压力管道培训之材料4应用标准体系（Materials for pressure piping training 4 application standard system）

压力管道培训之材料4应用标准体系(Materialsforpressure

pipingtraining4applicationstandardsystem)

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Pressurepipingmaterialpart

Fourthchapters

Applicationstandardsystem

Firstpages,13Pages

4applystandardsystem,4.1commonlyusedstandardsystemin

theworld

Germany4.1.1(DIN)andtheformerSovietUnion(gammaOCT)

usingthestandardsystemofGermany(DIN)andtheformerSoviet

Union)(DIN)4.1.2America(ANSI)applicationstandardsystem

applicationstandardsystem4.1.3ofJapan(JIS)application

standardsystemapplicationstandardsystemof4.1.4

InternationalOrganizationforStandardization(ISO)

applicationofthestandardsystemofinternationalstandard

(British)4.1.5Organization(BS)andFrance(NF)byBritish

standardsystem(BS)andFrance(NF)(BS)andFrance(NF)

applicationstandardsystem

4.2standardsystemcommonlyusedinChina

4.2.1petrochemicalpetrochemical(SH)industrystandard

systemrelativelycompleteseriesofindustrystandard

relativelycompletesystemofindustryapplicationseries

4.2.2standardsystemofChemicalTechnology(HG)industry

standardsystemisthemostcompleteseriesofindustry

applicationstandardsystem-themostcompleteseriesof

industrystandard4.2.3mechanicalsystem(JB)applicationthe

standardsystemisnotperfectseriesofindustrystandard

systemisnotperfectthestandardsystemof4.2.4seriesof

industryapplicationofnationalstandardsystem(GB)

applicationstandardsystemstandardsystemstandardsystem

applicationapplicationstandardrelativelycompletesystemof

relativelycomplete4.2.5pressurepipestandardsystem

applicationcompatibility

Pressurepipingmaterialpart

Fourthchapters

Applicationstandardsystem

Secondpages,13Pages

Four

Applicationstandardsystem

Atpresent,mostpressurepipesandtheircomponentshavebeen

serializedandsupportedbycorrespondingapplication

standards

Selectionofpipelinematerialdesignshouldfirstconsiderthe

questionisaseriesofpressurepipingandcomponentsstandard.

Theapplicationofstandardsystem.Apipesystem(Road)set

standardsforeachelement.Thesestandardsshouldincludepipe

fittingsseriesseriesstandard,standard,andflange

connectorseriesstandard,standardvalves.Thesestandards

areusedinapipelinethroughcertainrules,theirmutual

connection,mutualcooperation,andbasicparametersofthe

pipelineanditscomponentsaredetermined.Thesestandards

especiallyinstandardpipeandflangeandflangestandard

standardquasiGuanZibiaothemostrepresentative,whichis

thebasisofstandardpipeflangestandardanditsapplication

standard.Belowthestandardpipeandflangestandard,

applicationstandard.Atpresent,therearemanycountriesin

theworldontheapplicationofstandardsystem,different

countriesanddifferentindustrieshaveTheapplicationof

differentstandardsandstandards,somealotofdifference

betweenthem,andthusnotsupportingtheuseofswaptoalot

oftroubletotheuser.Therefore,thefirststepistochoose

thedesignofpressurepipingapplicationsstandardsystem,and

asaunifieddesign,soastoavoidtherelevantprofessional

standardsforothersystemusesnotinterchangeableandlead

toerrors.Theapplicationofstandardsofdifferentcountries

canbedividedintotwocategories.Thepipesthatthepipe

diameterisdividedintoseriesofinternationalgeneralseries

(largediameterseries)inchpipe;thepipediameterisdivided

intoseriesofInternationalSeries(InternationalSeries)

inchtube;commonlyusedseriesofdomestic(commonlyused

seriesofdomestic(smalldiameterseries)

DN

Internationalanddomestic

Metric(ormetrictubes)metrictubes(ormetrictubes)

350356377400406426,450457480500508530,600610630

152218

202725

253432

324238

404845

506057

657673

808989

100114108

125140133

150168159

200219219

250273273

300324325

TheEuropeanandAmericanflangeflangeflangepressurerating:

PN0.10.250.611.62.546.

