PDF: Wilo-Helix EXCEL

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DIN A4

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Special features/product 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)

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

Technical data

  • Minimum Efficiency Index (MEI) ≥ 0.7
  • 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


Type key

Example:Helix EXCEL 22 02/2 - 1 / 16 / E / KS
Helix EXCELVertical high-pressure multistage centrifugal pump in in-line design (electronically controlled)
22Flow rate in m3/h
02Number of impellers
2Number of trimmed impellers
1Pump 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]
16Maximum operating pressure in bar
 16 = 16 bar (PN 16 flange)
 25 = 25 bar (PN 25 flange)
EGasket type
E = EPDM
V = FKM
KCartridge mechanical seal
SThe coupling guard is on a line with suction and discharge ports of the pump


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