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Wilo-FLA-2 | Wilo
Your advantages
Wilo-FLA 2 Helix V 3604

Your advantages

  • Sturdy system with 2 Helix FIRST V or MVI stainless steel high-pressure multistage centrifugal pumps, in accordance with DIN 1988 and DIN 14462
  • Absolute operational reliability for 2-pump systems with 100 % redundancy
  • Easy adjustment and operational reliability due to the FLA control unit
  • Pre-set throttle valve on the discharge side of the pump to protect the pump at low volume flows
Series description
FLA

Design

Pressure-boosting system for firefighting systems with indirect connection in accordance with DIN 14462.

With 2 vertical stainless steel high-pressure multistage centrifugal pumps in glanded version

Application

Fully automatic water supply for firefighting systems with wall hydrants of the type "F" in domestic, commercial and public buildings, hotels, hospitals, shopping centres and also offices and industrial buildings

Equipment/function

  • 2 Helix FIRST V 16, 22, 36, 52 or MVI 70 series pumps, equipped with IE2 motors
  • Automatic pump control via FLA control unit
  • Components that come in contact with the fluid are corrosion-resistant
  • Base frame made of galvanised steel, with height-adjustable vibration absorbers for insulation against structure-borne noise
  • Pipework made of 1.4301 stainless steel
  • Gear-operated shut-off ball cock or annular shut-off valve on the suction and pressure side of every pump
  • Non-return valve, pressure side
  • Throttle valve of stainless steel 1.4571 on the suction side of every pump
  • Pressure switch, on the pressure side
  • Pressure gauge, on the pressure side
  • Diaphragm pressure vessel 8 l, PN 16, on the pressure side
  • Accessories: Atmospherically ventilated break tank in accordance with DIN 14462 with free exhaust in accordance with EN 13077, type AB in accordance with DIN EN 1717

Typekey

Example:

Wilo- FLA – 2 Helix V 2204 PN10

FLA

Fire extinguishing system

2

Number of pumps

Helix V

Pump series

22

Rated volume flow [m3/h]

04

Number of pump stages

PN10

Pressure control up to 10 bar (pump type-dependent)

Technical data

  • Mains connection 3~400 V, 50 Hz
  • Max. fluid temperature 50 °C
  • Operating pressure 10 or 16 bar
  • Inlet pressure from break tank < 1 bar
  • Nominal connection diameter on pressure side R 2" - DN 125
  • Nominal connection diameter on suction side Rp 2"- DN 125
  • Operating unit protection class IP 54

Materials

  • Impellers, diffusers, stage housing made of stainless steel 1.4307
  • Pump housing made of EN-GJL-250, cataphoretically coated
  • Shaft of stainless steel 1.4057
  • 1.4404 shaft protection sleeve
  • O-Ring gaskets made of EPDM (FKM gasket on request)
  • Pipework made of 1.4301 stainless steel

Construction

  • Base frame: made of electrolytically galvanised steel and provided with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
  • Pipework: complete pipework made of stainless steel 1.4301, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the FLA pressure boosting system
  • Pumps: Helix FIRST V 16, 22, 36, 52 and MVI 70 series pumps; all pump components in contact with fluid are made of stainless steel/EN-GJL-250, with cataphoretic coating. For more information about the pump, please refer to the catalogue section "High-pressure multistage centrifugal pumps"
  • Valves: For each pump, the non-return valve has a 1.4571 needle-type throttle for returning the bypass volume flow to the break tank. All throttle valves and shut-off devices are sealed and protected against unauthorised adjustment. The pumps are equipped with an automatic air vent valve on the top of the hydraulics.
  • Diaphragm pressure vessel: 8 l/PN 16 arranged on the discharge side. For testing and inspection purposes, equipped with a special throughflow fitting that enables the diaphragm pressure vessel to be shut-off and drained
  • Pressure switch: A pressure switch arranged on the discharge side, for activation of the central FLA controller
  • Pressure indication: Pressure gauge (ø 63 mm) on the discharge side; additional digital display of operating pressure and setting parameters in the FLA controller
  • Control device/controller: The system is equipped with a specific FLA controller as standard

Scope of delivery

  • Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
  • Packaging
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-Multivert MVI 16../32../52../70../95..

Article Number 2040502
Edition 1606
Page format A4
Number of pages 14
PDF (1 MB)

Wilo-Helix V, FIRST V, 2.0-VE 2-4-6-10-16

Article Number 4143727
Edition 02/2022
Page format 209.9 x 297.0 mm
Number of pages 24
PDF (6 MB)

Wilo-Helix V, FIRST V, 2.0-VE 22-36-52

Article Number 4120943
Edition 02/2022
Page format 209.9 x 297.0 mm
Number of pages 28
PDF (7 MB)

Wilo-MultiVert MVI 16../32../52../70../95..