310.025.040.0mpaand16.0欧式法兰（din）压力等级：pn2.0

cl1503006.85.010.025.015.0400600900150042.02500

mpapsi美式法兰（ansi）

由此可以看出，无论是法兰还是管子，上述两个系列或两个体系是

不能混合使用的.由此可以看出，无论是法兰还是管子，上述两个

系列或两个体系是不能混合使用的.

ansiastm美国国家标准化组织.americansocietyoftesting

materials,美国材料实验协会

♦钢管壁厚表示方法钢管壁厚表示方法有管子表号，钢管壁厚尺

寸钢管壁厚表示方法有管子表号，钢管壁厚尺寸和管子重量三种方

法管子表号1）是以管子表号〃sch〃表示壁厚.管子表号是管子

设计压力与设计温度下材料许用应力的比值乘以1000,并经圆整后

的

压力管道材料部分

第四章

应用标准体系

第3页共13页

数值.即：sh=p/[6]tX1000ansib36.10壁厚等级：schlO,

sch20,sch30,sch40,sch60,sch80,schlOO,schl20,schl40,

schl60十个等级；ansib36.19壁厚等级：sch5s,schlOs,sch40s,

sch80s四个等级；2）以钢管壁厚尺寸表示中国，iso,日本部分钢

管标准采用

3）是以管子重量表示管壁厚度，它将管子壁厚分为三种：a.标准重

量管，以std表示b加厚管，以xs表示c.特厚管，以xxs表

示.对于dnW250mn的管子，sch40相当于std,dn（200mm的管

子，sch80相当于xs.4.1国际上常用的标准体系随着我国对外改

革开放和加入wto,各行业与国际上联系越来越多，为了更好地与

国际接轨，就要求从事压力管道设计的人员对国际上通用的和先进

的相关标准体系有所了解.下面介绍几个主要的应用标准体系.

