance with DIN 1944 Accuracy Level III, taking into account

the VDI flow regulations contained in DIN 1952. The per-

formance data of pump and drive motor are stated in test

records and on the name plates.

Installation, commissioning, regular testingThe power supply for alarm and drive systems must feature

a redundant, uninterrupted design. Approved fire pumps

must only be fitted, commissioned, and serviced by certified

installation engineers. Operators of fire protection systems

must appoint a responsible person and a deputy. Routine

inspections, functional tests, and annual maintenance work

must be regularly carried out and the results recorded. The

insurance company must be informed if the system is taken

out of service for any reason.

Meetingthe demands

The Grundfos fire pump range includes quality pumps for every VdS basic range. In order to fully live up to the standards,

strictly defined requirements must be met regarding three areas:

•Designandmaterials

•Curves,flowrates,headsandNPSHcurves

•Testing,installationandcommissioning

For more details on the specific requirements, please contact your local Grundfos company. On the opposite page is an

illustration of a characteristic curve for a Grundfos fire pump.

Flow Q [%]

Head H [m]

Max. pressure at closed valve

NPSH curve

Max. operation point NPSH max. 5.5 m

Nom. operation pointQ = 100 %, max. 600 m3/h

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Getting it rightTo ensure that you choose the right pump for your needs you have to determine two

things: 1) how much water will be needed for extinguishing purposes in case of a fire

and 2) what is the resistance that needs to be overcome when the water is pumped

through the pipe network. The diagram to the right indicates the appropriate pump for

your system at the point where the flow rate and the head intersect. Besides the stan-

dard sizes in the diagram, Grundfos also provides intermediate sizes or any individual

operating point on request as customised solutions. Simply ask the specialist in your

local Grundfos company for expert advice.

H [m]

H [m]

120

120

100

100

90

90

80

80

70

70

80

80

50

50

40

40

30

30

20

20

20 30 40 50 60 80 100 150 200 300 400 500 600 800

20 30 40 50 60 80 100 150 200 300 400 500 600 800

Q [m²/h]

Q [m²/h]

50-200/2

50-2002960 min-1

65-200/2

65-2002960 min-1

80-200/2

80-2002960 min-1

80-250/2

80-2502960 min-1

150-400/4

150-4001480 min-1

150-4001600 min-1

150-4001700 min-1

150-4001800 min-1

150-500/4

150-5001800 min-1

Performance range NKF 50 Hz:

Performance range NKF Diesel:

* *98

Example Fire NK F 65 -200 /195 E F D B A AFire: Fire systemPump type: NKF: Pump approved for fire protectionNominal diameter of discharge port [mm]Pump housing size: [mm]Nominel impeller diameter: [mm]Driver: D: Diesel engine E: Electric motor, 50 Hz G: Two electric motors, 50 Hz I: Diesel/electrical J: Diesel/diesel X: Special configurationApproval: D:CNBOP, F: VdS Pipe connection A: ANSI D: DIN Control panel B: Base plase/ frame mounted F: Floor mounting W: Wall mounting X: No panelShaft seal A: BAQECoupling A: Standard B: Spacer C: Elastic (diesel) D: PTO shaft (diesel) O: Other

Type key:Three stepsto more safety

Step 1 – professional adviceThe highest level of safety comes from involving the highest level of knowledge

in your project from the beginning. A precise risk analysis and professional

technicaladvicewillhelpyoudecideexactlywhatyourneedsare.Consultyour

adviser and your insurance company and you are on the right track to safety.

Step 2 – redundant systemsIf you want the very best fire prevention, step 2 is to use redundant fire protec-

tion systems. Redundant systems are equipped with two fire pumps that each

have the capacity to supply water to the connected sprinkler systems in case

of an emergency. That means that you are guaranteed the best possible safety

in every situation. Redundant systems double the protection and eliminate the

worries.

Step 3 – alternative drive motorsStep 3 is to integrate alternative drive motors in your system. They allow for a

more flexible system that is not dependent on two different electrical power

sources.

The ideal pump combination in redundant systems is an electrically-driven

pump combined with a diesel-driven pump.

10 11

LL

L1

L2

aa

a1 a1

a2

W3

W2

d

H2

H3

h

Custom-madefire protection

At Grundfos, we love the challenge of customising new pump systems to match the specific needs of our client. One examp-

le is our systems with split base plate and separate control cabinet. We use this system when the space is tight or doors and

corridors are too narrow to bring through the traditional pump systems in which pumps, control cabinets, and manifold are

directly fitted to a single base plate. Whatever the challenge, we are ready to meet it.

