Wilo-Helix VE
Your 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
Construction
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 202/2-1/16/E/KS/1-230 |
Helix VE | Vertical high-pressure multistage centrifugal pump in in-line design (electronically controlled) |
2 | 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 |
1-230 | Only with 1~ (alternating current ) |
Technical data
- Electrical connection:
- 3~ 50 Hz : 400V +/-10%
- 3~ 60 Hz : 380V +/-10%
- 3~ 60 Hz : 480V +/-10%
- 1~ 50 Hz : 230V +/-10%
- 1~ 60 Hz : 220V +/-6%
- 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:
- 50°C for 3~
- 40 °C for 1~
- 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)
| Product description | Rated power P2 | Pump connection | Cartridge | Gross weight, approx. m | Article number |
|---|---|---|---|---|---|