4.1.1德国及前苏联应用标准体系a.德国（din）♦管子：大外径

系列♦管法兰：欧式法兰压力等级：pn

0.1,0.25,0.6,1.0,1.6,2.5,4.0,6.4,10.0,16.0,25.0,32.0,40.0,,

,,,,公称直径：dn6〜4000mm法兰密封面：平面，凸台面，凸面，

梯槽面，橡胶环连接面，法兰密封面：平面，凸台面，凹凸面，梯

槽面，橡胶环连接面，透镜面及膜片焊接面7种法兰型式：平焊

板式，平焊松套式，翻边松套式，对焊翻边松套式，对焊环翻边松

套式，法兰型式：平焊板式，平焊松套式，翻边松套式，对焊翻边

松套式，对焊环翻边松套式，对焊式，螺纹连接式，对焊式，螺纹

连接式，整体式及法兰盖9种♦常用的标准

din2410.t.1din2448din2458din2500din2501.t.1din2519管子

及钢管标准概述无缝钢管尺寸及单位长度质量焊接钢管尺寸及

单位长度质量法兰法兰一般说明连接尺寸

13个等级

钢法兰交货技术条件

压力管道材料部分

第四章带螺纹的钢管配件

应用标准体系

第4页共13页

din2980

b.前苏联（Foct）前苏联（）♦管子：小外径系列♦管法兰：

欧式法兰压力等级：pn

0.1,0.25,0.6,1.0,1.6,2.5,4.0,6.4,10.0,16.0,20.0,,,,,公称直

径：dn6~3000mm法兰密封面：全平面，凸台面，凹凸面，聚四氟

乙烯用桦槽面，法兰密封面：全平面，凸台面，凹凸面，聚四氟乙

烯用梯槽面，透镜面及椭圆型环连接面7种法兰型式：平焊板式，

Sliponloose,loosetypeflange,welded,threadedconnection,

flangetype:flatplatewelding,sleevetype,flangesleeve

type,welded,threaded,integralandflange7.Germanyandthe

formerSovietUnionDINstandardpipeflangepipeflange

standardgammaOCTcanbeusedinpairsPNislessthanorequal

to16grade,buthasnotinterchangeable（becauseofoversize

different）.WiththedisintegrationoftheformerSovietUnion,

theapplicationofstandardsystemofgammaOCTiscurrently

intheinternationalengineeringhavebeenrarelyused.The

applicationof4.1.2standardsystemofAmericanStandard

SystemApplication(ANSI)AmericannationalstandardANSI

B16.5'steelpipeflangesandflangedfittings“isarelatively

complete,matureandinternationalpopular,universaladvanced

standards.ThestandardsandotherrelatedANSI,API,ASTM,MSS

standardsystemapplicationofpressurepipeformedbyalarge

numberoftestOnthebasisofexperimentalresearch,andhas

experienceddecadesofpractice,soitisascientificand

advancedstandard,andiswidelyaccepted.Thevarious

countries:largediameterpipeseries(ANSIB36.10andANSI

B36.19)JBserieswithour11gradesize

Nominaldiameterrange:(DN6"DN2000)mmwallthickness:1)is

arepresentationwiththetablenumber"Sch"wallthickness;

2)issaidtothepipewallthicknessofpipeweight.Thepipe

flangeflange:Americanpressurerating:150300400600900150CL

2500Psi7grades

Nominaldiameter:DN15〜600mmflangesealingsurface:convex

concaveandconvexsurfaces((table),convexsurface,groove,

metalringconnectionflangesealingsurface:convextable(RF)

