小制作管件法蘭短管連接

1、1 范 圍1.1 本標準規(guī)定了石油化工裝置配管設計過程中B系列國標管件之間及其與JB鋼制管法蘭和短管間的最小連接尺寸。1.2 本標準適用于石油化工裝置配管設計過程中DN15DN40 B系列和DN40DN500 B系列國標管件及其與JB鋼制管法蘭之間連接。1.3 本標準不適用上述管件與ANSI法蘭、SH法蘭之間的連接。2 一般規(guī)定2.1 本標準中所采用的各類管道組成件應符合以下規(guī)定管件：鋼制對焊無縫鋼管GB/T124592005（B系列）鋼制承插焊管件 GB/T1438393（B系列）鋼板制對焊管件 GB/T134012005（B系列）法蘭：凸臺面板式平焊鋼制管法蘭 JB/T8194（系列2）凸

2、臺面對焊鋼制管法蘭 JB/T82.194（系列2）凹凸面對焊鋼制管法蘭 JB/T82.194（系列2）環(huán)連接面對焊鋼制管法蘭JB/T82.494（系列2）2.2 管子壁厚應符合石油化工企業(yè)鋼管尺寸系列（SH3405）的規(guī)定。2.3 對焊件之間的焊縫間隙按零計算。2.4 有關彎頭的連接尺寸均以長半徑彎頭（L）的基準進行計算；使用短半徑彎頭（S）時，需要重新計算。2.5 法蘭與三通之間的連接尺寸“H”或“J”是以等徑三通的尺寸（M值）算出的；使用異徑三通時，需重新計算，即三通M值與法蘭D值（E值）之和。2.6 平焊法蘭之間的連接按單頭螺栓考慮，對焊法蘭之間的連接按雙頭螺柱考慮，雙頭螺柱的螺母為加厚

3、型。3 符號說明3.1 在各個管道連接最小尺寸中使用的符號規(guī)定如下：L 長半徑（R=1.5DN）90°對焊彎頭尺寸；S 短半徑（R=1DN）90°對焊彎頭尺寸；D 平焊法蘭加短管的最小尺寸；E 對焊法蘭的最小尺寸；F 按長半徑彎頭尺寸和“D”值確定的最小尺寸；G 按長半徑彎頭和“E”值確定的最小尺寸；H 按等徑三通尺寸和“D”值確定的最小尺寸；J 按等徑三通尺寸和“E”值確定的最小尺寸；SO 平焊法蘭WN 對焊法蘭3.2 各類閥門尺寸所使用的符號規(guī)定如下：L 分別為“Z41”，“J41”和“H44”型閥門的結構長度；H 為閘閥或截止閥閥桿全開時的高度或止回閥的凸起部高度；D

4、0 手輪直徑。4管道連接最小尺寸41DN15承插件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN2.5PN4.0PN4.0PN4.0PN6.3PN6.3PN10PN16A959595959595105105105110B141616161824.526.530.5C1214D6060E353535354854.554.556.5F100100G115115115115130140140150HJKN螺栓直徑M12X40M12X50M12X60M12X70M12X70M12X70M12X70M12X85M12X85

5、M16X10螺栓數(shù)量4444444444閘閥 L130130130130130170170170170H250250235235235235235250250Do160160200200200200200200200截止閥L100100130130130170170170170H111111230220220220220231240Do6565120200200200200200200止回閥42DN20 承插件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3P

6、N10PN16A105105105105105105125125125130B141616162026.528.532.5C1416D6060E383636365662.562.561.5F100100G130130130130150150150150HJKN螺栓直徑M12X50M12X50M12X60M12X70M12X70M12X70M12X80M12X95M16X100M20X11螺栓數(shù)量4444444444閘閥 L150150150150150190190190190H305305284284284284284288280Do160160250250250250250250250截止閥

7、L150150150150150190190190190H132132275258258258258306272Do6565140250250250250250250止回閥43 DN25 承插件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A115115115115115115135135135140B141616162228.530.534.5C1416D6060E403838385864.564.561.5F110110G1301

8、30130130150160160160HJKN螺栓直徑M12X50M12X60M12X60M12X70M12X70M12X70M16X80M16X100M16X100M20X120螺栓數(shù)量4444444444閘閥 L160160160160160210210210210H330330303303303303303310310Do180180250250250250250250250截止閥L160160160160160210210210210H142142295272272272272306295Do8080160250250250250250250止回閥160160160210210H14

9、514514514514544DN40承插件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A145145145145145145165165165175B161818182430.532.538.5C1416D6060E454848486874.576.571.5F130130G140150150150170170180170HJKN螺栓直徑M16X60M16X60M16X70M16X80M16X80M16X80M20X100M20X

10、115M20X110M24X140螺栓數(shù)量4444444444閘閥 L240240200200200240240260260H425425358358358358358395395Do200200300300300300300300350截止閥L200200200200200260260260260H203203354323323323323380375Do160160200300300300300350350止回閥200200200260260260260H16016016016216245DN40對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭

11、梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A145145145145145145165165165175B161818182430.532.538.5C1820D7070E454848486874.576.571.5F110110G102105105105125132134129H127127J102105105105125135134129K7575N100105105105125130135130螺栓直徑M12X50M12X60M12X60M12X70M12X70M12X70M16X80M16X100M16X10

12、0M24X140螺栓數(shù)量4444444444閘閥 L240240200200200240240260260H425425358358358358358395395Do200200300300300300300350350截止閥L200200200200200260260260260H203203354323323323323380375Do160160200300300300300350350止回閥200200200260260H16016016016016246DN50對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN

13、1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A160160160160160160175175195215B1620202026343644C1822D7080E4848484870788098F110110G124124124124146154156174H134144J112112112112134142144162K7580N105105105105125130130155螺栓直徑M16X60M16X70M16X70M16X80M16X80M16X80M20X100M20X110M22X120M22X140螺栓數(shù)量4444444444閘閥 L

14、250250250250250250250300300H402402415415415415415467467Do200200350350350350350400400截止閥L230230230230230300300300300H230230412373373373373430455Do180180240350350320320400400止回閥230230230300300300300H17716016017717721021047DN65對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5P

15、N4.0PN4.0PN6.3PN6.3PN10.0PN16.0A180180180180180180200200220245B1822222228364052C2024D7080E50525252758392113F165175G143147147147170178187208H146156J126128128128151159168189K95100N125130130130150160170190螺栓直徑M16X60M16X70M16X80M16X90M16X90M16X90M20X10M20X12M22X13M27X16螺栓數(shù)量4448888888閘閥 L2652652652802802

16、80280280340H402402452548548473473545620Do200200240240240280280480400截止閥L290290290290290340340340H260260445433433430430462Do180180240280280320320450止回閥290290290340340340H18519219219719722748DN80對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0

17、A195195195195195195210210230260B2020242430384254C2024D7080E52555858758398118F184194G166169172172189198212232H156166J138141144144161169184204K95100N130130135135150160165195螺栓直徑M16X60M16X70M16X80M16X90M16X90M16X90M20X11M20X12M22X14M27X17螺栓數(shù)量4888888888閘閥 L280280280310310310310310390H5265265306006005465

18、46605680Do240240280280280320320320400截止閥L310310310310310380380380H385385460468468465465595Do200200320320320360360360止回閥310310310380380380380H19518518521221223523549DN100對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A21521521523023023025025

19、0265300B2024262632404656C2226D110110E606268688088108128F262262G212214220220232240260280H215215J165167173173185193213233K100105N135140145145155165185205螺栓直徑M16X70M16X80M16X80M20X10M20X10M20X10M22X12M22X13M27X16M30X19螺栓數(shù)量8888888888閘閥 L300300300350350350350350450H588588620684684633633665680Do2402403203

20、20320360360400400截止閥L350350350350350430430430H430430524500500550550671Do280280360360360450450450止回閥350350350430430430430H217220220248248272274410DN125對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A245245270270270270295295310355B22262828364

21、45068C2428D110110E6068686898106123148F300300G250258258258288296312338H234234J184192192192222230246272K100105N135145145145175180200225螺栓直徑M16X70M16X80M16X90M22X11M22X11M22X11M27X13M27X15M30X17M36X22螺栓數(shù)量8888888888閘閥 L325325325400400400400400525H740740756776776772772780900Do360360360360360400400400560截

22、止閥L400400400400400H477477510510510Do280280400400400止回閥400400400500500H250265265296296411DN150對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A280280280300300300340340350390B2228303038465476C2428D110110E60727272108116138165F339339G28930130130

23、1337345367394H253253J203215215215251259281308K100105N135150150150185195215240螺栓直徑M20X80M20X80M20X90M22X11M22X12M22X12M30X14M30X17M30X19M36X24螺栓數(shù)量888888881212閘閥 L350350350450450450450450600H720720845900900892892980985Do360360360360360450450400560截止閥L480480480480480550550H575575674674674715715Do320320

24、400400400450450止回閥480480480550550550550H290276276330330350340412DN200對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A335335335360375375405405430480B2430383844526289C2430D110110E62808888116124153196F415415G367385393393421429458501H288288J240

25、258266266294302331374K105110N145160170170200205235275螺栓直徑M20X80M20X90M20X10M22X11M27X14M27X14M30X16M30X18M36X21M42X27螺栓數(shù)量8121212121212121212閘閥 L400400400550550550550550750H88588510411110111011001100972160Do400400400450450450450560720截止閥L600600600600600H873873806806806Do400400640640640止回閥550550550650

26、650650650H300342342385385374374413DN250 對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A390405405425445445470470500580B2632424248566899C2632D110120E6885102102122130178241F491501G449466483483503511559622H326336J284301318318338346394457K12012

27、5N160175195195215220270335螺栓直徑M20X80M22X90M22X10M27X13M30X16M30X16M36X17M36X20M36X23M48X30螺栓數(shù)量12121212121212121212閘閥 L450450450650650650650H1098109812441348134813721372Do450450450560560560560截止閥L650650650H880880880Do720720720止回閥650650650775775775775H401401401445445450500414DN300 對焊件配管連接最小尺寸 單位：mm 壓力

28、等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A440460460485510510530530585665B28364646546278114C2832D110120E7092116116136144203289F567577G527549573573593601660746H364374J324346370370390398457543K130135N170195220220240245305390螺栓直徑M20X80M22X90M22X11M27X13M30X1

29、6M30X16M36X19M36X21M42X250螺栓數(shù)量121212161616161616閘閥 L500500500750750750750H1232123214741348134816801680Do560560560560560640640截止閥L750750750H975975975Do800800800止回閥750750750900900900900H441440440460460505505415DN350 對焊件配管連接最小尺寸 單位：mm 壓力等記 號 級凸臺面平焊法蘭凸臺面對焊法蘭凹凸面對焊法蘭梯形槽面對焊法蘭PN1.0PN1.6PN1.6PN2.5PN4.0PN4.0PN6.3PN6.3PN10.0PN16.0A500520520550570570595595665B32405252606887C2834D110120E7898120120154162221F643653G611631653653687695754H389399J357377399399433441500K135140N185205225225260270330螺栓直徑M20X80M22X10M22X12M30X15M30X18M30X18M36X20M36M48螺栓數(shù)量161616161616161616閘閥 L550550550850850850850H1419141