平焊法兰尺寸说课讲解

1、学习资料平焊法兰尺寸(I.OMPa)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 度螺栓 重 量kg(Dn)（D0）（D）(D"（D2）fbd101490604021214412X400.281151895654521214412X400.2812025105755521414412X450.32532115856521414412*450.332381351007821618416X500.60140451451108531818416X550.635505716012510031818416X5

2、50.635657318014512032018416X600.669808919516013532018416X600.66910010821518015532218816X651.40412513324521018532418816X701.47215015928024021032423820X702.49817519431027024032423820X702.49820021933529526532423820X702.49822524536532529532423820X702.498250273390350320326231220X753.906300325440400368428

3、231220X804.065350377500460428428231620X805.42400426565515482430251622X857.112450478615565532430252022X858.89500529670620585432252022X908.89600630780725685536302027X10517.595:焊法兰尺寸(1.6MPa)公管子法螺栓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)(D"(D2)fbdmmkg101490604021414412X450.315

4、1895654521414412X450.32025105755521614412X500.3192532115856521814412X500.31932381351007821818416X550.63540451451108532018416X600.669505716012510032218416X650.702657318014512032418416X700.736808919516013532418816X701.47210010821518015532618816X701.47212513324521018532818816X751.5415015928024021032823

5、820X802.7117519431027024032823820X802.71200219335295265330231220X854.38225245365325295330231220X854.38250273405355320332251222X905.334300325460410375432251222X905.334350377520470435434251622X957.62400426580525485438301627X10514.076450478640585545442302027X11518.56500529705650608448342030X13024.93600

6、630840770718550412030X14026.12仅供学习与参考:焊法兰尺寸(2.5MPa)公管子法螺栓称外外螺栓连接连接法兰螺栓数螺螺通孔中凸出凸出厚度孔直量栓栓径径径心圆部分部分径长重直径直径高度个度量(Dn)（Do）（D）（D1）（D2）fbdmmkg101490604021614412X500.319151895654521614412X500.3192025105755521814412X500.3192532115856521814412X500.31932381351007822018416X600.66940451451108532218416X650.7025057

7、16012510032418416X700.736657318014512032418816X701.472808919516013532618816X701.472100108230190160328820X802.7112513327022018833023822X853.556150159300250218330251222X853.556175194330280248332251222X905.334200219360310278332251222X905.334225245395340302334251227 X1009.981250273425370332334301227 X10

8、09.981300325485430390436301627 X10514.076350377550490448442301630 X12018.996400426610550505444341630 X12018.996450478660600555448342030 X13024.93500529730660610452342036 X15041.45榫槽面平焊法兰尺寸(1.6MPa)公管子法兰螺栓称外外螺栓连接连接法兰螺栓数螺栓螺栓重通孔中凸出凸出厚度孔直量长度量径径径心圆部分部分径直径直径高度个mmkg(Dn)(D0)(D)（D1）（D2）fbd10144-12*5015144-12*

9、5020164-12*5525184-12*6032184-12*65402016*65502216*70652416*70802416*751002616*801252816*851502820*901752820*902003020*952253020*952503222*1003003222*1003503422*1054003827*1154504227*1305004830*1406005036*150榫槽面平焊法兰尺寸（2.5MPa）公管子法螺栓称外外螺栓连接连接法兰螺栓数螺栓螺栓通孔中凸出凸出厚度孔直量长度重量径径径心圆部分部分径直径直径高度个mmkg（Dn）(Do)（D）（D1

10、）（D2）fbd101520253240506580100125150175200225250300350400450500600对焊法兰尺寸公管子法螺栓称螺栓连接连接法兰螺栓数螺螺外外通孔中凸出凸出厚度孔直量栓栓径径径心圆部分部分径长重直径直径高度个度量(Dn)（D。）（D）（D1）（D2）fbdmmkg常用中低压法兰及紧固件材料名称压力（Mpa）300以下350以下400以 下425以 下450C以下451520 C521600 C法兰1.5、2.5A3钢：20、25、15MNV15MNMOVCR5MO12movwb sire Cr5mo 12cr1mo v4.0、6.4螺 栓 双 头1.6、2.5钢：3、4;钢：25、35;40mn vb30c