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Wilo-Helix FIRST V | Wilo
Your advantages
Wilo-Helix FIRST V

Your advantages

  • Efficiency-optimised, laser-welded, optimised 2D/3D hydraulics
  • Corrosion-resistant impellers, guide vanes and stage housings
  • Flow and degassing-optimised hydraulic parts
  • Reinforced pump housing, flow and NPSH optimised
  • Space-saving and easy maintenance thanks to compact design
  • Particularly sturdy coupling guard
Series description
Helix FIRST V

Design

Non-self-priming, high-efficiency multistage high-pressure centrifugal pump in vertical design with in-line connections

Application

  • Water distribution and pressure boosting
  • Industrial circulation systems
  • Process water
  • Closed cooling circuits
  • Fire extinguishing systems
  • Washing systems
  • Irrigation

Equipment/function

  • Corrosion-resistant impellers, guide vanes and stage housings

Typekey

Example:

Helix FIRST V 3606/2-5/25/E/KS/../400-50

Helix FIRST V

Vertical high-pressure multistage centrifugal pump in in-line design

36

Flow rate in m3/h

06

Number of impellers

2

Number of trimmed impellers

5

Pump material

5 = Pump housing EN-GJL-250 cataphoretic-coatedHydraulics 1.4307 (AISI 304L)

25

Maximum operating pressure in bar

16 =Helix FIRST V 2.. to 16..: 16 bar: Oval flange PN 16Helix FIRST V 22.. to 52..: 16 bar: DIN round flange PN 16

25 = Helix FIRST V 2.. to 16.. -5/25/E/S/..: 16 bar:DIN round flange PN 25Helix FIRST V 2.. to 16.. -5/25/E/KS/..: 25 bar:DIN round flange PN 25Helix FIRST V 22.. to 52..: 25 bar:DIN round flange PN 25

30 = Helix FIRST V 2.. to 52..: 30 bar:DIN round flange PN 40

E

Seal typeE = EPDM

K

Cartridge type mechanical seal

S

The coupling guard is on a line with suction and discharge ports of the pump.

400

Connection voltage in V

50

Frequency in Hz

Technical data

  • Electrical connection: 3~400 V (±10 %), 50 Hz
    • ≤ 4 kW 230 V/ 400 V; Δ/Y
    • > 4 kW 400 V/ 690 V; Δ/Y
  • Fluid temperature range: -20 to 120 °C
  • Max. operating pressure: 16, 25 or 30 bar
  • Protection class: IP 55
  • Max. ambient temperature: -15 °C – +40 °C
  • Helix FIRST V 2 – 16: PN 16 with oval flanges, PN 25/PN 40 with round flanges according to ISO 2531 and ISO 7005
  • Helix FIRSTV 22 – 52: PN 16/PN 25/PN 40 with round flanges according to ISO 2531 and ISO 7005

Materials

  • Impellers, stage housings and guide vanes of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of EN-GJL-250, cataphoretically coated
  • Shaft made of stainless steel 1.4057 (AISI 304L)
  • Sleeve under the mechanical seal 1.4404 (AISI 316L)
  • O-Ring made of EPDM
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)

Construction

  • Pumps can be adapted to specific circumstances on request (e.g. motor protection, ATEX, extended ambient temperature range).

Scope of delivery

  • Helix FIRST V high-pressure multistage centrifugal pump
  • Installation and operating instructions
  • Helix FIRST 2 – 16 (version PN16 with oval flanges): Cast iron counter flanges with the corresponding screws, nuts and gaskets
Documents

Installation and operating instructions

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-Helix V(F) 2-4-6-10-16, Helix FIRST V(F) 2-4-6-10-16

Article Number 4143727
Edition 2018-01
Page format 209.9 x 297.0 mm
Number of pages 208
PDF (8 MB)

Wilo-Helix V(F) 22-36-52, Helix FIRST V(F) 22-36-52

Article Number 4120943
Edition 2018-01
Page format 209.9 x 297.0 mm
Number of pages 212
PDF (8 MB)

Wilo-Helix V 2-4-6-10-16

Article Number 4143727
Edition 2020-05
Page format 209.9 x 297.0 mm
Number of pages 220
PDF (9 MB)

