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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(F) 3606/2-5/25/E/KS/../400-50/-38FF265

Helix FIRST V(F)

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

(F) = VdS-certified pump design

36

Flow rate in m3/h

06

Number of impellers

2

Number of trimmed impellers

5

Pump materials

5 = Pump housing EN-GJL-250 (cataphoretic coating) 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

Gasket type E = EPDM

K

Mechanical seal cartridge type

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

-38FF265

Diameter motor shaft – lantern size (pump version without motor)

..

Optional

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
  • Max. inlet pressure of 10 bar
  • Protection class: IP 55
  • Max. ambient temperature: -15 °C – +50 °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, cataphoretic-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, IE4 motor efficiency class, VdS certified Wilo-Helix pumps, ATEX, extended ambient temperature range).

Delivery state

  • 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
Downloads

Installation and operating instructions

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

Article Number 4143727
Edition 1607
Page format A4
Number of pages 17
PDF (4 MB)

Wilo-Helix V/ FIRST V 22-36-52

Article Number 4120943
Edition 1603
Page format A4
Number of pages 15
PDF (4 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 (Documents)

General overview 2019 International version

Article Number 2200591
Edition 2018
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (40 MB)

General overview 2021 International version

Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2021-10
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (162 KB)
Product list
Number of results: 236
Product descriptionMains connectionPump housingImpellerPressure portRated power P2Gross weight, approx. mArticle number
Helix FIRST V 202-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.37 kW
21.7 kg
4201016
Helix FIRST V 203-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.37 kW
22.2 kg
4201019
Helix FIRST V 204-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.37 kW
22.7 kg
4201022
Helix FIRST V 205-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.55 kW
24.2 kg
4201025
Helix FIRST V 206-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.55 kW
24.7 kg
4201028
Helix FIRST V 207-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.55 kW
29.7 kg
4201031
Helix FIRST V 208-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.75 kW
35.9 kg
4201034
Helix FIRST V 209-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.75 kW
36.4 kg
4201037
Helix FIRST V 210-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.75 kW
36.9 kg
4201040
Helix FIRST V 211-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
38.2 kg
4201043
Helix FIRST V 212-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
38.6 kg
4201046
Helix FIRST V 213-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
39.5 kg
4201049
Helix FIRST V 214-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
39.6 kg
4201052
Helix FIRST V 216-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.5 kW
46.1 kg
4201055
Helix FIRST V 202-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.37 kW
27.6 kg
4201018
Helix FIRST V 203-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.37 kW
28 kg
4201021
Helix FIRST V 204-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.37 kW
28.5 kg
4201024
Helix FIRST V 205-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.55 kW
30 kg
4201027
Helix FIRST V 206-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.55 kW
30.5 kg
4201030
Helix FIRST V 207-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.55 kW
35.5 kg
4201033
Helix FIRST V 208-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.75 kW
41.8 kg
4201036
Helix FIRST V 209-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.75 kW
42.2 kg
4201039
Helix FIRST V 210-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
0.75 kW
42.7 kg
4201042
Helix FIRST V 211-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.1 kW
44 kg
4201045
Helix FIRST V 212-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.1 kW
44.5 kg
4201048
Helix FIRST V 213-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.1 kW
45.4 kg
4201051
Helix FIRST V 214-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.1 kW
45.5 kg
4201054
Helix FIRST V 216-5/25/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.5 kW
52 kg
4201057
Helix FIRST V 218-5/25/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
1.5 kW
70 kg
4201058
Helix FIRST V 220-5/25/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
2.2 kW
72 kg
4201060
Helix FIRST V 222-5/25/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
2.2 kW
74 kg
4201062
Helix FIRST V 224-5/25/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
2.2 kW
74 kg
4201064
Helix FIRST V 226-5/25/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
2.2 kW
75 kg
4201066
Helix FIRST V 229-5/30/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
2.2 kW
77 kg
4201068
Helix FIRST V 231-5/30/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
3 kW
85 kg
4201069
Helix FIRST V 233-5/30/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
3 kW
114 kg
4201070
Helix FIRST V 236-5/30/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
3 kW
115 kg
4201071
Helix FIRST V 239-5/30/E/KS/
3~400 V, 50 Hz
Cast iron
Stainless steel
DN 25
3 kW
117 kg
4201072
Helix FIRST V 402-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.37 kW
22.8 kg
4201073
Helix FIRST V 403-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.37 kW
23.8 kg
4201076
Helix FIRST V 404-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.55 kW
25.9 kg
4201079
Helix FIRST V 405-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.75 kW
32.7 kg
4201082
Helix FIRST V 406-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
0.75 kW
33.7 kg
4201085
Helix FIRST V 407-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
40.1 kg
4201088
Helix FIRST V 408-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
41.1 kg
4201091
Helix FIRST V 409-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.1 kW
42.1 kg
4201094
Helix FIRST V 410-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.5 kW
48.6 kg
4201097
Helix FIRST V 411-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.5 kW
49.7 kg
4201100
Helix FIRST V 412-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
1.5 kW
51 kg
4201103
Helix FIRST V 413-5/16/E/S/
3~400 V, 50 Hz
Cast iron
Stainless steel
G 1
2.2 kW
53 kg
4201106