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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 3606/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
15 kW
204 kg
4200591
Helix FIRST V 3607-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
22 kW
254 kg
4200594
Helix FIRST V 3607/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
18.5 kW
237 kg
4200593
Helix FIRST V 3608-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
22 kW
257 kg
4200596
Helix FIRST V 3608/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
22 kW
257 kg
4200595
Helix FIRST V 3609-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
30 kW
313 kg
4200598
Helix FIRST V 3609/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
30 kW
313 kg
4200597
Helix FIRST V 3610-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
30 kW
316 kg
4200637
Helix FIRST V 3610/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
30 kW
316 kg
4200599
Helix FIRST V 3611-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
37 kW
335 kg
4200639
Helix FIRST V 3611/2-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 65
30 kW
319 kg
4200638
Helix FIRST V 5201-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
4 kW
91 kg
4183423
Helix FIRST V 5201/1-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
3 kW
90 kg
4183422
Helix FIRST V 5202-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
7.5 kW
115 kg
4183425
Helix FIRST V 5202/2-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
5.5 kW
107 kg
4183424
Helix FIRST V 5203-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
11 kW
147 kg
4183427
Helix FIRST V 5203/2-5/16/E/S/
IE3
Grey cast iron
Stainless steel
DN 80
11 kW
147 kg
4183426
Helix FIRST V 5204-5/16/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
15 kW
210 kg
4215247
Helix FIRST V 5204-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
15 kW
210 kg
4200613
Helix FIRST V 5204/2-5/16/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
15 kW
210 kg
4215246
Helix FIRST V 5204/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
15 kW
210 kg
4200612
Helix FIRST V 5205-5/16/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
18.5 kW
244 kg
4215249
Helix FIRST V 5205-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
18.5 kW
244 kg
4200615
Helix FIRST V 5205/2-5/16/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
18.5 kW
244 kg
4215248
Helix FIRST V 5205/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
18.5 kW
244 kg
4200614
Helix FIRST V 5206-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
22 kW
265 kg
4200617
Helix FIRST V 5206/2-5/16/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
22 kW
265 kg
4215250
Helix FIRST V 5206/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
22 kW
265 kg
4200616
Helix FIRST V 5207-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
30 kW
322 kg
4200619
Helix FIRST V 5207/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
30 kW
322 kg
4200618
Helix FIRST V 5208-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
30 kW
325 kg
4200621
Helix FIRST V 5208/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
30 kW
325 kg
4200620
Helix FIRST V 5209-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
37 kW
344 kg
4200640
Helix FIRST V 5209/2-5/25/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
37 kW
344 kg
4200622
Helix FIRST V 5210-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
37 kW
348 kg
4200642
Helix FIRST V 5210/2-5/30/E/KS/
IE3
Grey cast iron
Stainless steel
DN 80
37 kW
348 kg
4200641