Wilo-Helix V ATEX

Article Number 4213806
Edition 2020-10
Page format 209.9 x 297.0 mm
Number of pages 44
PDF (4 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: 236
Product descriptionMotor efficiency classPump housingImpellerDischarge portRated power P2Gross weight, approx. mArticle number
Helix FIRST V 408-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
1.1 kW
41.1 kg
4201091
Helix FIRST V 408-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
1.1 kW
42.6 kg
4201093
Helix FIRST V 409-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
1.1 kW
42.1 kg
4201094
Helix FIRST V 409-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
1.1 kW
43 kg
4201096
Helix FIRST V 410-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
1.5 kW
48.6 kg
4201097
Helix FIRST V 410-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
1.5 kW
49 kg
4201099
Helix FIRST V 411-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
1.5 kW
49.7 kg
4201100
Helix FIRST V 411-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
1.5 kW
49.5 kg
4201102
Helix FIRST V 412-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
1.5 kW
51 kg
4201103
Helix FIRST V 412-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
1.5 kW
50 kg
4201105
Helix FIRST V 413-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
2.2 kW
53 kg
4201106
Helix FIRST V 413-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
2.2 kW
52 kg
4201108
Helix FIRST V 414-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
2.2 kW
54 kg
4201109
Helix FIRST V 414-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
2.2 kW
52 kg
4201111
Helix FIRST V 416-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1
2.2 kW
56 kg
4201112
Helix FIRST V 416-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 25
2.2 kW
53 kg
4201114
Helix FIRST V 418-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
2.2 kW
71 kg
4201115
Helix FIRST V 420-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
3 kW
79 kg
4201117
Helix FIRST V 422-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
3 kW
81 kg
4201118
Helix FIRST V 424-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
3 kW
81 kg
4201119
Helix FIRST V 426-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
4 kW
84 kg
4201120
Helix FIRST V 429-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
4 kW
85 kg
4201121
Helix FIRST V 431-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 25
4 kW
114 kg
4201122
Helix FIRST V 601-5/16/E/S/
IE2
Grey cast iron
Stainless steel
G 1¼
0.37 kW
22.3 kg
4201123
Helix FIRST V 601-5/25/E/S/
IE2
Grey cast iron
Stainless steel
DN 32
0.37 kW
29.6 kg
4201124
Helix FIRST V 602-5/16/E/S/
IE2
Grey cast iron
Stainless steel
G 1¼
0.55 kW
23.5 kg
4201125
Helix FIRST V 602-5/25/E/S/
IE2
Grey cast iron
Stainless steel
DN 32
0.55 kW
30.8 kg
4201127
Helix FIRST V 603-5/16/E/S/
IE2
Grey cast iron
Stainless steel
G 1¼
0.55 kW
24.2 kg
4201128
Helix FIRST V 603-5/25/E/S/
IE2
Grey cast iron
Stainless steel
DN 32
0.55 kW
31.5 kg
4201130
Helix FIRST V 604-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
0.75 kW
30.7 kg
4201131
Helix FIRST V 604-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
0.75 kW
42.5 kg
4201132
Helix FIRST V 605-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
1.1 kW
36.8 kg
4201134
Helix FIRST V 605-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
1.1 kW
44.1 kg
4201136
Helix FIRST V 606-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
1.1 kW
37.6 kg
4201137
Helix FIRST V 606-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
1.1 kW
44.8 kg
4201139
Helix FIRST V 607-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
1.5 kW
43.8 kg
4201140
Helix FIRST V 607-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
1.5 kW
51 kg
4201142
Helix FIRST V 608-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
1.5 kW
44.6 kg
4201143
Helix FIRST V 608-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
1.5 kW
52 kg
4201145
Helix FIRST V 609-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
2.2 kW
46.4 kg
4201146
Helix FIRST V 609-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
2.2 kW
54 kg
4201148
Helix FIRST V 610-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
2.2 kW
47.2 kg
4201149
Helix FIRST V 610-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
2.2 kW
54 kg
4201151
Helix FIRST V 611-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
2.2 kW
48.5 kg
4201152
Helix FIRST V 611-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
2.2 kW
56 kg
4201154
Helix FIRST V 612-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
3 kW
67 kg
4201155
Helix FIRST V 612-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
3 kW
74 kg
4201157
Helix FIRST V 613-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
3 kW
71 kg
4201158
Helix FIRST V 613-5/25/E/S/
IE3
Grey cast iron
Stainless steel
DN 32
3 kW
78 kg
4201159
Helix FIRST V 614-5/16/E/S/
IE3
Grey cast iron
Stainless steel
G 1¼
3 kW
71 kg
4201160