Wilo-FLA Compact-2 Helix V

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.

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

• 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

• 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)

• 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

• 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

• Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
• Break tank ready for connection
• Installation and operating instructions

Low-water cut-out switchgear

According to DIN 14462, dry-running protection relay, e.g. for connection to low water float switches of the WILO FLA break tanks, electrodes etc.; low water status only for signalling of faults. Protection against low water level is active in the test run. The contacts of the necessary float switch must be wired to the connecting terminals in the controller.

Atmospherically ventilated break tank according to DIN 14462, for indirect connection of a fire extinguishing system to the public drinking water supply according to DIN 1988-600, system separation provided by a safety device in accordance with EN 13077 (free outlet), type AB in accordance with DIN EN 1717.

When using, please observe DIN 1988 - 600 and the regulations of the local water suppliers.

Important:

On-site connection lines are to be connected in such a way that they are voltage-free and not weight-loaded!

• 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)

• 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

• 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

• Factory-mounted, connection-ready pressure boosting system checked for functionality and impermeability
• Break tank ready for connection
• Installation and operating instructions

Low-water cut-out switchgear

According to DIN 14462, dry-running protection relay, e.g. for connection to low water float switches of the WILO FLA break tanks, electrodes etc.; low water status only for signalling of faults. Protection against low water level is active in the test run. The contacts of the necessary float switch must be wired to the connecting terminals in the controller.

Atmospherically ventilated break tank according to DIN 14462, for indirect connection of a fire extinguishing system to the public drinking water supply according to DIN 1988-600, system separation provided by a safety device in accordance with EN 13077 (free outlet), type AB in accordance with DIN EN 1717.

When using, please observe DIN 1988 - 600 and the regulations of the local water suppliers.

Important:

On-site connection lines are to be connected in such a way that they are voltage-free and not weight-loaded!