C2-Sewage Pumps DN 32 to DN 600 - 2008.pdf

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Sewage Pumps for Municipal and Industrial ApplicationsSubmersible motor pumps from DN 200 to DN 250Series description Wilo-EMU FA 20… to FA 25…Different impeller shapes are used:• E = Single-channel impeller• Z = Two-channel impeller• D =Three-channel impellerThe hydraulics are equipped with a counter ring and stationary wearring made of hardened materials. These easily exchangeable wearparts guarantee long-term efficiency of the unit.MotorMotor housing made of grey cast iron. Depending on the type ofmotor, the unit can run continuously in wet or dry sump installation.The air-filled motors (T) give off their heat to the surrounding fluidand can therefore not be operated continuously outside of the fluid.Wilo-EMU FA…Sewage pump with submersible motorType key for hydraulicsExample: Wilo-EMU FA 20.54EFA = Submersible sewage pump20 = Nominal width of the pressure port DN 200 (x10)54 = Performance characteristic numberE = Impeller typeType key for motorsExample: Wilo-EMU FK17.1-6/16K ExFK = Motor version17 = Size1 = Distinguishing number6 = Number of poles16 = Package lengthK = Seal versionEx = Ex approvalFields of applicationPumping of sewage with solid matter in pumping stations, watertreatment systems, as well as in industrial and commercial areas.The self-cooling motors (F, FK, FO, FKT, HC) give off their heatdirectly to the pumped fluid via a built-in heat exchanger. They aresuitable for permanent operation either submerged or surfaced.The cable inlet is sealed longitudinally watertight in connection withthe T-cable inlet. Up to the motor size 17 the cable lengths are availablein fixed stages starting from 10 m. Starting from size 20 thecable length can be individually configured.SealingThe sealing of the motor space from the fluid is done in various ways.There are different variants, depending on the type of motor:• On the fluid side with a mechanical seal, on motor side with a radialshaft sealing ring (version H)• Two mechanical seals (G)• Block seal cartridge (K)Options• Special materials and coatings against corrosion and abrasion• Diverse monitoring equipment depending on the type of motor (sealingchamber control, bimetal or PTC thermistor temperature sensor,bearing temperature, ...)• Plugs and switchgear• Level controlsConstructionSubmersible sewage pump as submersible monobloc unit for wet anddry sump installation. Portable installations are usually possible.HydraulicsHousing and impeller made of grey cast iron. The outlets on the pressureside are designed as horizontal flange connections. The maximumpossible dry substance content, depending on the hydraulics andimpeller type, is 8%. The ball passages are between 80 and 200 mm.292 Subject to change without prior notice 09/2007 WILO AG
Sewage Pumps for Municipal and Industrial ApplicationsSubmersible motor pumps from DN 200 to DN 250Series description Wilo-EMU FA 20… to FA 25…Overview diagram600500400300200H max.[ft]200H max.[m]10070605040DN200Submersible Motor Pumps DN50 to DN 150100307060504030202010Submersible Motor Pumps DN200 to DN 25010DN250211 10Q max. [USgpm]Q max. [l/s]100 200 300 4001000100 200 300 4001000 2000 300010000 200002000 3000Submersible Motor Pumps DN300 to DN 600NoneNoneWilo Catalogue C2 – 50 Hz – Sewage Pumps DN 32 to DN 600293
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Catalogue Drainage and SewageSewage
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Program Overview and Fields of Appl
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WILO AGNortkirchenstraße 10044263
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