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Wilo-Comfort COR-1 Helix VE
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Water-supply unit with a non-self-priming high-pressure multistage centrifugal pump and integrated speed control
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zoom »Special features/Product advantages
- Heavy-duty system due to MVIE and Helix VE series stainless steel high-pressure multistage centrifugal pumps with air-cooled integrated frequency converter
- Wide hydraulic range through the use of all pumps in the MVIE and Helix VE series
- Frequency converter with superproportionally large control range
- Integrated full motor protection via PTC
- Integrated dry-running detection with automatic deactivation in the event of low water through the use of the performance characteristics of the motor control electronics
Wilo-Comfort COR-1 Helix VE
Technical data
- Mains connection 3~400 V, 50/60 Hz or also 1~230V, 50/60 Hz, depending on type
- Fluid temperature max. 60 °C
- Operating pressure 16 bar
- Inlet pressure 10 bar
- Nominal connection diameters on suction side Rp 1¼ - Rp 2
- Nominal connection diameters on pressure side Rp 1¼ - Rp 1½
- Protection class: IP 54
Equipment
- 1 MVIE series pump with IEC standard motor and infinitely variable control mode via integrated frequency converter
- All components in contact with fluid are corrosion resistant
- Pipework made of 1.4571 stainless steel
- Shut-off valve, pressure side
- Non-return valve, pressure side
- Diaphragm pressure vessel 8 l, PN16
- Including VR controller for motor power from 11 to 22 kW
Description/Design
- Base frame: 1.4301 stainless steel or galvanized steel (MVIE.../VR) with height-adjustable vibration dampers for comprehensive insulation against structure-borne noise
- Pipework: Complete pressure-side pipework made of 1.4571 stainless steel, suitable for connection of all commonly used piping materials; the pipework is sized corresponding to the overall hydraulic performance of the pressure boosting system
- Pumps: 1 pump is used from each of the series MVIE 2.., 4.., 8.., 16.., 32.. or 52.. (motor power up to max. 7.5 kW); the adapted, air-cooled frequency converter on the pump motor enables an infinitely variable control mode between 26 Hz and a maximum of 65 Hz for all pumps of these series; all pump components in contact with fluid are made of 1.4301 stainless steel
- Fittings: Each pump is fitted on the pressure side with a DVGW-tested, Ni-coated, CuZn gear-operated shut-off ball fitting and a DVGW-approved POM non-return valve in a CuZu housing
- Diaphragm pressure vessel: 8 l/PN 16 located on the discharge side with a butyl rubber diaphragm, completely safe in accordance with food safety laws for testing and inspection purposes, with Ni-coated, CuZn shut-off ball cock, with drain and throughflow fitting according to DIN 4807
Materials
- Impellers made of 1.4301/1.4404 stainless steel
- Stage chambers made of 1.4301/1.4404 stainless steel
- Pump housing made of 1.4301/1.4404 stainless steel or cast iron
- Shaft made of 1.4057/1.4404 stainless steel
- Seals EPDM (EP851)/Viton
- Mechanical seal made of tungsten carbide/carbon / SiC/carbon
- Pressure shroud made of 1.4301/1.4404 stainless steel
- Bearing made of tungsten carbide
- Pump base FGL 250/316
Scope of delivery
- Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
- Packaging
- Installation and operating instructions
Wilo-Comfort COR-1 Helix VE
| Name | Suction size | Nominal size | 1-phase / 3-phase | Rated power |
|---|---|---|---|---|
| Comfort-Vario COR-1 Helix VE2205/VR | DN50 | PN 16 | 3~ 400 V | 11 kW |
| Comfort-Vario COR-1 Helix VE2204/GE | DN50 | PN 16 | 3~ 400 V | 7,5 kW |
| Comfort-Vario COR-1 Helix VE2203/GE | DN50 | PN 16 | 3~ 400 V | 5,5 kW |
Wilo-Comfort COR-1 Helix VE
