1、ICS23.040.60J15中华人民共和国国家标准GB/T124592017部分代替GB/T124592005,GB/T134012005钢制对焊管件 类型与参数SteelbuttweldingpipefittingsTypesandparameter2017-02-28发布2017-09-01实施中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会发布目 次前言1 范围12 规范性引用文件13 类型与代号14 管件的压力设计25 管件尺寸26 表面轮廓287 端部坡口288 公差309 标志3210 产品质量合格证明书33附录A(规范性附录) 设计验证试验34附录B(资料性附录)
2、 管件设计计算37GB/T124592017前 言本标准按照GB/T1.12009给出的规则起草。本标准部分代替GB/T124592005钢制对焊无缝管件和GB/T134012005钢板制对焊管件。本标准与GB/T124592005相比,主要技术变化如下:将GB/T124592005和GB/T134012005中有关类型、代号、尺寸与公差、压力额定值、试验和标志等内容合并在本标准中,本标准各类规格的管件不再区分无缝管件还是钢板制焊接管件;删除了GB/T124592005中有关原材料、制造和检验等内容,这些内容合并到GB/T134012017钢制对焊管件 技术规范中;增加了管件的压力设计要求和说
3、明;增加了管件设计计算的相关资料;增加了R=3D弯曲半径的弯头和特殊角度弯头的相关参数计算及说明;修改了管件设计验证试验的内容;扩大了尺寸范围。本标准由中国机械工业联合会提出。本标准由全国管路附件标准化技术委员会(SAC/TC237)归口。本标准起草单位:无锡市新峰管业股份有限公司、中机生产力促进中心、江阴市南方管件制造有限公司、中石油工程建设公司华东设计分公司、中国天辰工程有限公司、中机国能电力工程有限公司、扬州市管件厂有限公司、河北沧海核装备科技股份有限公司、常州市武进电力管件有限公司、湖州久立管件有限公司、江阴海陆高压管件有限公司、天津金鼎管道有限公司、苏州宇力管业有限公司、全国锅炉压力
4、容器标准化技术委员会压力管道分技术委员会。本标准起草人:王汉清、郭顺显、李俊英、刘建、刘建欣、冯峰、朱晓锋、陆恒平、刘洪福、林其略、岳进才、孟庆云、臧志伟、杨立建、辛和、张新岳、张秀杰。本标准所代替标准的历次版本发布情况为:GB/T124591990、GB/T124592005;GB/T134011992、GB/T134012005。GB/T124592017钢制对焊管件 类型与参数1 范围本标准规定了DN15DN1500(NPS1/2NPS60)钢制对焊管件(以下简称管件)的类型与代号、管件的压力设计、管件尺寸、表面轮廓、端部坡口、公差、标志和产品质量合格证明书等要求。本标准适用于钢制对焊无
5、缝和焊接管件。2 规范性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。GB/T9118 对焊环带颈松套钢制管法兰GB/T9124 钢制管法兰 技术条件GB/T134012017 钢制对焊管件 技术规范3 类型与代号对焊管件的类型与代号见表1。表1 管件的类型与代号品 种类 型代号无缝管件焊接管件45弯头长半径45ELW45EL3D45E3DW45E3D90弯头长半径90ELW90EL长半径异径90ELRW90ELR短半径90ESW90ES3D90E3DW90E3D180弯头长半
6、径180ELW180EL短半径180ESW180ES异径管(大小头)同心RCWRC偏心REWRE三通等径TSWTS异径TRWTR1GB/T124592017表1(续)品 种类 型代号无缝管件焊接管件四通等径CRSWCRS异径CRRWCRR管帽CWC翻边短节长型LJLWLJL短型LJSWLJS注:对于特殊角度弯头,可采用角度数字加相应的产品类型字母代号表示。4 管件的压力设计4.1 压力等级(额定值)按本标准设计、制造的管件的许用压力额定值,可按与其连接的相同规格、相同材质、壁厚的无缝直管计算。管件上所标志的公称尺寸(或端部外径)、材料等级、壁厚(或管表号)就代表了压力等级的标记。4.2 管件设
7、计4.2.1 管件的设计应保证管件与其连接的相同规格、相同材质和壁厚的无缝直管具有同等的承受内压的能力。4.2.2 按本标准生产的管件,应按以下方法进行设计:a) 按附录A的规定进行验证性压力试验并由此确定管件的壁厚值。必要时,应提供相应的验证性压力试验报告及记录以供验证。b) 根据需要,用户可要求成品管件符合附录B中规定的最小壁厚要求,并在合同或产品标记上注明:GB/T12459-B。c) 根据需要,用户也可要求成品管件按相应的压力管道规范给出的数学分析法或其他应力分析法进行管件设计,但应在合同或产品标记上注明GB/T12459-C。为满足这一要求,管件制造商应提供设计图样和计算书由需方批准
8、。4.2.3 在制造商的工厂应能得到数学分析、基本设计计算或成功的液体爆破验证结果的报告,供采购方检查。5 管件尺寸5.1 标准尺寸5.1.1 管件的公称尺寸用DN或NPS表示。两者之间的关系见管件尺寸表中的“公称尺寸”栏。5.1.2 本标准的管件端部外径分为、两个系列。系列为通用系列,属推荐选用系列;系列为非通用系列。5.1.3 长半径90和45弯头尺寸见图1和表2,长半径90异径弯头尺寸见图2和表3,长半径180弯头尺寸见图3和表4,短半径90弯头尺寸见图4和表5,短半径180弯头尺寸见图5和表6,90和453D2GB/T124592017弯头尺寸见图6和表7,等径三通和四通尺寸见图7和表
9、8,异径三通和四通尺寸见图8和表9,翻边短节尺寸见图9和表10,管帽尺寸见图10和表11,异径管尺寸见图11和表12。图1 长半径90和45弯头表2 长半径90和45弯头尺寸公称尺寸坡口处外径D/mm中心至端面DNNPS系列系列90弯头A/mm45弯头B/mm151/221.3183816203/426.925381925133.732382232142.438482540148.345572950260.357763565273.076954480388.98911451903101.6133571004114.3108152641255141.3133190791506168.315922
10、9952008219.121930512725010273.027338115930012323.932545719035014355.637753322240016406.44266102544501845748068628650020508530762318550225598383433GB/T124592017表2(续)公称尺寸坡口处外径D/mm中心至端面DNNPS系列系列90弯头A/mm45弯头B/mm600246106309143816502666099140670028711720106743875030762114347080032813820121950285034864129
11、55339003691413725659503896514486001000401016152463210504210671600660110044111816766951150461168175372712004812191829759130052132119818211400561422213488415006015242286947图2 90长半径异径弯头4GB/T124592017表3 90长半径异径弯头尺寸公称尺寸DNNPS坡口处外径大端D/mm小端D1/mm系列系列系列系列中心至端面A/mm50402160.35748.3457650322160.35742.43876502521
