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CENTRIFUGAL PUMPS - Ebara Pumps Online

CENTRIFUGAL PUMPS DWC SPECIFICATIONS 50 Hz 200 EBARA PUMPS EUROPE S.p.A. PUMP Type of liquid Clean water, moderate aggressive fluids, glycol solutions,

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Text of CENTRIFUGAL PUMPS - Ebara Pumps Online

Japanese Technology since 1912 28 CommercialThe content of this publication should not be considered mandatory. EBARA Pumps Europe reserves the right to change the content without prior IMPELLER CENTRIFUGAL ELECTRIC PUMPS in AISI 304Enclosed impeller centrifugal electric pumps in AISI 304 stainless steel. APPLICATIONS Cooling, air conditioning and heating systems Chiller Washing systems Industrial liquidsTECHNICAL DETAILS Available in two different versions: with threaded (DWC-N) and Victaulic connections (DWC-V) Insulation as per standard for the Victaulic version (DWC-V)PUMP TECHNICAL DATA Maximum working pressure: 8 bar Maxim temperature of the liquid: -15 C +90 C -15 C +110 C for H-HS-HW-HSW versions Suction and discharge connection G2 for DWC-N Suction and discharge connection 2 ( mm) for DWC-V For further information please see our Data Book on the web site TECHNICAL DATA High efficiency IE2 motors starting from up to IE3 starting from Self-ventilated 2 pole asynchronous motor Class of insulation F IP55 protection degree 230/400V 10% 50Hz three phase voltage Protection under user s responsibility for the three phase versionMATERIALS Pump casing, casing cover, impeller and shaft (part in contact with the liquid) in AISI 304 Bracket and motor frame in aluminium Mechanical seal in: - Ceramic/Carbon/EPDM (standard) - special versions: see p. 32ACCESSORIES (On request)Insulation casing for DWC pump casing for applications with refrigerant liquids or liquids with high thermal difference that may generate RANGE (according to ISO 9906 Attachment A)DWC-VIDENTIFICATION CODEDWCV500 in connectiontHreaded connectionHoPtional versionDWC-NHHSHWHSWQ1AVGGAQ1EGGVAEGGQ1U 3EGGU3BEGGJapanese Technology since 1912 29 CommercialThe content of this publication should not be considered mandatory. EBARA Pumps Europe reserves the right to change the content without prior CHARTModelP2Q = Flow RateThree phasel/min 100150200250300350400500600700750230/400 V[HP][kW]m3/h 69121518212430364245H=Head [m]DWC 300 300 500 500 500 IMPELLER CENTRIFUGAL ELECTRIC PUMPS in AISI 304PERFORMANCE CURVES DWC 300 series(according to ISO 9906 Attachment A)PERFORMANCE CURVES DWC 500 series(according to ISO 9906 Attachment A)PUMP BODY INSULATING COVERVICTAULIC JOINTVICTAULIC JOINTSEC. A-AJOINT INSULATING COVERPUMP BODYJOINT INSULATING COVERTHERMAL INSULATIONModelInsulating coverInsulating coverJointpump casingjointVictaulicDWC-V 300 requestOn requestDWC-V 300 500 500 500 300 requestNot applicableNot applicableDWC-N 300 500 500 500 Technology since 1912 30 CommercialThe content of this publication should not be considered mandatory. EBARA Pumps Europe reserves the right to change the content without prior TABLEDIMENSIONAL TABLEModelDimensions [mm]Weight [kg]BB*CC*H3H3*VV**DWC-V 300 300 500 500 241197244239PG 500 241230 241244244PG [mm]Weight [kg]BB*CC*H3H3*VV**DWC-N 300 300 500 500 241197244239PG 500 241230 241244244PG DWC-V (VICTAULIC CONNECTION)DIMENSIONS VIEW DWC-N (THREADED CONNECTION)DWCENCLOSED IMPELLER CENTRIFUGAL ELECTRIC PUMPS in AISI 304* Models with IE3 motor only* Models with IE3 motor onlyJapanese Technology since 1912 31 CommercialThe content of this publication should not be considered mandatory. EBARA Pumps Europe reserves the right to change the content without prior IMPELLER CENTRIFUGAL ELECTRIC PUMPS in AISI 304SECTIONAL VIEW DWC-V (VICTAULIC CONNECTION)MATERIALS casingEN (AISI 304)25PlugEN (AISI 304)3Motor bracketAluminium26O-Ring [1]EPDM4Casing coverEN (AISI 304)32KeyEN (AISI 316)6ShaftEN (AISI 304) Part in contact with the liquid34Impeller nutEN (AISI 304)7ImpellerEN (AISI 304)42Motor supportAluminium / Galvanised steel11Mechanical sealCeramic/Carbon/EPDM50Spacer-12Motor frame-56Terminal box cover gasketNBR13Motor coverAluminium73Casing ringEN (AISI 304)14FanPA75WasherEN (AISI 304)15Fan coverGalvanised Fe P0476WasherEN (AISI 304)16Terminal Box-77O-Ring [1]EPDM17Terminal box coverAluminium78O-Ring [1]EPDM19Bearing (pump side)-92Seal ring-20Bearing (motor side)-93Seal ring-21Adjustment ringSteel C70200Screw (pump body)Stainless steel A2-70/1 class ISO 3506/122Tie-rodGalvanised Fe 42208ScrewStainless steel A2-70/1 class ISO 3506/124PlugEN (AISI 304)SECTIONAL VIEW DWC-N (THREADED CONNECTION)[1]= FKM for H-HS-HW-HSW versionsJapanese Technology since 1912 32 CommercialThe content of this publication should not be considered mandatory. EBARA Pumps Europe reserves the right to change the content without prior IMPELLER CENTRIFUGAL ELECTRIC PUMPS in AISI 304MECHCANICAL SEAL standardMATERIALS partCeramicBFixed partCarbonCO-RingEPDMDO-RingEPDMEO-RingE PDMFSpringAISI 316GStructure/frameAISI 304SPECIAL MECHANICAL SEALS (on request)ELECTRIC DATA TABLEModelP2EfficiencyEfficiency (%)P1Absorbed CurrentThree phaseThree phase[A]230/400V[HP][kW]Three phase %Three phaseThree phase50%75%100%[kW]230V400VDWC 300 300 500 500 500 DATA TABLEModelP2LpA - dB(A)*Three phase230/400V[HP][kW]DWC 300 <70DWC 300 500 <70DWC 500 500 * Mean value of several measurements at 1 m distance around the VersionHS VersionHW VersionHSW VersionARotating partCeramicSilicon CarbideTungsten CarbideSilicon CarbideBFixed partCarbonSilicon CarbideTungsten CarbideTungsten CarbideCO-RingFKMFKMFKMFKMDO-RingFKMFKMF KMFKMEO-RingFKMFKMFKMFKMFSpringAISI 316AISI 316AISI 316AISI 316GStructure/frameAISI 304AISI 316AISI 316AISI VersionAQ1EGG VersionVAEGG VersionQ1U3EGG VersionU3BEGG VersionARotating partSilicon CarbideMetallised carbonCeramicSilicon CarbideTungsten CarbideBFixed partMetallised carbonSilicon CarbideMetallised carbonTungsten CarbideGraphiteCO-RingFKMEPDMEPDMEPDMEPD MDO-RingFKMEPDMEPDMEPDMEPDMEO-RingFKMEPD MEPDMEPDMEPDMFSpringAISI 316AISI 316AISI 316AISI 316AISI 316GStructure/frameAISI 316AISI 316AISI 316AISI 316AISI 316

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