convexsurface(MF)groove(TG)metalringjointface,tongue

andgrooveface)(),flangetype:flattypetype:flattype,

flanged,socketwelding,buttwelding,threadedconnection,

flangecoverandsleevetype

TheUnitedStateshasusedthestandardANSIstandardsystem

application:ANSI/ASMEB36.10ANSI/ASMEB36.19ANSI/ASMEB16.9

seamlessandweldedsteelpipeweldedsteelpipeandstainless

steelseamlesssteelpipefittingsmanufacturingfactory

4

6

Pressurepipingmaterialpart

Fourthchapters

Applicationstandardsystem

Fifthpages,13Pages

ANSI/ASMEB16.11ANSI/ASMEB16.28ASME/ANSIB16.34ASME/ANSI

B16.5ASME/ANSIB16.36ASME/ANSIB16.42ASME/ANSIB16.47

ASME/ANSIB16.20ASME/ANSIB16.21ASME/ANSIB18.2.1ASME/ANSI

B18.2.2APIstd605APIstd526APIstd598APIstd599APIstd600

APIstd602APIstd603APIstd608APIstd609APIstd6DMSSSP-44

Socketweldingandthreadedfittingsforgingsteelbuttwelding

ofsmallradiuselbowandbackelbowflangeconnection,

threadedconnectionandweldingconnectionvalvepipeflanges

andflangedfittingsorificeflangenodularcastironflanges

andflangedfittingsoflargediametersteelpipeflangewith

flangewinding,coatedgasketandringwithmetalgasketsfor

pipeflangesnonmetallicflatgasketssixsquareandhexagon

headboltsandscrewnutsixsquareandhexagonheadflange,

flangecoverflangesteel1eakageinspectionandtestpressure

valveflangeconnectionsandweldingmetalplugconnection

flangeandbuttwelding.Thesteelgateofsmallsteelgate

(compactmetalgate)theballtypelug150poundsofcorrosion

inflangeconnectionvalveflangeandbuttweldingandhubbed

flangetoclamptypebutterflyvalvepipevalvespecification

4.1.3JapanJapanstandardsystemapplicationapplication

standardsystem(JIS)-tube:largediameterseries(JISG3454,

JISG3458,JISG3459)andmostofthesameANSI

Seamlesssteelpipe:nominaldiameter(DN6"DN650mm)said:the

methodofseamlesssteelpipewallthicknesspipeschedule

number"Sch"representsthethicknessofcarbonsteelandalloy

steelJISG3454,JISG3458:SchlO,Sch20,Sch30,Sch40,Sch60,

Sch80,SchlOO,Schl20,Schl40,Schl60JISG3459:Sch5s

stainlesssteelgrade,

schlOs,sch20s,sch40s,sch80s,schl20s,schl60s7个等级；10

压力管道材料部分

第四章

应用标准体系

第6页共13页

焊接钢管公称直径：(dn350~dn2000)mm焊接钢管壁厚表示方法：

直接用壁厚数值表示.♦管法兰：(jisb2201,jisb2220等)自

成体系，既不属于〃美式法兰〃，也不属于〃欧式法兰〃公称直径：

(dnlO"dnlOOO)mm公称压力等级：2k,5k,10k,consequently,20k,

30k,40k,63k共8个等级

法兰密封面：法兰密封面：光滑面，大凸台面，小凸台面，凹凸面，

梯槽面5种，法兰型式：平焊式，法兰型式：平焊式，承插焊式，

对焊式，螺纹连接式，松套式及法兰盖6种

Xjis应用标准体系与ansi和din等都不能配套使用.为了弥补

这个缺陷，日本石油学会编制了一套jpi标准，它基本上等效采

用了ansi/api应用标准体系，故它能与ansi互换.♦日本应用

标准体系jis中常用的标准有：

jisg3452jisg3454jisg3455jisg3456jisg3457jisg3458jis

g3459jisg3468jisb2201jisb2202jisb2210jisb2220jisb2302

jisb2311jisb2312jisb2313jisb2316jisb2401jisb2404普

通用途碳钢管承压用碳钢管承压用碳钢管高温用碳钢管电弧焊

碳钢管合金钢管不锈钢钢管电弧焊大直径不锈钢钢管铁素体材

料管法兰压力等级管法兰尺寸铁素体材料管法兰基础尺寸钢制管

法兰钢制螺纹连接管件普通用途的钢制对焊管件钢制对焊管件

钢板制对焊管件承插焊管件。形环管阀兰用缠绕式垫片

压力管道材料部分

第四章压缩石棉垫片

应用标准体系

第7页共13页

jisb3453

4.1.4国际标准化组织（iso）的应用标准体系国际标准化组织（）

♦管子：基本上属大外径系列（iso4200）**标准（iso4200）系

列1基本上采用了ansi的尺寸，仅dn>1100mm时（已不太常用）

则使用了〃小外径系列〃的尺寸.♦管法兰：同时包括了〃美式法

兰〃和〃欧式法兰〃两个系列.（iso7005-1）它代表了当前世界法

兰标准的应用趋势.公称压力等级：第一系列：pn

1.0,1.6,2.0,5.0,11.0,15.0,26.0,42.0第二系列:pn

0.25,0.6,2.5,4.0共4个等级.8个等级；

第一系列为基本系列，第二系列为限制系列.

X两个系列中：pnO.25,pnO.6,pnl.0,pnl.6,pn2.5,pn4.0六

个等级属〃欧式法兰〃

pn2.0,pn5.0,pnl1.0(600psi),pnl5.0,pn26.0(1500psi),

Pn42.0属〃美式法兰〃；二者在结构尺寸和密封面尺寸上不能互换

的.♦iso应用标准体系中常用的标准有：

iso6708iso7268iso4200isoll27iso3183is06759iso7005-1

iso7483iso3419iso5251iso7121isol0497管件公称尺寸定义管

件公称压力定义焊接和无缝平端钢管不锈钢钢管尺寸和单位长

度

尺寸公差和单位长度质量

石油和天然气工业用钢管热交换器用无缝钢管金属管法兰符合

iso7005标准的管法兰密封垫片非合金钢和合金钢管件不锈钢对

焊管件法兰型钢制球阀阀门试验防火试验要求

4.1.5英国和法国应用标准体系a.英国应用标准体系(bs)♦管

子：大外径系列

压力管道材料部分

第四章

Applicationstandardsystem

Eighthpages,13Pages

BS1600

ItsdiameterrangeandwallthicknessaregradedwithANSI

B36.10/B36.11;

BS3600isbasicallythesameasusingtheISOstandard,the

rangeofdiameterandwallthicknessoftheflangewithIS04200.

gradingcriteria:includingthe''Americanflange"and

''Europeanflange"twoseries.BS1560BS4504isbasicallythe

sameasthestandardANSI,thestructureandsealtypewithANSI

B16.5;basicallyidenticalwiththetheDINstandard,the

structureandsealtypewithDIN2500.

