专业技术资料平焊法兰尺寸(1.0MPa)公称通径管子法兰螺栓外径外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度法兰厚度螺栓孔直径数量个螺栓长度mm螺栓重量(Dn)((D0))(D)(气)◎fbd101490604021214412x400.281151895654521214412x400.2812025105755521414412x450.32532115856521414412*450.332381351007821618416x500.60140451451108531818416x550.635505716012510031818416x550.635657318014512032018416x600.669808919516013532018416x600.66910010821518015532218816x651.40412513324521018532418816x701.47215015928024021032423820x702.49817519431027024032423820x702.49820021933529526532423820x702.498专业技术资料22524536532529532423820x702.498250273390350320326231220x753.906300325440400368428231220x804.065350377500460428428231620x805.42400426565515482430251622x857.112450478615565532430252022x858.89500529670620585432252022x908.89600630780725685536302027x10517.595平焊法兰尺寸(1.6MPa)管子法螺栓公螺栓连接连接法兰螺栓数螺螺称外外孔中凸出凸出厚度孔直量栓栓通径径心圆部分部分径长重径直径直径高度个度量(Dn)((D0))(D)（气）(D2)fbdmm专业技术资料101490604021414412x450.3151895654521414412x450.32025105755521614412x500.3192532115856521814412x500.31932381351007821818416x550.63540451451108532018416x600.669505716012510032218416x650.702657318014512032418416x700.736808919516013532418816x701.47210010821518015532618816x701.47212513324521018532818816x751.5415015928024021032823820x802.7117519431027024032823820x802.71200219335295265330231220x854.38225245365325295330231220x854.38250273405355320332251222x905.334300325460410375432251222x905.334350377520470435434251622x957.62400426580525485438301627x10514.076450478640585545442302027x11518.56500529705650608448342030x13024.93600630840770718550412030x14026.12专业技术资料平焊法兰尺寸(2.5MPa)公称通径管子法兰螺栓外径外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度法兰厚度螺栓孔直径数量个螺栓长度mm螺栓重量(Dn)（（D0））(D)（气）（D2）fbd101490604021614412x500.319151895654521614412x500.3192025105755521814412x500.3192532115856521814412x500.31932381351007822018416x600.66940451451108532218416x650.702505716012510032418416x700.736657318014512032418816x701.472专业技术资料808919516013532618816x701.472100108230190160328820x802.7112513327022018833023822x853.556150159300250218330251222x853.556175194330280248332251222x905.334200219360310278332251222x905.334225245395340302334251227x1009.981250273425370332334301227x1009.981300325485430390436301627x10514.076350377550490448442301630x12018.996400426610550505444341630x12018.996450478660600555448342030x13024.93500529730660610452342036x15041.45榫槽面平焊法兰尺寸(1.6MPa)专业技术资料公称通径管子法兰螺栓外径外径螺栓孔中心圆直径连接凸出部分直径连接凸出部分高度法兰厚度螺栓孔直径数量个螺栓长度mm螺栓重量(Dn)((D0))(D)(D』(D2)fbd10144-12*5015144-12*5020164-12*5525184-12*6032184-12*65402016*65502216*70652416*70802416*751002616*801252816*851502820*901752820*902003020*952253020*952503222*1003003222*1003503422*1054003827*1154504227*1305004830*1406005036*150专业技术资料榫槽面平焊法兰尺寸2.5MPa)专业技术资料对焊法兰尺寸专业技术资料常用中低压法兰及紧固件材料名称压力(Mpa)300°C以下350以下400以下425以下450C以下451~520°C521~600C法1.5、2.5A3钢：20、25、15MNV15MNMOVCR5MO12movwbsireCr5mo12cr1mov4.0、6.4螺栓双头1.6、2.5钢：3、4；钢：25、35；40mnvb30crmoA37simn2mov25crmoA37simn2mov25cr2mo1vA4.0、6.4钢：35、4040mnvb30crmoA专业技术资料螺栓35crmoA螺1.6、2.5钢：3、420、3035、45；40mnvb37simn2母4.6、6.425、3540mn35crmomov25cr2movA
