Wilo-Helix V
Wilo-Helix V
Your 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)
Recommended services
Helix V
Design
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-fighting systems
- Washing systems
- Irrigation
Equipment/function
- Corrosion-resistant impellers, guide vanes and stage housings
Typekey
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 combination |
1 = Pump housing 1.4301 (AISI 304)Hydraulics 1.4307 (AISI 304L) | |
2 = Pump housing 1.4409 (AISI 316L)Hydraulics 1.4404 (AISI 316L) | |
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 = EPDMV = FKM |
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): -30 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: +50°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 or Triclamp connection 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:
Pump material combination 1
- 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)
Pump material combination 2
- 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:
Pump material combination 1
- 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)
Pump material combination 2
- 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)
Construction
- The pumps can be adapted to different applications with special mechanical seals (for mixed water & glycol, pure water, aggressive liquids, ...).
- The Helix series is also available in silicone-free or ATEX versions.
- The motors can also be customised, e.g. with an overpowered motor, IE4 efficiency, PTC, reinforced external corrosion protection, canopy, anti-condensation heating, specific RAL colour, ...
Scope of delivery
- Helix V high-pressure multistage centrifugal pump
- Installation and operating instructions
- Helix V 2 – 16 (version PN16 with oval flanges): Stainless steel counter flanges with the corresponding screws, nuts and gaskets
Installation and operating instructions
Wilo-Helix V, .. FIRST V, ..2.0-VE 2-4-6-10-16
| Article Number | 4143727 |
| Edition | 2023-03 |
| Number of pages | 24 |
PDF (5 MB)Wilo-Helix V, FIRST V, 2.0-VE 22-36-52
| Article Number | 4120943 |
| Edition | 02/2022 |
| Number of pages | 28 |
PDF (7 MB)Wilo-Helix VX Care
| Article Number | 4157926 |
| Edition | 1502 |
| Number of pages | 60 |
PDF (5 MB)Wilo-Helix VX Care
| Article Number | 4157926 |
| Edition | 1502 |
| Number of pages | 18 |
PDF (2 MB)Wilo-Helix V ATEX
| Article Number | 4213806 |
| Edition | 2020-10 |
| Number of pages | 44 |
PDF (4 MB)Standard Conformity
Standard Conformity 2223446-02
| Number of pages | 1 |
PDF (331 KB)