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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 fire-fighting 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 fire-fighting 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 2023-03
Page format 209.9 x 297.0 mm
Number of pages 24
PDF (5 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 2023 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (24 MB)

Product selection
Number of results: 42
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 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 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 3603/1 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 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