Submersible pumps P 3000, P 4600, P 7000, 50 Hz - ITT Water & Wastewater - #51

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51 P 7121 P 7121 Product Axial-flow pump for transportation of large volumes of water, containing minimum debris and fibres, at low heads. Denomination Product code 7121/835 Product code 7121/865 Product code 7121/905 Product code 7121/935 Installation L Process data Liquid temperature max +40° C Depth of immersion max 20 m The pH of the pumped liquid pH 6 - 11 Liquid density max. 1100 kg/m3 Pump (ball-) throughlet 125 mm (blade angle 8°) Pump (ball-) throughlet 225 mm (blade angle 22°) Motor data Frequency 50 Hz Insulation class H (+180° C) Voltage variation - continuously running max ± 5% - intermittent running max ± 10% Voltage imbalance between phases max 2% No. of starts/hour Cable SUBCAB® To be dimensioned by ITT FLygt Monitoring equipment Thermal contacts opening temperature 140° C Leakage sensor in stator housing Ball float switch Analogue temperature sensor in main bearing Pt100 Material Pump housing Cast iron Stator housing Cast iron O-rings Nitrile rubber Mechanical face seals Propeller Shaft Surface Treatment All cast parts are primed with a water-borne primer. The finishing coat is a high-solid two pack paint. Weight See dimensional drawing. Option 7121/845 Ex. proof version 7121/875 Ex. proof version 7121/915 Ex. proof version 7121/945 Ex. proof version Leakage sensor in oil housing CLS Leakage sensor in junction box Ball float switch Analogue temperature sensor in stator windings Pt100 Analogue emperature sensor in support bearing Pt100 Oil flow sensor in gear box Other cables Surface treatment Epoxy treatment Zinc anodes Drive unit Starts/hour 8XX max 15 9XX max 6 Alternative Inner seal Outer seal 1 Corrosion resistant cemented carbide/ Corrosion resistant cemented carbide Corrosion resistant cemented carbide/ Corrosion resistant cemented carbide Alternative Material 1 Aluminium bronze 2 Stainless steel Alternative Material 1 Steel 2 Stainless steel