din2848-2002钢制法兰管和有衬里的钢制及铸铁制法兰管件.pn10、pn25和pn

《din2848-2002钢制法兰管和有衬里的钢制及铸铁制法兰管件.pn10、pn25和pn》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、DIN2848-2002钢制法兰管和有衬里的钢制及铸铁制法兰管件.PN10、PN25和PN40DEUTSCHENORMJune2002Lined?angedsteelpipesand?angedsteelorcastiron?ttingsratedforpressuresof10bar(PN10),25bar(PN25)and40bar(PN40)ICS23.040.60Flansch-RohreausStahlundFlansch-FormstückeausStahlundGusseisenmitAuskleidung–PN10,PN25undPN40{2848SupersedesDece

2、mber1993edition.InkeepingwithcurrentpracticeinstandardspublishedbytheInternationalOrganizationforStandardization(ISO),acommahasbeenusedthroughoutasthedecimalmarker.ContentsPageForeword....................................................11Scope....................................................22No

3、rmative———————————————————————————————————————————————references.......................................23Concepts..................................................34Dimensionsanddesignations.................................34.1Flangedelbows............................................44.2Flangedtees

4、..............................................64.3Flangedtapers.............................................84.4Reducers.................................................104.5Spacers..................................................184.6Blank?anges..............................................244.7F

5、langedpipes.............................................264.8Instrumentnozzles.........................................28———————————————————————————————————————————————5Tolerancesandlimitdeviations...............................315.1Angularitytolerance.........................................315.2L

6、imitdeviationsforlengthl8(pipes)............................335.3Limitdeviationsforlengthsl1tol7,l9andl10(?anged?ttings)........335.4Limitdeviationsfor?anges...................................336Wallthickness.............................................336.1Wallthicknessofsteelcomponents...........

7、.................336.2Wallthicknessofcastironcomponents.........................336.3Liningthickness............................................347Materials..................................................