12、60.35733.7327665502273.07660.3579565402173.07648.3459565322173.07642.4389580653288.98973.07611480503288.98960.35711480403188.98948.345114908033101.688.9133906532101.673.0133905032101.660.31331009043114.3101.61521008043114.310888.9891521006542114.310873.0761521005042114.310860.35715212510054141.31331
13、14.31081901259053141.3101.61901258053141.313388.9891901256552141.313373.07619015012565168.3159141.313322915010064168.3159114.31082291509063168.3101.62291508063168.315988.98922920015086219.1219168.315930520012585219.1219141.313330520010084219.1219114.3108305250200108273.0273219.1219381250150106273.02
14、73168.3159381250125105273.0273141.31333813002501210323.9325273.0273457300200128323.9325219.12194575GB/T124592017表3(续)公称尺寸DNNPS坡口处外径大端D/mm小端D1/mm系列系列系列系列中心至端面A/mm300150126323.9325168.31594573503001412355.6377323.93255333502501410355.6377273.0273533350200148355.6377219.12195334003501614406.4426355.637
15、76104003001612406.4426323.93256104002501610406.4426273.02736104504001816457480406.44266864503501814457480355.63776864503001812457480323.93256864502501810457480273.027368650045020185085304574807625004002016508530406.44267625003502014508530355.63777625003002012508530323.93257625002502010508530273.0273
16、7626005502422610559914600500242061063050853091460045024186106304574809146004002416610630406.44269146003502414610630355.63779146003002412610630323.9325914a 尺寸A等于尺寸O的一半。图3 长半径180弯头6GB/T124592017表4 长半径180弯头尺寸公称尺寸坡口处外径D/mmDNNPS系列系列中心至中心O/mm背部至端面K/mm系列系列151/221.31876484720a3/426.92576515125133.7327656543
17、2142.43895706740148.345114838050260.35715210610565273.07619013213380388.989229159159903101.62671841004114.31083052102061255141.31333812622571506168.31594573133082008219.121961041441425010273.027376251851830012323.932591461962035014355.6377106771172240016406.442612198138234501845748013729149255002050
18、8530152410161026550225591676111860024610630182912191229a DN20管件,由制造商自定,O和K值可分别为57mm和43mm。图4 短半径90弯头7GB/T124592017表5 短半径90弯头尺寸公称尺寸坡口处外径D/mmDNNPS系列系列中心至端面A/mm25133.7322532142.4383240148.3453850260.3575165273.0766480388.98976903101.6891004114.31081021255141.31331271506168.31591522008219.121920325010273
19、.027325430012323.932530535014355.637735640016406.442640645018457480457500205085305085502255955960024610630610a 尺寸A等于尺寸O的一半。图5 短半径180弯头8GB/T124592017表6 短半径180弯头尺寸公称尺寸坡口处外径D/mmDNNPS系列系列中心至中心O/mm背部至端面K/mm系列系列25133.73251414132142.43864525140148.34576626150260.357102817965273.07612710010280388.9891521211
20、21903101.61781401004114.31082031591561255141.31332541971941506168.31593052372322008219.121940631331325010273.027350839139130012323.932561046746735014355.637771153354440016406.442681361061945018457480914686697500205085301016762773550225591118838600246106301219914925图6 90和453D弯头9GB/T124592017表7 90和453
21、D弯头尺寸公称尺寸坡口处外径D/mm中心至端面DNNPS系列系列90弯头A/mm45弯头B/mm203/426.925572425133.732763132142.438953940148.3451144750260.3571526365273.0761907980388.98922995903101.62671111004114.31083051271255141.31333811571506168.31594571892008219.121961025225010273.027376231630012323.932591437835014355.6377106744140016406.44
22、261219505450184574801372568500205085301524632550225591676694600246106301829757650266601981821700287117202134883750307622286947800328138202438101085034864259110739003691427431135950389652896120010004010163048126410504210673200132611004411183353138911504611683505145312004812193658151613005213213962164
