②Bladder Material③Series⑪Specifications of Accessories⑤Nominal Gas Volume⑪Specifications of Accessories⑤Nominal Gas Volume⑩Material of Button※2NBFECGEpichlorohydrin RubberVUYRSJNAGHSpare PartsBladderWhen ordering accumulator bladders listed in the catalogue, please refer to the page about accessories/tools/spare parts for each series along with the following information.When ordering special items (accumulator item number containing "X") or accumulator bladders not listed in the catalogue, please refer to page 115 and inform us of the serial number of the accumulator in use.Since bladders are consumables, periodically replacing them is recommended. Periodic bladder replacement ensures operation without emergency system shutdown.103Select the item number code corresponding to the material suitable for "service fluid" and "service temperature" for the accumulator in use. ※2※1 J series standard nitrile bladders with a button are designated by "B".※2 “Service Temperature” means the temperature of the fluid which contacts the bladder when it works. It is the accumulator's internal temperature.Select the item number code corresponding to the series name of the accumulator in use.※3 Please designate "N" for A series accumulators with a nominal gas volume of 150 L.Bladder MaterialBladder MaterialSymbolBladder MaterialStandard Nitrile RubberStandard Nitrile Rubber with Button ※1NBRNitrile Rubber for High Temparature UseH.NBRNitrile Rubbler for Low Temparature UseL.NBRButyl RubberEthylene Propylene RubberChloroprene RubberFluorine RubberSymbolSeriesA Series ※3G SeriesH SeriesSeriesSeriesNBRTurbine OilFatty Acid Ester FluidWater Glycol FluidW/O Emulsion FluidO/W Emulsion FluidBiodegradable FluidTap WaterSea WaterPhosphate Ester FluidIIREPDMPhosphate Ester Based FluidBasic, WaterCRCHCFKMSymbolSeriesJ SeriesN SeriesAllowable Service Temparature (℃)Service Fluid−10 – +70−10 – +110−35 – +70−10 – +70−20 – +80SymbolAttached O-ring Attached O-ring material for Gas Charging Valve, for connection port of SG Valve and material for Top CapTop Cap, and for Pressure GaugeNBRFKML.NBRFKMEPDMCRFKMSeriesR SeriesS SeriesSymbolNBRL.NBRNBRSeriesU SeriesY SeriesItem Number of Bladders without a ButtonItem Number of Bladders with a Button6565②③②③⑤⑤⑤⑤⑤⑪②③⑤⑩⑪②③HL⑩⑩
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