LNG低溫調(diào)節(jié)蝶閥設(shè)計(jì)與性能試驗(yàn)

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Abstract：AnovelLGultralowtemperatureregulatingbuteflyalvehasbenesigedfeaturinganomialpressureratigofAI Class150andanoperating temperature extendingdown to-196℃.This studyencompasses structural designoptimizationofsealing andcoectionmchanism，sellasaterialslctionandmanufacturingprocessimprovemetsforpivotalomponentseesign incorporatesadouble-ofsetstructuretostreamlinetheflowpathandreduceoperatingtorque.Aninovativemulti-layercomposite sealingsystem，tegatingetalsalingithflexblegapitesalingisdvelodtosuresalingeliabilityinygeicodiio. The primarypresure-bearingcomponentsaremanufacturedfromASTMA351Gr.CF8Mausteniticstainlessstel，withryogenic treatmentapliedtoenhancelow-temperature toughnessLow-temperatureenvironmentaltestsandperformancevalidationof the prototypedemonstratethattheuterflvalveexibitshghcontroleficiencyandreliablityiLNGoperatingconditions.Tesearch findings provide theoretical support and practical guidance forthe localization of critical LNG equipment.

Keywords：lowtemperatureadjustmentbuterflyalve;LG;peformancetesting;techncalcharacteristics;sealingpeforance

隨著全球能源格局的變革和對(duì)環(huán)境可持續(xù)發(fā)展的日益重視，清潔能源市場(chǎng)需求呈現(xiàn)出持續(xù)增長(zhǎng)的態(tài)勢(shì)。（剩余8031字）