Wilo-Helix V

Series description

Special features/product advantages

  • Efficiency-optimised, laser-welded 2D/3D hydraulics, flow and degassing optimised
  • Corrosion-resistant impellers, guide vanes and stage housings
  • Flow and NPSH-optimised pump housing
  • Maintenance-friendly design with particularly robust coupling guard
  • Drinking water approval for pumps with parts that come in contact with the fluid made of stainless steel (EPDM version)

Design type

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

Application

  • Water supply 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

Scope of delivery

  • Helix V high-pressure multistage centrifugal pump
  • Installation and operating instructions
  • Helix V 2 – 16 (version PN16 with oval flanges): counter flanges made of stainless steel with the corresponding screws, nuts and gaskets

Type key

Example:

Helix V 2202/2-1/16/E/X/KS/../400-50

Helix V

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

22

Flow rate in m3/h

02

Number of impellers

2

Number of trimmed impellers (optionally)

1

Pump material

1 = Pump housing 1.4301 (AISI 304) Hydraulics 1.4307 (AISI 304L)

2 = Pump housing 1.4409 (AISI 316L) Hydraulics 1.4404 (AISI 316L)

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

4 = Monobloc pump housing EN-GJL-250 (cataphoretic-coated) Hydraulics 1.4307 (AISI 304L) [Only Helix VE 22.. and larger]

16

Maximum operating pressure in bar

16 = 16 bar (PN 16 flange)

25 = 25 bar (PN 25 flange)

30 = 30 bar (PN 40 flange)

E

Gasket type E = EPDM V = FKM

X

"X-Care" special version

K

Cartridge type mechanical seal

S

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

..

Optional

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:
    • Helix V 2 – 16 (EPDM): -30 to 120 °C (130 °C on request)
    • Helix V 2 – 16 for aggressive media (FKM): -15 to 90 °C
    • Helix V22 – 52 (EPDM): -20 to 120 °C (130 °C on request)
    • Helix V22 – 52 for aggressive media (FKM): -15 to 90 °C
  • Max. operating pressure: 16/25/30 bar
  • Protection class: IP 55
  • Max. ambient temperature: +40°C (extended temperature ranges on request)
  • Available versions:
    • Helix V 2 – 16: PN 16 with oval flanges, PN 25/PN 40 with round flanges according to ISO 2531 and ISO 7005 (Victaulic coupling on request)
    • Helix V 22 – 52: PN 16/PN 25/PN 40 with round flanges according to ISO 2531 and ISO 7005

Materials

Helix V 2, 4, 6, 10, 16:

Standard version

  • Impellers, stage housings and guide vanes made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4301 (AISI 304)
  • Baseplate and lantern in EN-GJL-250 (cataphoretic coated)
  • Shaft made of stainless steel 1.4301 (AISI 304) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (AISI 316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)

For aggressive media

  • Impellers, stage housings and guide vane apparatuses of stainless steel 1.4404 (AISI 316L)
  • Pump housing made of stainless steel 1.4404 (AISI 316L)
  • Shaft made of stainless steel 1.4404 (AISI 316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (AISI 316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (AISI 316L)

Helix V 22, 36, 52:

Standard version

  • Stage housings, impellers, guide vane apparatuses made of stainless steel 1.4307 (AISI 304L)
  • Pump housing made of stainless steel 1.4308 (AISI 304) or cataphoretic-coated grey cast iron EN-GJL 250, loose flanges made of cataphoretic-coated grey cast iron EN-GJL 250 for Helix V 22 / EN-GJS 400 for Helix V 36-52.
  • Shaft made of stainless steel 1.4057 (AISI 431)
  • Sleeve under the mechanical seal 1.4404 (AISI 316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI 304)

For aggressive media

  • Stage housings, impellers, and guide vane apparatuses made of stainless steel 1.4404 (AISI 316L)
  • Pump housing: all parts which come in contact with the media are made of cast stainless steel 1.4409 (AISI 316L); loose flanges of cataphoretic-coated grey cast iron EN-GJL 250 for Helix V 22 / EN-GJS 400 for Helix V 36-52.
  • Baseplate made of stainless steel 1.4301 (AISI 304)
  • Shaft made of stainless steel 1.4404 (AISI 316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (AISI 316L)
  • O-ring of FKM (EPDM gasket on request)
  • Pressure shroud made of stainless steel 1.4404 (AISI 316L)

Description/construction

  • Pumps can be adapted to specific circumstances on request (e.g. motor protection, ATEX, extended ambient temperature range).
  • The Helix series is also available with an integrated frequency converter.

Duty chart

Helix V

Pump curves in accordance with ISO 9906: 2012 3B

Helix V

Pump curves in accordance with ISO 9906: 2012 3B

Downloads

REACH Regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (19 MB)

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General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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

Article Number 4120943
Edition 2018-01
Version number 10
Page format 209.9 x 297.0 mm
Number of pages 212

PDF (9 MB)

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

Article Number 4143727
Edition 2018-01
Version number 09
Page format 209.9 x 297.0 mm
Number of pages 208

PDF (9 MB)

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Wilo-Helix VX Care

Article Number 4157926
Edition 1502
Version number 04
Page format A4
Number of pages 18

PDF (2 MB)

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Wilo-Helix VX Care

Article Number 4157926
Edition 1502
Version number 04
Page format A4
Number of pages 60

PDF (5 MB)

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

Article Number 4120943
Edition 1603
Version number 09
Page format A4
Number of pages 15

PDF (4 MB)

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

Article Number 4143727
Edition 1607
Version number 08
Page format A4
Number of pages 17

PDF (5 MB)

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