Theoilindustrywiththesizeofthesteeltubeconfinedby

thesizeandmassofunitlengthpressureweldedsteelpipeand

seamlesssteelpipewithstainlesssteelweldedandseamless

steelpipeandthepipeflange(flangedpipeflanges(European

American)flange)forgedsteelpipefittingsbearingfittings

usedinpetroleumindustrypetroleumindustrywithpiecesof

pipethreadandsocketweldingfittings

Acommonstandard-BS:

BS1600,BS3600,BS3605.1,BS1560,BS4504,BS1740.1,BS1965,

BS1640,BS3799

B.Franceappliedstandardsystem(NF)applicationofthe

Frenchstandardsystem(NF)issimilarwiththeBritish

standardsystemapplication.4.2commonlyusedstandardsystem

atpresent,thestandardapplicationofpressurepipelineand

itscomponentsinthecountryalot,butnotcomplete.With

standardpipeflangeasanexample,thecommonstandardisthe

nationalstandard(GB).Machineryindustrystandard(JB),

petrochemicalindustrystandard(SH)andchemicalindustry

standard(HG).Thesestandardshavetheirowntemperature-

pressuregauge,sealingsurfacesizeandpipesize,poor

interchangeabi1itybetweenthem,someevencannotmatchedvery

well.Inordertointroducetheapplicationofthesestandards

thecommonstandardsystemforpressurepipingapplications.

4.2.1petrochemicalindustrystandardsystemapplication-

sizestandards(SH3405)belongtolargediameterseries”

SH3405isequivalenttotheIS04200standard,sowhentheDN

islessthan1100mm,itcanbematchedwiththeANSIB36.1/36.19

standard.SH3405diameterandwallthicknessgrading:

No.1234steeltubetypeausteniticstainlesssteelseamless

steelpipesteelpipeweldingofcarbonsteel,alloysteel

seamlessausteniticstainlesssteel,steelpipenominal

diameterrangeof10~40010~60080^1000150^2000thickness

Sch5sgrade,weldingalloysteelSchlOs,Sch20s,Sch40s,Sch80s,

Sch20,Sch30,Sch40,Sch60,Sch80,SchlOO,Schl20,Schl40,

Schl60,XXS2.0^12mm4.0"18mm

Pressurepipingmaterialpart

Fourthchapters

Applicationstandardsystem

Ninthpages,13Pages

Theflangestandard(SH3406):anominalpressureAmerican

flange”:PN1.0,PN2.0(CL150),PN5.0(CL300),PN6.8(CL400),

PN10.0(CL600),nominalpressurePN15.0(CL900),PN25.0

(CL1500),PN42.0(CL2500):DN15"DN1500mmnominaldiameter

nominaldiameteroftheflangesealingsurfaceconvexthetable,

theflangesealingsurface:whenDN=600,convextable,convex

surface,plane,groove,ringgroove5convexconcaveandconvex

table,thewholeplane,groove,DN=650,1convexconvexmesa

mesa58grades

Flangetype:flangetype:whenDN=600,welding,buttwelding,

socketwelding,threadedconnection,looseweldingbutt

weldingof1DN=650

TheSH3406equivalentusingtheANSIandAPI605standard

B16.5,.SH3406inthestructuresizeandsealtypeonANSIand

B16.5/API605hasgoodinterchangeability,itcanwithANSI,API,

MSSandotherpipingcomponentssupportingtheuseofthe

standard.ButbecauseourmaterialstandardSH3406using

standardmaterialratherthantheUnitedStates(ASTM)

