Wilo-FLA-1

Pressure-boosting system for fire-fighting systems with indirect connection in accordance with DIN 14462.

With a vertical stainless steel high-pressure multistage centrifugal pump in glanded version

Fully automatic water supply for fire-fighting systems with wall hydrants of the type "F" in domestic, commercial and public buildings, hotels, hospitals, shopping centres and also offices and industrial buildings

• A pump of the Helix FIRST V 16, 22, 36, 52 or MVI 70 series, equipped with IE3 motor
• 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
• Gear-operated ball valve or annular shut-off valve on the suction and discharge side of the pump
• Non-return valve, on the discharge side
• Throttle valve made of stainless steel 1.4571 on the suction side of the pump
• Pressure switch, on the discharge side
• Pressure gauge, on the discharge side
• Diaphragm pressure vessel 8 l, PN 16, on the discharge side
• Accessories: 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

• Mains connection 3~400 V, 50 Hz
• Max. fluid temperature 50 °C
• Operating pressure 10 or 16 bar
• Inlet pressure from break tank < 1 bar
• Nominal connection diameter on pressure side R 2" - DN 125
• Nominal connection diameter on suction side Rp 2"- DN 125
• Operating unit protection class IP 54

• 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)
• 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, 36, 52 and MVI 70 series pump; 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: For each pump, the non-return valve has a 1.4571 needle-type throttle for returning the bypass volume flow to the break tank. All throttle valves and shut-off devices are sealed and protected against unauthorised adjustment. The pump is equipped with an automatic air vent valve on the top of the hydraulics.
• 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 arranged on the discharge side, 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

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

• Mains connection 3~400 V, 50 Hz
• Max. fluid temperature 50 °C
• Operating pressure 10 or 16 bar
• Inlet pressure from break tank < 1 bar
• Nominal connection diameter on pressure side R 2" - DN 125
• Nominal connection diameter on suction side Rp 2"- DN 125
• Operating unit protection class IP 54

• 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)
• 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, 36, 52 and MVI 70 series pump; 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: For each pump, the non-return valve has a 1.4571 needle-type throttle for returning the bypass volume flow to the break tank. All throttle valves and shut-off devices are sealed and protected against unauthorised adjustment. The pump is equipped with an automatic air vent valve on the top of the hydraulics.
• 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 arranged on the discharge side, 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

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