Wilo-FLA Compact-2 Helix V
Wilo-FLA 2 Helix V 3604
Your advantages
- Compact system with 2 Helix FIRST V series stainless steel high-pressure multistage centrifugal pumps, in accordance with DIN 1988 and DIN 14462 (redundancy for 2-pump systems)
- Complete system which is supplied with a round tank (approved for drinking water) connected directly to the suction port of the pump
- Hydraulic power within the series of up to 18 m3/h for 100 m delivery head
- Easily adjustable and operationally reliable due to the FLA operating unit (TÜV tested)
- Preconfigured bypass flow, for pump protection with low flow
FLA
Design
Pressure-boosting system for firefighting in accordance with DIN 14462 for indirect connection.
With 2 vertical, stainless steel high-pressure multistage centrifugal pumps in glanded version and break tank.
Application
Fully automatic water supply for fire-fighting systems with type "F" fire hose reels in domestic, commercial and public buildings, hotels, hospitals, shopping centres and industrial systems
Equipment/function
- 2 Helix FIRST V 16, 22 series pumps, equipped with IE3 motors
- Automatic pump control via FLA control unit
- Components that come in contact with the fluid are corrosion-resistant
- Base frame made of galvanised steel, with height-adjustable vibration absorbers for insulation against structure-borne noise
- Pipework made of 1.4301 stainless steel
- Shut-off ball valve on the discharge side of each pump
- Gate valve between each pump and break tank
- Non-return valve, on the discharge side of each pump
- Preset valve at pump outlet of each pump for minimum bypass flow
- Pressure switch, on the discharge side of each pump
- Pressure gauge, on the discharge side
- Diaphragm pressure vessel 8 l, PN 16, on the discharge side
- Atmospherically ventilated break tank in accordance with DIN 14462 with free exhaust in accordance with EN 13077, type AB in accordance with DIN EN 1717
- Rectangular PEHD tank with water level indicator
- Drainage
- Float switch as low-water signal transmitter
- Venting and exhaust with valve plate
- Inspection opening with cover, which can be sealed without any tools
- Internal wash plates to reduce the flow rate of the fluid
- 2 x inlet, 2 x draw-off connection
- Overflow as free outlet, type AB in accordance with DIN EN 1717 with non-circular cross-section
Typekey
Example: | Wilo-FLA Compact–2 Helix V 1604 DS8 |
FLA | Fire extinguishing system |
Compact | with break tank |
2 | Number of pumps |
Helix V | Pump series |
16 | Rated volume flow [m3/h] |
04 | Number of pump stages |
DS8 | Pressure control up to 8 bar (pump type-dependent) |
Technical data
- Mains connection 3~400 V, 50 Hz
- Max. fluid temperature 50 °C
- Rated pressure 16 bar
- Operating pressure up to 16 bar
- Inlet pressure from break tank < 1 bar
- Nominal connection diameter on the pressure side R 21/2" - R 3"
- Nominal connection diameter of the float valve in the break tank 2 x G2"
- Operating unit protection class IP 54
- Rectangular break tank (540 l)
Materials
- Impellers, diffusers, stage housing made of stainless steel 1.4307
- Pump housing made of EN-GJL-250, cataphoretically coated
- Shaft of stainless steel 1.4057
- 1.4404 shaft protection sleeve
- O-Ring gaskets made of EPDM (FKM gasket on request)
- Rectangular tank made of black PE-HD
- Pipework made of 1.4301 stainless steel
Construction
- Base frame: made of electrolytically galvanised steel and provided with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
- Pipework: complete pipework made of stainless steel 1.4301, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the FLA pressure boosting system
- Pumps: Helix FIRST V 16, 22 series pumps; all pump components in contact with fluid are made of stainless steel/EN-GJL-250, with cataphoretic coating. For more information about the pump, please refer to the catalogue section "High-pressure multistage centrifugal pumps"
- Valves: A special brass valve is located at the upper end of the hydraulic section of the pumps for returning a bypass volume flow to the break tank. This valve and the shut-off devices are sealed and protected against unauthorised adjustment.
- Diaphragm pressure vessel: 8 l/PN 16 arranged on the discharge side. For testing and inspection purposes, equipped with a special throughflow fitting that enables the diaphragm pressure vessel to be shut-off and drained
- Pressure switch: A pressure switch is arranged on the discharge side of each pump, for activation of the central FLA controller
- Pressure indication: Pressure gauge (ø 63 mm) on the discharge side; additional digital display of operating pressure and setting parameters in the FLA controller
- Control device/controller: The system is equipped with a specific FLA controller as standard
- Break tank: The system is supplied with a break tank (540 l). This is equipped with 2 float valves and a specific spray water device approved for drinking water to ensure compliance with the Drinking Water Ordinance
Scope of delivery
- Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
- Break tank ready for connection
- Installation and operating instructions
Installation and operating instructions
Wilo-Helix V, .. FIRST V, ..2.0-VE 2-4-6-10-16
| Article Number | 4143727 |
| Edition | 2023-03 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 24 |
PDF (5 MB)Wilo-Helix V, FIRST V, 2.0-VE 22-36-52
| Article Number | 4120943 |
| Edition | 02/2022 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 28 |
PDF (7 MB)Wilo-FLA Compact
| Article Number | 2537431 |
| Edition | 2019-07 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 96 |
PDF (4 MB)General overview
General Overview 2023 - International version
| Edition | 2022 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 74 |
PDF (24 MB)Certificate REACH
REACH Regulation
| Edition | 2021-05 |
| Page format | 209.9 x 297.0 mm |
| Number of pages | 4 |
PDF (262 KB)