Search
Contact
E-mail
Catalogue creation
My favorites
Product comparison
Wilo-Helix EXCEL | Wilo
Your advantages
Wilo-Helix EXCEL

Your advantages

  • Highly efficient EC motor of energy efficiency class IE5 in accordance with IEC 60034-30-2
  • Integrated electronic control “High-Efficiency Drive”
  • Simple operation thanks to tried-and-tested Green Button Technology and a clearly arranged display
  • User-friendly "X-Seal" cartridge mechanical seal and spacer coupling (from 5.5 kW) for fast and easy maintenance
  • Flexible integration into building automation
  • Drinking water approval for pumps with parts that come in contact with the fluid made of stainless steel (EPDM version)

Series description
Helix EXCEL 208-5202

Design

Non-self-priming, highly efficient fully stainless-steel high-pressure multistage centrifugal pump with EC motor of energy efficiency class IE5 in accordance with IEC 60034-30-2, in vertical design with integrated high-efficiency drive and in-line connections

Application

  • Water supply and pressure boosting
  • Industrial circulation systems
  • Process water
  • Closed cooling circuits
  • Washing systems
  • Irrigation

Equipment/function

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

Typekey

Example:

Helix EXCEL 22 02/2 - 1 / 16 / E / KS

Helix EXCEL

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

1

Pump material

1 = Pump housing 1.4301 (AISI 304)Hydraulics 1.4307 (AISI 304L);Baseplate EN-GJL 250, cataphoretic coated;[only Helix EXCEL 16.. and smaller]

2 = Pump housing 1.4404 (AISI 316L)Hydraulics 1.4404 (AISI 316L)Baseplate EN-GJL 250, cataphoretic coated

3 = Pump housing EN-GJL-250 (cataphoretic-coated) Hydraulics 1.4307 (AISI 304L);[only Helix 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

Technical data

  • Electrical connection:
    • 3~ 50 Hz : 400V +/-10%
    • 3~ 60 Hz : 380V +/-10%
    • 3~ 60 Hz : 480V +/-10%
  • Fluid temperature range:
    • Helix EXCEL 2 – 16 (EPDM): -30 to 120 °C
    • Helix EXCEL 2 – 16 for aggressive media (FKM): -15 to 90 °C
    • Helix EXCEL22 – 36 (EPDM): -20 to 120 °C
    • Helix EXCEL22 – 36 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: -15 to +50°C (extended temperature ranges on request)
  • Available versions:
    • Helix EXCEL 2 – 16: PN 16 with oval flanges, PN 25 with round flanges according to ISO 2531 and ISO 7005
    • Helix EXCEL 22 – 36: PN 16 and PN 25 with round flanges according to ISO 2531 and ISO 7005

Materials

Helix EXCEL 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 made of stainless steel 1.4404 (AISI316L)
  • Pump housing of stainless steel 1.4404 (AISI316L)
  • Shaft made of stainless steel 1.4404 (AISI316L) or 1.4462 (AISI318LN) (depending on version)
  • Sleeve under the mechanical shaft seal 1.4404 (AISI316L)
  • O-ring of EPDM (FKM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (AISI304)

Helix EXCEL 22, 36, 52:

Standard version

  • Stage housings, impellers, guide vane 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 cataphoretic-coated grey cast iron EN-GJL 250 for Helix V 22/ EN-GJS 400 for Helix EXCEL 36-52.
  • Shaft made of stainless steel 1.4057 (AISI 431)
  • Sleeve under the mechanical seal 1.4404 (AISI316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4301 (AISI316L)

For aggressive media

  • Stage housings, impellers, guide vane made of stainless steel 1.4404 (AISI316L)
  • Pump housing made of stainless steel 1.4409 (AISI316L); loose flanges of cataphoretic-coated grey cast iron EN-GJL 250 for Helix EXCEL 22 / EN-GJS 400 for Helix EXCEL 36-52
  • Baseplate of stainless steel 1.4301 (AISI 304)
  • Shaft made of stainless steel 1.4404 (AISI316L) or 1.4462 (AISI 318LN) (depending on version)
  • Sleeve under the mechanical shaft seal 1.4404 (AISI 316L)
  • O-ring of FKM (EPDM gasket on request)
  • Jacket pipe made of stainless steel 1.4404 (AISI 316L)

Scope of delivery

  • Helix EXCEL high-pressure multistage centrifugal pump
  • Installation and operating instructions
  • Helix EXCEL 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 EXCEL 2-4-6-10-16

Article Number 4152001
Edition 2020-02
Number of pages 228
PDF (18 MB)

Wilo-Helix EXCEL 22-36-52

Article Number 4152003
Edition 2020-02
Number of pages 228
PDF (17 MB)

General overview

General Overview 2024 - International version

Edition 2022
Number of pages 74
PDF (33 MB)