BEST - Model 2-5 - Submersible Electric Pumps Brochure

The contents of this publication must not be regarded as binding. EBARA Pumps Europe S.p.A. reserves the right to effect any modification it deems necessary, without prior notice.Submersible electric pumps completely in AISI 304 stainless steel.APPLICATIONS• Moving seepage water• Draining cellars, garages and basements• Draining small to medium cellars TECHNICAL DETAILS• Versatile• They can be used in fixed or mobile installations• Equipped with 10 m of H07 RN-F power supply cable• Available with or without floatTECHNICAL DATA• Maximum immersion: 10 m• Maximum temperature of the liquid: 35°C• Max. solids size for passage: 10 mm• Self-ventilated 2 pole asynchronous motor • Class of insulation F• IP68 Protection rating• 230V ±10%, 50Hz single phase voltage, 400 ±10%, 50Hz three phase voltage• Permanent capacitor inserted and thermo-amperometric protection with automatic rearm incorporated for the single phase motor• Protection under user’s responsibility for the three phase version• G1½ Discharge connection MATERIALS• Pump body, impeller, suction grill, motor cover, seal housing disc and motor case in AISI 304• Shaft in AISI 303 (part in contact with the liquid)• Twin mechanical seal with oil chamber: - upper in Carbon/Ceramic/NBR (motor side) - lower in SiC/SiC/NBR (pump side)SPECIAL VERSIONS• MA version with floatFor accessories and control panels see from page 142PERFORMANCE CURVES (according to ISO 9906 Attachment A)IDENTIFICATION CODEBEST 3Single phaSeMmodel2345typebeSt 2-5SUBMERSIBLE ELECTRIC PUMPS in AISI 304Your Life, our Quality. Worldwide. 8 WastewaterThe contents of this publication must not be regarded as binding. EBARA Pumps Europe S.p.A. reserves the right to effect any modification it deems necessary, without prior notice.PERFORMANCE TABLEModel P2 Capacitor Absorbed Curr.[A]Q=Flow rateSingle phase230VThree phase400V [HP] [kW] µF Vcl/min 20 40 80 120 160 170 200 260 280 300 330 3601~ 3~ m3/h 1,2 2,4 4,8 7,2 9,6 10,2 12 15,6 16,8 18 19,8 21,6H=Head [m]BEST 2 M BEST 2 0,75 0,55 16 450 4,4 2 12,2 11,4 9,8 8,3 6,7 6,3 5,0 2,9 - - - -BEST 3 M BEST 3 1 0,75 20 450 5,6 2,4 13,6 12,7 11,1 9,5 7,9 7,6 6,4 4,0 3,2 - - -BEST 4 M BEST 4 1,5 1,1 30 450 7,3 3 17,4 16,6 15,0 13,4 11,7 11,3 10,0 7,5 6,7 5,9 4,6 -BEST 5 2 1,5 - - - 3,3 18,4 17,7 16,1 14,5 12,8 12,5 11,4 9,0 8,0 7,4 6,0 5,0DIMENSIONSDIMENSIONS TABLEModel Dimensions [mm] WeightH H1 [kg]BEST 2 352 315 12,0BEST 3 352 315 12,7BEST 4 377 340 13,8BEST 5 377 340 13,5beSt 2-5SUBMERSIBLE ELECTRIC PUMPS in AISI 304INSTALLATIONYour Life, our Quality. Worldwide. 9 WastewaterThe contents of this publication must not be regarded as binding. EBARA Pumps Europe S.p.A. reserves the right to effect any modification it deems necessary, without prior notice.Your Life, our Quality. Worldwide. 10 Wastewater MATERIALS TABLERef. Name Material Ref. Name Material1 37444652535455565786879697981271282042074671112131619202122232627283234Volute External pump bodyFilterBearing supportP/cap. boxBox lidCableFloatO-RingNutWasherWear ringO-Ring Cable glandCable glandCable glandCable glandScrewScrewAISI 304 AISI 304AISI 304AISI 304PA66--NBRAISI 303AISI 304AISI 304NBRNBRNBRAISI 304AISI 304Steel A2 UNI 7323Steel A2 UNI 7323PA66 reinf. with fibreglassAISI 304AISI 303AISI 304NBR-AISI 304---Steel C70AISI 304-NBRNBRNBRAISI 304AISI 304Motor supportShaft with rotorImpellerMechanical sealMotor caseMotor coverBoxPump side bearingFan side bearingAdjusting ringTie-rodCapacitorO-RingO-RingO-RingKeyImpeller nutSECTIONAL VIEWbeSt 2-5SUBMERSIBLE ELECTRIC PUMPS in AISI 304