Article Number 2040502
Edition 1606
Page format A4
Number of pages 17
PDF (961 KB)

Wilo-Control-FLA

Article Number 2534411
Edition 2017-11
Page format 209.9 x 297.0 mm
Number of pages 48
PDF (2 MB)

Wilo-FLA

Article Number 2534409
Edition 2021-09
Page format 209.9 x 297.0 mm
Number of pages 32
PDF (2 MB)

General overview

General Overview 2022 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 78
PDF (38 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)
Product list
Number of results: 46
Product descriptionSystem output without standby pump QMaximum operating pressure PNGross weight, approx. mArticle number
FLA-2 Helix V 1604 PN10
18 m³/h
10 bar
246 kg
2534358
FLA-2 Helix V 1605 PN10
18 m³/h
10 bar
272 kg
2534359
FLA-2 Helix V 1606 PN10
18 m³/h
10 bar
274 kg
2534360
FLA-2 Helix V 1607 PN10
18 m³/h
10 bar
360 kg
2534361
FLA-2 Helix V 1608 PN16
18 m³/h
16 bar
365 kg
2534362
FLA-2 Helix V 1609 PN16
18 m³/h
16 bar
417 kg
2534363
FLA-2 Helix V 1610 PN16
18 m³/h
16 bar
421 kg
2534364
FLA-2 Helix V 1611 PN16
18 m³/h
16 bar
424 kg
2534365
FLA-2 Helix V 1612 PN16
18 m³/h
16 bar
597 kg
2534366
FLA-2 Helix V 2204 PN10
24 m³/h
10 bar
601 kg
2534433
FLA-2 Helix V 2205 PN10
24 m³/h
10 bar
623 kg
2534434
FLA-2 Helix V 2206 PN16
24 m³/h
16 bar
627 kg
2534435
FLA-2 Helix V 2207 PN16
24 m³/h
16 bar
648 kg
2534436
FLA-2 Helix V 2208 PN16
24 m³/h
16 bar
728 kg
2534437
FLA-2 Helix V 3602 PN10
36 m³/h
10 bar
437 kg
2534381
FLA-2 Helix V 3602/1 PN10
36 m³/h
10 bar
437 kg
2534380
FLA-2 Helix V 3603 PN10
36 m³/h
10 bar
450 kg
2534384
FLA-2 Helix V 3603/1 PN10
36 m³/h
10 bar
440 kg
2534383
FLA-2 Helix V 3603/2 PN10
36 m³/h
10 bar
440 kg
2534382
FLA-2 Helix V 3604 PN16
36 m³/h
16 bar
475 kg
2534386
FLA-2 Helix V 3604/2 PN10
36 m³/h
10 bar
475 kg
2534385
FLA-2 Helix V 3605 PN16
36 m³/h
16 bar
635 kg
2534388
FLA-2 Helix V 3605/2 PN16
36 m³/h
16 bar
635 kg
2534387
FLA-2 Helix V 3606 PN16
36 m³/h
16 bar
670 kg
2534390
FLA-2 Helix V 3606/2 PN16
36 m³/h
16 bar
657 kg
2534389
FLA-2 Helix V 5202 PN10
48 m³/h
10 bar
503 kg
2534401
FLA-2 Helix V 5203 PN10
48 m³/h
10 bar
545 kg
2534403
FLA-2 Helix V 5203/2 PN10
48 m³/h
10 bar
545 kg
2534402
FLA-2 Helix V 5204 PN16
48 m³/h
16 bar
696 kg
2534405
FLA-2 Helix V 5204/2 PN10
48 m³/h
10 bar
696 kg
2534404
FLA-2 Helix V 5205 PN16
48 m³/h
16 bar
719 kg
2534407
FLA-2 Helix V 5205/2 PN16
48 m³/h
16 bar
719 kg
2534406
FLA-2 Helix V 5206/2 PN16
48 m³/h
16 bar
735 kg
2534408
FLA-2 MVI 7002 PN10
48 m³/h
10 bar
842 kg
2536591
FLA-2 MVI 7002/1 PN10
48 m³/h
10 bar
841 kg
2536590
FLA-2 MVI 7003 PN10
48 m³/h
10 bar
989 kg
2536594
FLA-2 MVI 7003/1 PN10
48 m³/h
10 bar
923 kg
2536593
FLA-2 MVI 7003/2 PN10
48 m³/h
10 bar
923 kg
2536592
FLA-2 MVI 7004 PN16
48 m³/h
16 bar
836 kg
2536597
FLA-2 MVI 7004/1 PN16
48 m³/h
16 bar
1072 kg
2536596
FLA-2 MVI 7004/2 PN10
48 m³/h
10 bar
997 kg
2536595
FLA-2 MVI 7005 PN16
48 m³/h
16 bar
1323 kg
2536600
FLA-2 MVI 7005/1 PN16
48 m³/h
16 bar
1323 kg
2536599
FLA-2 MVI 7005/2 PN16
48 m³/h
16 bar
1323 kg
2536598
FLA-2 MVI 7006/1 PN16
48 m³/h
16 bar
1448 kg
2536602
FLA-2 MVI 7006/2 PN16
48 m³/h
16 bar
1397 kg
2536601