therefore,thetwotemperature-pressuregaugewithalittle

deviation,soinconsideringthetwoexchange,shouldpay

attentiontoandchecktheirtemperature-pressure

correspondingtotheallowablevalue.Thestandardstandard

systemapplicationinpetrochemicalindustry

sh3401sh3402sh3403sh3404sh3405sh3406sh3407管法兰用石

棉橡胶板垫片管法兰用聚四氟乙烯包覆垫片管法兰用金属环垫片

管法兰用紧固件石油化工企业钢管尺寸系列石油化工钢制管法兰

管法兰用缠绕式垫片

sh3408钢制对焊无缝管件sh3409sh3410钢板制对焊管件锻钢制

承插焊管件

石化行业应用标准体系属于一个比较完整的应用标准体系.因为它等

效采用了标准因此代表着先进和发展方向.又由于它的法兰(ansi,

apish3406)能与标准阀门匹配使用.通过近几年的应用证明，这

套应用标准体系是一个科学的，先进的，同时又是可操作性好的标

准体系.4.2.2化工行业应用标准体系♦管子尺寸系列标准

(hg20553):"the系列属于大外径系列〃b:“系列属于小外径系

列〃♦法兰标准同时包含欧式法兰和美式法兰

欧式法兰(欧式法兰(hg20592〜hg20605)〜)

压力管道材料部分

第四章

应用标准体系

1310

压力等级：pn0.25,0.6,1.0,1.6,2.5,4.0,6.3,10.0,16.0,25.0等

10个等级公称直径：dnlO~dn2000mm法兰型式：板式平焊，带颈

平焊，带颈对焊，整体式，承插焊，螺纹，对焊环松套，平焊环松

套，法兰盖，衬里法兰等10种密封面型式：突面，凹凸面，梯槽

面，环连接面，全平面等种5.它可以与阀门配套使用jb.美式

法兰标准(hg20615-hg20626)美式法兰标准公称压力：pn2.0,

pn5.0,pnll.0,pnl5.0,pn26.0和pn42.0公称直径：法兰型式：

dnl5~1500带颈平焊，带颈对焊，整体法兰，承插焊，螺纹，松套

等种6,6个压力等级

密封面型式突面，凹凸面，梯槽面，环连接面，全平面等5种型

式※化工行业压力管道应用标准体系也是一个相对比较完整

的标准体系，而且经历了若干年的生产实践检验，具有成熟的使用

经验.由于它同时具有〃大外径系列〃和〃小外径系列〃，〃欧式法

兰〃和〃美式法兰〃两个系列，故其使用面比较广它既可以与国外

的，ansi,din,iso等标准配合使用又可以与国内的jb,gb,sh,

等标准配合使用.♦化工行业应用标准体系中的常用标准.

