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

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)