钢制对焊无缝管件标准

1、对对焊焊无无缝缝管管件件种种类类和和代代号号GB12459-90GB12459-90序序号号品品种种类类别别代代号号标标 示示45度弯头长半径45E(L)45E(L)-65-Sch40-20#90度弯头长半径90E(L)90E(L)-100B-Sch40-20#短半径90E(S)长半径异径90E(L)R180度弯头长半径180E(L)短半径180E(S)异径接头同心R(C)R(C)-10080B-Sch40-20#偏心R(E)R(E)-100A80B-Sch40-20#三通等径T(S)T(S)-100-Sch40-20#异径T(R)T(R)-10010080B-Sch40-20#四通等径CR(

2、S)异径CR(R)管帽CC-65-Sch40-20#说说 明明口径65A系列口径B系列口径100A系列80B系列口径A系列口径B系列对对焊焊无无缝缝管管件件种种类类和和代代号号GB12459-90GB12459-904545度度 9090度度 180180度度 弯弯头头尺尺寸寸公公称称通通径径DNDN端端部部外外径径D D中中心心至至端端面面尺尺寸寸中中心心至至中中心心尺尺寸寸背背面面至至端端面面尺尺寸寸4545度度弯弯头头H H9090度度弯弯头头 F F180180度度弯弯头头 P P180180度度弯弯头头 K KA A系系列列B B系系列列长长半半径径长长半半径径短短半半径径长长半半径

3、径短短半半径径长长半半径径1521.318163876482026.925163876512533.7321638257651563242.4382048329564704048.34524573811476835060.35732765115210210665 76.1(73)764095641911271328088.989471147622915215990101.65513389267178184100114.310863152102305203210125139.713379190127381254262150168.315995229152457305313200219.12191

4、26305203610406414250273273158381254762508518300323.9325189457305914610619350355.63772215333561067711711400406.442625361040612198138134504574782846864571372914914500508529316762508152410161016短短半半径径4545度度 9090度度 180180度度 弯弯头头尺尺寸寸背背面面至至端端面面尺尺寸寸180180度度弯弯头头 K K异异 径径 接接 头头 管管 件件 尺尺 寸寸 GB12459-90GB12459-

5、90 序序号号公公称称通通径径DNDN端端部部外外径径端端部部外外径径长长度度L LD1D1D2D2A A系系列列B B系系列列A A系系列列B B系系列列201526.92521.31838 252033.73226.92551251533.73221.31851322542.43833.73251322042.43826.92551321542.43821.31851403248.34542.43864402548.34533.73264402048.34526.92564401548.34521.31864504060.35748.34576503260.35742.4387650256

6、0.35733.73276502060.35726.92576655076.1(73)7660.35789654076.1(73)7648.34589653276.1(73)7642.43889652576.1(73)7633.73289806588.98976.1(73)7689805088.98960.35789804088.989484589803288.98942.438899080101.688.91029065101.676.1(73)1029050101.660.31029040101.648.31029032101.642.410210090114.3108101.610210

7、080114.310888.910210065114.310876.1(73)7610210050114.310860.35710210040114.310848.345102125100139.7133114.310812712590139.7133101.612712580139.713388.98912712565139.713376.1(73)7612712550139.713360.357127150125168.3159139.7133140150100168.3159114.310814015090168.3101.614015080168.315988.989140150651

8、68.315976.1(73)76140200150219.1219168.3159152200125219.1219139.4133152200100219.1219114.310815220090219.1101.6152250200273273219.1219178250150273273168.3159178250125273273139.4133178250100273273114.3108178300250323.9325273273203300200323.9325219.1219203300150323.9325168.3159203300125323.9325139.4133

9、203350300355.6377323.9325330350250355.6377273273330350200355.6377219.1219330350150355.6377168.3159330400350406.4426355.6377356400300406.4426323.9325356400250406.4426273273356400200406.4426219.1219356450400457.2478406.4426381450350457.2478355.6377381450300457.2478323.9325381450250457.2478273273381500

10、450508529457478508500400508529406.4426508500350508529355.6377508500300508529323.9325508钢钢 制制 无无 缝缝 管管 件件 壁壁 厚厚 分分 级级 表表 mmmm公公称称通通径径DNDN端端部部外外径径D D公公 称称 壁壁 厚厚A A系系列列B B系系列列Sch5sSch5sSch10sSch10sSch20sSch20sSch20Sch20Sch30Sch30Sch40Sch401521.3181.62.12.62.92026.9251.62.12.62.92533.7321.62.83.23.23242

11、.4381.62.83.23.64048.3451.62.83.23.65060.3571.62.83.63.246576.1(73)76233.644.558088.9892344.55.690101.62344.55.6100114.310823455.9125139.71332.93.4556.3150168.31592.93.455.67.1200219.12192.946.36.37.182502732733.646.36.388.8300323.932544.56.36.38.810350355.63774581011400406.44264581012.54504574784581114.250050852955.61012.516Sch60Sch60Sch80Sch80Sch100Sch100Sch120Sch120Sch140Sch140Sch160Sch1603.64.545.64.56.356.357.15.68.87.110811812.58.