hg20537.1hg20553t21634hg/hg/hg/hg/t21632t21635t21631

t21637hg/hg/t21577hg2059220605hg20615~20626

hg2060620612hg2062720633hg20613hg20634奥氏体不锈钢焊接

钢管选用规定化工配管用无缝及焊接钢管尺寸选用系列锻钢制承

插焊管件碳钢，低合金钢元缝对焊管件钢制有缝对焊管件锻钢制

承插焊，螺纹和对焊接管台化工管道过滤器快速特种接头钢制管

法兰（欧洲体系）钢制管法兰（美洲体系）钢制管法兰用垫片（欧

洲体系钢制管法兰用垫片钢制管法兰紧固件（）（美洲体系）欧洲

体系）钢制管法兰紧固件（美洲体系）

4.2.3机械行业应用标准体系

压力管道材料部分

第四章

应用标准体系

1113

♦管子尺寸♦法兰标准

属于〃小外径系列〃欧式法兰

压力等级：pn0.25,0.6,1.0,1.6,2.5,4.0,6.3,10.0,16.0,20.0等

10个压力等级公称直径：dnl5〜dnl600mm法兰型式：整体，板式

平焊，对焊，平焊环板式松套，对焊环板式松套，

Flange,looseflangeandflangecover,suchas7typesof

sealingsurface:flat,convex,concaveandconvexsurface,

tongueandgroovesurface,ringconnectingsurfaceof5

YouJBnopipesizecorrespondingfittingsseriesstandard,

standard,systemisnotperfect,needtosupportGBsystem;JB

standardflangedifferentlevelsofmaterialsincludedinthe

sametemperatureandpressuregauge,andlostitsscientific

nature;JBstandardvalvetogivemodelslimitedselection

series(reflectedfromtheproductassembly),whichlimitsits

use,andlostitsflexibility.Fromtheapplicationofmany

productionequipment,theuseoftheperformanceofJBvalve

isalsounsatisfactory;JBandANSIandthevalvecannotuse,

noteasytointegratewiththeworld;thecommonstandardsof

machineryindustryintheapplicationofstandardsystem:

JB/T74JB/T75JB/T79.T79.4JB/T81JB/T82.1~82.4JB/T83JB/T84

JB/T85JB/T86.「86.2pipeflangetechnicalconditionsof

pipelineflangetypewholecaststeelflangeplateweldedsteel

pipeloosesteelpipeflanges4.0,6.3,10.OMPaweldingring

groovefacelooseplatesteelpipeflangeswith0.25,0.6MPa

flangeloosesteelpipesteelpipeflanges,flangewelding

steelpipeflangeswithflat0.25,0.6,1.0,1.6,2.5MParingtype

flange,

GasketsforJB/4700to4703pressurevesselsflanges,JB/T87〜90,

JB4704〜4706pipeflanges,gasketsforpressurevessels

Applicationof4.2.4nationalstandardsystem-pipesize

standardseriesGB17395"belongstothelargediameterseries.

Theflangestandard(GB/T9112-2000)including:Europeanand

AmericanflangeflangedividedintoseriesI,IIseriesIas

the“bigdiameterseries〃，inordertomatchthestandardof

SHandIIforsmallseries;diameterseries”,inordertomatch

withtheJBstandard.

Pressurepipingmaterialpart

Fourthchapters

Applicationstandardsystem

Twelfthpages,13Pages

Europeanstyleflange:dividedintoseriesI,seriesII,

Europeanstyleflangenominalpressure,nominaldiameter,PN,

0.25,0.6,1.0,1.6,2.5,4.0,6.3,10.0,16.OMPa,DN10~2000mm9

grades

Flangetype:Overall,hubbedthreaded,buttweldingandhubbed

welding,plate,flatplateloosering,buttplateloosering,

flangeringlooseplateflangecoverand9sealtype:plane,

suddensurface,convexsurface,tongueandgroovefaceflange

America:aseriesofI(outerdiameterAmerica)flangenominal

pressurenominaldiameterPN2.0,5.0,11.0,15.0,26.0,42.OMPa

DN10~600mm6grade4.

Flangetype:Overall,hubbedthreaded,buttweldingandhubbed,

hubbedsocketwelding,buttweldingneckflangecoverring

looseand7sealtype:plane,suddensurface,convexsurface,

groove,ringjointface5.

ItcanbasicallycovertheJBstandardandHGstandard''European

system"standard,tocreatetheconditionsforthereplacement

ofthetwostandard;determinethetemperature-pressure

ratingvalueisChinesematerialsandmaterialsandmaterials

inEuropeAmericathe,'Europeanflange"and"American"flanges,

materialperformanceiscompared.TheIS07005-1specifiedin

thecorrespondingmaterialpressuretemperatureparameters.

Thenationalstandardofpressurepipingsystemisarelatively

completestandardsystem.Itisdividedintostandardfittings

A,Btwoseries,Aseries"bigdiameterseries”,inorderto

matchtheSHstandardBseriessmalldiameterseries”,in

ordertomatchwiththeJBstandard.TheChinanationalstandard

systemapplicationstandard

GB12459,GB/T13401,GB/T14626,GB/T14382,GB/T