Pump type Motor (kW) a a1 a2 L L1 L2 d W2 W3 H H2 H3 Net weight (kg)

Fire fighting pumps with electric motor: Compact Unit

NFK50-200

1518,52230

100 25 60

1072111611541221

1100 1050 13 890 840 100 200

260260280300

231254292372

NFK65-200

18,5223037

100 25 75

1116115412211221

1100 1050 13 890 840 100 225

280280300300

303312350451

NFK80-200

30374555

125 257580

1356135614061509

1350 1300 13 890 840 100 250

300300325350

526661749814

NFK80-250

45557590

125 25 90

1406150915431594

1400 1350 13 890 840 100 280

325350380380

526661749814

NKF 150-400

45 55 75 90

160 150 125

1532 1605 1638 1689

1500 1600 1600 1650

1200 1300 1300 1350

22 1000 925 200 450

425 450 480 480

944 1073 1176 1227

NKF 150-500

110 132 160 200 250

180 150 125

2059 2172 2172 2172 2371

2000 2150 2150 2150 2350

1700 1850 1850 1850 2050

200 1000 925 200 500

515 515 515 515 555

1689 1854 1938 2038 2420

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ma

pc

mc

pd

Lb

cbWb

Wa

695800

La

pa

1

2

3

4n Ø 25Lc Lc

pb

mb

ma

pc

mc

pd

Lb

cbWb

Wa

850800

La

pa

1

2

3

4n Ø 25Lc Lc

mb

1 JU4H-NL14, -NL24: 3.0” (76 mm) tube-clamped exhaust connection JU4H-NL34, -NL50: 4.0” (102 mm) tube-clamped exhaust connection

2 Raw water connection for heat exchanger: - 1” BSPF (in - from cooling loop) - 1.25” BSPF (out - far side to drain)

3 Battery area: 790 x 695

4 Lifting holes (4 x Ø76)

JU6H-NL

1 5.0” (127 mm) tube-clamped exhaust connection

2 Raw water connection for heat exchanger: - 1” BSPF (in - from cooling loop) - 1.25” BSPF (out - far side to drain)

3 Battery area: 1100 x 695

4 Lifting holes (4 x Ø76)

JW6H-NL

1 JW6H-NL30, -NL40: 5.0” (127 mm) tube-clamped exhaust connection JW6H-NL60: 6.0” (152 mm) tube-clamped exhaust connection

2 Raw water connection for heat exchanger: - 1” BSPF (in - from cooling loop) - 1.25” BSPF (out - far side to drain)3 Battery area JW6H-NL30, -NL40: 990 x 850 JW6H-NL60: 1065 x 850

4 Lifting holes (4 x Ø76)

1312

Fire fighting pumps with diesel engine

Grundfos reserves the right to change constructional details

JU4H-NL

JU6H-NL / JW6H-NL

NKF size Engine type DNs DNd pa pb pc pd ma mb mc md La Lb Lc Wa Wb n number of holes

Weight (kg)

Fire NKF 50-200 JU4H-NL14 65 50 235 110 655 455 1146 127 1600 1156 2600 1150 150 785 845 6 1222

Fire NKF 65-200 JU4H-NL14 80 65 235 110 680 455 1146 127 1600 1156 2600 1150 150 785 845 6 1255

Fire NKF 80-200JU4H-NL14 JU4H-NL24

100 80 100 0 705 455 1146 127 1600 1156 2600 1150 150 785 845 6 1330

Fire NKF 80-250JU4H-NL24 JU4H-NL34

100 80 100 0 735 455 1146 127 1600 1156 2600 1150 150 785 845 6 1360

Fire NKF 150-400 JU4H-NL50 200 150 200 0 910 460 1246 127 1600 1156 2600 1150 150 785 845 6 1420

Fire NKF 150-400JU6H-NL30 JU6H-NL50 JU6H-NL60

200 150 160 0 910 460 1396 126 1630 1156 2800 1250 150 785 845 6 1475

Fire NKF 150-500 JU6H-NL60 200 150 180 0 1040 540 1558 126 1700 1156 3000 1350 150 785 845 6 1530

Fire NKF 150-400 JW6H-NL30 200 150 160 0 910 460 1396 126 1630 1156 2800 1250 150 785 845 6 1475

Fire NKF 150-500 JW6H-NL30 200 150 180 0 1040 540 1558 126 1700 1156 3000 1350 150 785 845 6 1530

1514

Your reliable partnerStationary fire protection systems are long-term investments that must offer complete reliability in every situation. All over

the world, millions of people depend on highly advanced Grundfos pumps to supply basic necessities and serve complex

needs. Grundfos systems pump groundwater from wells, help with water purification, distribute drinking, heating and

cooling water, drain land and buildings, ensure hygienic transport of waste water, and guarantee a reliable supply of water

for fire fighting in stationary systems.

Grundfos Fire Competence CentresRegional Fire Competence Centres are experiencedmanu­

facturers of pumps and systems of superior quality, and they

deliver first-class after sales service. Our dedication to high

quality products, careful workmanship, and comprehensive

testing makes sure that we meet all the global requirements

for certified systems.

The world is our homeGrundfos is represented internationally in a worldwide sales

and service network. That means that our clients benefit

from our professional advice, punctual delivery, highly qua-

lified installation, and reliable service no matter where they

are in the world. Wherever you may need a fire protection

system, there is a Grundfos company there to help.