Pail℃℃ifleamnηFQL－－－－－－L22１１ noitacficepssrotcaebacppAs'remotsuC( Ｖw )( ｅ )・0.95・( Ｆ )( ａ ) －１( ｎ )( ａ ) ( ｍ )１× － ×(１－ )0.2039× ＋１SelectedAccumulator Item #Inspection certificaterequired by the customerP2 is to be determined taking pressure loss (△P) into consideration (△P= MPa)Ｐ1L＝Ｖ1＝P1H = (P2 + 0.1013) × 0.85 (at Highest Working Temperature)Time necessary to charge Vw into the Accumulator (oil discharge volume from pump = L/min)Pa = ( P3 + P2) ÷ 2 + 0.1013NACOL CO., LTD. Sales Department will be happy to review your Accumulator requirements with any special Accumulator manufacturing codes or specifications.We will review your specific requirements in detail to provide you with the most suitable and economical Accumulator.Required oil volume to be discharged fromAccumulatorCharged gas pressure at the highesttemperatureCharged gas pressure at the lowesttemperaturePlease fill in the each then send this data sheet to .We are pleased to select the most suitable accumulator for you. Q = Vw ÷ Tm or Tn ÷ pieces. Either Standard Type or High Flow Typeas selected from catalogue specifications.Note : In all calculations, the absolute pressure shall be used. (absolute pressure = gauge pressure + 0.1013 MPa)Max. Working PressureMin. Working PressureOil Charge TimeOil Discharge TimeGas Charging Pressure RatioWorking Pressure RatioMean Accumulator Circuit PressurePolytropic Exponent at Oil Charge TimePolytropic Exponent at Oil Discharge TimeAccumulator Gross EfficiencyOil Discharge CoefficientAccumulator Gas CapacityＢ Ｐ1H ＣQ'ty /METI Japan · ASME · CE ( )Flange ( )Date:Suitable BladderCompoundBushing( ) ·Service Fluid0.95Customer Name:Max. Required Oil VelocityMPa · G(P3 + 0.1013) ≦ 4 × P1L MPa · GMPa · abssecsecTime necessary to discharge Vw from the AccumulatorTime necessary to discharge Vw from the AccumulatorMPa · absCalculate from the FORMULA shown belowe = P1L ÷ (P2 + 0.1013) When (e = P1H ÷ P2 + 0.1013) ＞ 0.9, bladder life will be shortened.） a = ( P3 + 0.1013) ÷ ( P2 + 0.1013) MPa · absIntersecting point of Tm and Pa as given by the table of N2 gas polytropic exponents. (see page 20)Intersecting point of Tn and Pa as given by the table of N2 gas polytropic exponents. (see page 20)Given from the following formula.Given from the following formula.L/secＡ ＴL ＴHFittingsCountry of InstallationR e f e r e n c eAccumulator Application(Name of System)Max. Working TemperatureMin. Working Temperature(FORMULA)119Ｃ＝Ｂ＝Ａ＝THTL｛8233－ 6794×104－( －696) ｝/102｛488－ 2065×102－( －170) ｝/10410.1972× ＴHＴHＰ1HTEL : +81-54 -367-1252 FAX : +81-54-367-1951https://www.nacol.co.jp E-mail: sales@nacol.co.jpＰ1HVwP3P2P1HTmTnP1LV1｛ ×( － )＋ ×10.1972｝/10.1972Ｆ＝Accumulator Sizing Program for Energy Storage Application
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