23、114005614224267176815006015244572189401GB/T124592017图7 等径三通和四通表8 等径三通和四通尺寸公称尺寸坡口处外径D/mm中心至端面DNNPS系列系列主管C/mm支管a,bM/mm151/221.3182525203/426.925292925133.732383832142.438484840148.345575750260.357646465273.076767680388.9898686903101.695951004114.31081051051255141.31331241241506168.31591431432008219.12
24、1917817825010273.027321621630012323.932525425435014355.637727927940016406.442630530545018457480343343500205085303813815502255941941960024610630432432650266604954957002871172052152175030762559559800328138205975978503486463563511GB/T124592017表8(续)公称尺寸坡口处外径D/mm中心至端面DNNPS系列系列主管C/mm支管a、bM/mm9003691467367
25、39503896571171110004010167497491050421067762711110044111881376211504611688518001200481219889838130052132197890814005614221054978150060152411181054a DN650(或NPS26)及其以上的三通和四通,M为推荐值。b 尺寸适用于DN600(或NPS24)及其以下的四通。图8 异径三通和四通表9 异径三通和四通尺寸公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm1515101/21/23/821
26、.31817.2142525151581/21/21/421.313.525252020153/43/41/226.92521.31829292020103/43/43/826.92517.2142929252520113/433.73226.9253838252515111/233.73221.318383821GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm32322511142.43833.7324848323220113/442.43826.9254848323215111/242.438
27、21.318484840403211148.34542.438575740402511148.34533.7325757404020113/448.34526.9255757404015111/248.34521.318575750504022160.35748.345646050503222160.35742.438645750502522160.35733.7326451505020223/460.35726.925644465655022273.07660.357767065654022173.07648.345766765653222173.07642.4387664656525221
28、73.07633.732765780806533288.98973.076868380805033288.98960.357867680804033188.98948.345867380803233188.98942.4388670909080333101.688.99592909065332101.673.09589909050332101.660.39583909040331101.648.3957910010090443114.3101.610510210010080443114.310888.9891059810010065442114.310873.07610595100100504
29、42114.310860.3571058910010040441114.310848.34510586125125100554141.3133114.310812411712512590553141.3101.612411412512580553141.313388.98912411112512565552141.313373.07612410831GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm12512550552141.313360.357124105150150125665168.3159
30、141.3133143137150150100664168.3159114.310814313015015090663168.3101.614312715015080663168.315988.98914312415015065662168.315973.076143121200200150886219.1219168.3159178168200200125885219.1219141.3133178162200200100884219.1219114.310817815620020090883219.1101.617815225025020010108273.0273219.12192162
31、0325025015010106273.0273168.315921619425025012510105273.0273141.313321619125025010010104273.0273114.3108216184300300250121210323.9325273.027325424130030020012128323.9325219.121925422930030015012126323.9325168.315925421930030012512125323.9325141.3133254216350350300141412355.6377323.932527927035035025
32、0141410355.6377273.027327925735035020014148355.6377219.121927924835035015014146355.6377168.3159279238400400350161614406.4426355.6377305305400400300161612406.4426323.9325305295400400250161610406.4426273.027330528340040020016168406.4426219.121930527340040015016166406.4426168.31593052644504504001818164
33、57480406.4426343330450450350181814457480355.6377343330450450300181812457480323.9325343321450450250181810457480273.027334330845045020018188457480219.121934329841GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm500500450202018508530457480381368500500400202016508530406.442638135
