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SAE AS708 Top Visual Quality (Tvq) O-Ring Packings and Gaskets - Surface Inspection Guide and Acceptance Standard

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Product Code:SAE AS708
Title:Top Visual Quality (Tvq) O-Ring Packings and Gaskets - Surface Inspection Guide and Acceptance Standard
Issuing Committee:Ams Ce Elastomers Committee
Scope:This standard establishes the inspection requirements and acceptance standards for optimum surface finish O-ring packings and gaskets. (This is not an O-ring specification per se). This standard must be used in conjunction with an O-ring drawing and/or material specification. This standard is to be specified only where stringent performance requirements are necessary.
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【英文标准名称】:Outdoorbushingsfor24kVand36kVandfor5kAand8kA,forliquidfilledtransformers
【原文标准名称】:充液变压器用24kV、36kV、5kA和8kA的户外套管
【标准号】:BSEN50243-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-23
【实施或试行日期】:2002-07-23
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:陶瓷;物资清单;套管;额定电压;定义;电驱动装置;规范(验收);户外站点;变压器套管;型式;绝缘的;尺寸;变压器
【英文主题词】:
【摘要】:Thisstandardisapplicabletoceramicinsulatedoutdoorbushingsforhighestvoltagesforequipmentof24kVand36kV,withratedcurrentsof5kAand8kAandfrequenciesfrom15Hzupto60Hzforinsulatingliquidfilledtransformers.Thisstandardestablishesdimensionstoensureinterchangeabilityandadequatemountingofbushings.Twotypesofconstructionarespecified,typeAandtypeB,bothtypesforhighestvoltagesforequipment24kVand36kVandratedcurrentsof5kAand8kA.ThemechanicalstressesoftheconductortubemakethedifferencebetweentypeAandtypeB.TheconductortubeoftypeAisaxiallyandradiallyfixedinthetopofthebushing.Theinnerlineterminalofthetransformercanbeflexibleandwithoutanyspecialsupportforthelowerendoftheconductortube.IncaseoftypeB,theconductortubeisonlyradiallyfixedinthetopofthebushing.Inthatcase,arigidsupporthastobemountedtofixthelowerendoftheconductortube(forexample,incombinationwithadripproofedsealingend).Thedripproofedsealingendisoftenrequiredintheservicerequirements.Inthiscase,itisnotpossibletousetypeAbecauseoftheexistingdoublefixation.Therefore,bothbushingtypesAandBhavetobespecified.TheconditionfortheusageoftypeBisthatthedripproovedsealingendisabletowithstandthemechanicalstressinaxialdirection.
【中国标准分类号】:K41
【国际标准分类号】:29_080_20
【页数】:22P;A4
【正文语种】:英语


Product Code:SAE MAM2620
Title:Pressure Testing, Hydraulic, 6895 kPa
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification provides requirements and procedures for hydraulic-pressure leak testing of parts.