Wilo-Helix VE

Series description

Special features/product advantages

  • Multistage, speed-configurable stainless steel high-efficiency pump with 2D/3D hydraulics and standard motor
  • Optimised design for easy operation, transportation and installation with handles, lantern adjustment and rotatable free flanges
  • User-friendly display with Green Button Technology and full text menu
  • IF plug-in module for quick communication with the BMS
  • Quick maintenance due to innovative cartridge mechanical seal and spacers
  • Lower life cycle costs due to new Helix design

Design type

Electronically controlled, non-self-priming high-pressure multistage 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

  • Impellers, guide vanes and stage housings made of corrosion-resistant material

Scope of delivery

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

Type key

Example:

Helix VE 2202/2-1/16/E/KS

Helix VE

Vertical high-pressure multistage centrifugal pump in in-line design (electronically controlled)

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 = Monoblock 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)

E

Gasket type E = EPDM V = FKM

K

Cartridge mechanical seal

S

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

M13

Only with 1~ (alternating current ) Preset operating mode on delivery M13 = mode 1 or 3 (manual or remote control) M2 = mode 2 (pressure regulation mode)

Technical data

  • Electrical connection:
    • 3~ 50 Hz : 400V +/-10%
    • 3~ 60 Hz : 380V +/-10%
    • 3~ 60 Hz : 480V +/-10%
  • Fluid temperature range:
    • Helix VE 2 – 16 (EPDM): -30 to 120 °C (130 °C on request)
    • Helix VE 2 – 16 for aggressive media (FKM): -15 to 90 °C
    • Helix VE22 – 52 (EPDM): -20 to 120 °C (130 °C on request)
    • Helix VE22 – 52 for aggressive media (FKM): -15 to 90 °C (-30 to 120 °C with EPDM gasket on request)
  • Max. operating pressure: 16/25 bar
  • Protection class: IP 55
  • Max. ambient temperature: +40°C (extended temperature ranges on request)
  • Available versions:
    • Helix VE 2 – 16: PN 16 with oval flanges, PN 25 with round flanges according to ISO 2531 and ISO 7005 (Victaulic coupling on request)
    • Helix VE 22 – 52: PN 16 and PN 25 with round flanges according to ISO 2531 and ISO 7005

Materials

Helix VE 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 (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 made of stainless steel 1.4404 (316L)
  • Pump housing made of stainless steel 1.4404 (316L)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (316L)

Helix VE 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 1.4301 (AISI 304) or cataphoretic-coated grey cast iron EN-GJL 250, loose flanges made of EN-GJS 400 for Helix VE 36-52.
  • Shaft made of stainless steel 1.4057 (AISI 431)
  • Sleeve under the mechanical seal 1.4404 (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 (316L)
  • Pump housing: all parts which come in contact with the media are made of cast stainless steel 1.4409 (316L); loose flanges of cataphoretic-coated grey cast iron EN-GJL 250 for Helix VE 22 / EN-GJS 400 for Helix VE 36-52.
  • Baseplate made of stainless steel 1.4301 (AISI 304)
  • Shaft made of stainless steel 1.4404 (316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical seal 1.4404 (316L)
  • O-ring of FKM (EPDM gasket on request)
  • Pressure shroud made of stainless steel 1.4404 (316L)

Downloads

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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