34、6500500350202014508530355.6377381356500500300202012508530323.9325381346500500250202010508530273.027338133350050020020208508530219.1219381324550550500222220559508419406550550450222218559457419394550550400222216559406.4419381550550350222214559355.6419381550550300222212559323.94193715505502502222105592
35、73.0419359600600550242422610559432432600600500242420610630508530432432600600450242418610630457480432419600600400242416610630406.4426432406600600350242414610630355.6377432406600600300242412610630323.9325432397600600250242410610630273.0273432384650650600262624660610495483650650550262622660559495470650
36、650500262620660508495457650650450262618660457495444650650400262616660406.4495432650650350262614660355.6495432650650300262612660323.9495422700700650282826711660521521700700600282824711720610630521508700700550282822711559521495700700500282820711720508530521483700700450282818711720457480521470700700400
37、282816711720406.442652145751GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm700700350282814711720355.6377521457700700300282812711720323.9325521448750750700303028762711559546750750650303026762660559546750750600303024762610559533750750550303022762559559521750750500303020762508
38、559508750750450303018762457559495750750400303016762406.4559483750750350303014762355.6559483750750300303012762323.9559473750750250303010762273.05594608008007503232308137625975848008007003232288138207117205975728008006503232268136605975728008006003232248138206106305975598008005503232228135595975468008
39、00500323220813820508530597533800800450323218813820457480597521800800400323216813820406.4426597508800800350323214813820355.6377597508850850800343432864813635622850850750343430864762635610850850700343428864711635597850850650343426864660635597850850600343424864610635584850850550343422864559635572850850
40、500343420864508635559850850450343418864457635546850850400343416864406.463553390090085036363491486467366090090080036363291481367364861GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm9009007503636309147626736359009007003636289147116736229009006503636269146606736229009006003636
41、24914610673610900900550363622914559673597900900500363620914508673584900900450363618914457673572900900400363616914406.467355995095090038383696591471171195095085038383496586471169895095080038383296581371168695095075038383096576271167395095070038382896571171164895095065038382696566071164895095060038382
42、496561071163595095055038382296555971162295095050038382096550871161095095045038381896545771159710001000950404038101696574974910001000900404036101691474973710001000850404034101686474972410001000800404032101681374971110001000750404030101676274969810001000700404028101671174967310001000650404026101666074
43、96731000100060040402410166107496601000100055040402210165597496481000100050040402010165087496351000100045040401810164577496221050105010004242401067101676271110501050950424238106796576271110501050900424236106791476271171GB/T124592017表9(续)公称尺寸DNNPS坡口处外径主管D/mm支管D1/mm系列系列系列系列中心至端面主管C/mm支管a、bM/mm1050105085042423410678647627111050105080042423210678137627111050105075042423010677627627111050105070042422810677117626981050105065042422610676607626981050105060042422410676107626
