gasketchina_en&cn(板式换热器垫片材质)

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1、1©AlfaLavalGasketMarkusNykvistRevisedbyTorstenAsk2007-11-26AgendaRubbermaterialsusedbyAlfaLaval阿法拉伐胶垫Lifetime寿命Materialselection材料选择Construction胶垫构造Manufacturing制造3©AlfaLavalMaterials-Classificationofrubbertypes胶垫材料分类Normalrubber13000kton/yearE.g.NR（天然橡胶）andSBR（丁苯橡胶）Specialtyrubber2000kton/yearHigh

2、volym(大量）Lowvolym(少量）EPDMFKMNBRQHNBRCR4©AlfaLavalMaterials-AlfaLavalNBRtypesNitrile（丁腈橡胶）Inexpensivestandardmaterialupto140°CNBRP(performance)upto140°CNBRB(base)inexpensiveforlowertemperaturesApplicationrelatedNBRqualitiesNBRFF-foodgradeNBRLT-forlowtemperatureinrefrigerationapplicationsHydrogenatedN

3、itrile（氢化丁腈橡胶）HNBRfordutieswithhighH2Scontentandforoperatingtemperaturesupto160°C,moreexpensive5©AlfaLavalMaterials-NBRusage用途AllNBRPgasketscanbeglued所有NBRP可用粘接Largestusedmaterialgroup(noofgaskets)用量最多PolarpolymerOilresistantmaterial能抵抗极性物质如油Suitableformostfuelsandlubricatingoils.用于燃料油和润滑油Manytypeso

4、fheattransferoilsareunsuitable很多导热油不合适Suitableinsteamupto140°C(NBRP)蒸气应用达到140度Unsuitableinpolarorganicsubstances有机溶液不合适Pooroutdoorresistance抗户外老化较差6©AlfaLavalMaterials-AlfaLavalEPDMtypesEPDM（三元乙丙）Standardmaterialupto160°C标准材料160度StandardEPDMqualities标准EPDMEPDMforgluedgaskets(“Crushingresistant”抗挤压)E

5、PDMCforclip-ongasketsathightemperatureEPDMCTasabovebutforthingasketsinmodelswithlowpressingdepth(1.5-3mm)EPDMPforhightemperaturesteamapplications(180°C)ApplicationrelatedEPDMqualities其它应用EPDMEPDMFF-foodgradeEPDMALforincreasedpressureresistanceincertainchemicaldutieswherenormalEPDMswells7©AlfaLavalMa

6、terials–EPDMusage用途Unsuitableinalltypeofhydrocarbons碳氢化合物(e.g.crudeoil原油,heattransferoilsofhydrocarbontype,hydrocarbonsolvents,lubricatingoils,paraffin石蜡)Shouldnotbeusedinvegetableoils不能用于植物油Goodsteamresistance–hightemperature高温蒸气Relativelygoodacidresitance用于酸类Relativelygoodinoxidizingfluids用于氧化类溶剂G

7、oodoutdoorperformance抗户外老化8©AlfaLavalMaterial-AlfaLavalFKM-typesFKM,Fluorocarbonrubber氟橡胶Usedforaggressivechemicalcompounds用于腐蚀性很将的化学物质Sulphuricacid硫酸Aromaticorganiccompounds芳香类有机物Chlorinatedorganicco