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11范围本标准规定了公称压力PN为0.25、0.6、1.0、1.6、2.5和4.0MPa的平面、突面板式平焊钢制管法兰的型式和尺寸。本标准适用于公称压力PN0.25~PN4.0MPa的平面、突面板式平焊钢制管法兰。2引用标准下列标准所包含的条文,通过在本标准中引用而构成为本标准的条文。本标准出版时,所示版本均为有效。所有标准都会被修订,使用本标准的各方应探讨使用下列标准最新版本的可能性。GB/T9112—2000钢制管法兰类型与参数GB/T9124—2000钢制管法兰技术条件3法兰的型式与尺寸3.1PN0.25、PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa平面板式平焊钢制管法兰的型式应符合图1的规定,尺寸应符合表1~表6的规定。3.2PN0.25、PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa突面板式平焊钢制管法兰的型式应符合图2的规定,尺寸应符合表1~表6的规定。4法兰的技术要求4.1法兰的技术要求应符合GB/T9124的规定。4.2法兰在不同温度下的最大无冲击工作压力应符合GB/T9124—2000附录A(标准的附录)的规定。4.3法兰的焊接接头型式和坡口尺寸应符合GB/T9124—2000附录B(提示的附录)的规定。5标记5.1法兰应按公称通径、公称压力、密封面型式代号、配用的钢管系列代号(配用米制管代号为“系列Ⅱ”,配用英制管不标记)和标准编号进行标记。5.2法兰密封面的型式代号应符合GB/T9112的规定。5.3标记示例5.3.1平面板式平焊钢制管法兰的标记示例公称通径100mm、公称压力2.5MPa(25bar)的平面板式平焊钢制管法兰(配用米制管):法兰DN100-PN25FF(系列Ⅱ)GB/T9119—2000公称通径80mm、公称压力1.0MPa(10bar)的平面板式平焊钢制管法兰(配用英制管):法兰DN80-PN10FFGB/T9119—2000国家质量技术监督局2000-09-28批准2001-07-01实施中华人民共和国国家标准平面、突面板式平焊钢制管法兰Slip-on-weldingplatesteelpipeflangeswithflatfaceorraisedfaceGB/T9119—2000代替GB/T9119.1~9119.10—1988GB/T9119—200025.3.2突面板式平焊钢制管法兰的标记示例公称通径80mm、公称压力2.5MPa(25bar)的突面板式平焊钢制管法兰(配用米制管):法兰DN80-PN25RF(系列Ⅱ)GB/T9119—2000公称通径100mm、公称压力2.5MPa(25bar)的突面板式平焊钢制管法兰(配用英制管):法兰DN100-PN25RFGB/T9119—2000图1平面(FF)板式平焊钢制管法兰(适用于PN0.25、PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa)图2突面(RF)板式平焊钢制管法兰(适用于PN0.25、PN0.6、PN1.0、PN1.6、PN2.5和PN4.0MPa)n×LCBKDAn×LDfCKdBAGB/T9119—20003表1PN0.25MPa(2.5bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ10使用PN0.6MPa法兰尺寸15202532405065801001251502002503003504004505006007007117208608102624M247725367157248008138209759203024M27878538817824900914920107510203024M27978540918924100010161020117511203028M2710785421020102412001220137513203032M271295544122414001420157515203036M271510548142416001620179017303040M271710551162418001820199019303044M271918554182420002020219021303048M2721255582024GB/T9119—20004表2PN0.6MPa(6bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ1017.2147550114M103321218151521.3188055114M103821222192026.9259065114M104821427.5262533.73210075114M105821434.5333242.43812090144M126921643.5394048.345130100144M127821649.5465060.357140110144M128821661.5596576.176160130144M1210821677.5788088.989190150184M1612421890.591100114.3108210170184M16144218116110125139.7133240200188M16174220141.5135150168.3159265225188M16199220170.5161200219.1219320280188M16254222221.52222502732733753351812M16309224276.5276300323.93254403952212M20363224327.5328350355.63774904452212M20413226359.5380400406.44265404952216M204632284114304504574805955502216M205182304624845005085306456002220M20568232513.55346006106307557052620M24667236616.56347007117208608102624M247725407157248008138209759203024M27878544817824900914920107510203024M27978548918924100010161020117511203028M2710785521020102412001220140513403332M301295560122414001420163015603636M331510568142416001620183017603640M331710576162418001820204519703944M361918584182420002020226521804248M3921255922024GB/T9119—20005表3PN1.0MPa(10bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ10使用PN4.0MPa法兰尺寸15202532405065使用PN1.6MPa法兰尺寸80100125150200219.1219340295228M20266224221.52222502732733953502212M20319226276.5276300323.93254454002212M20370228327.5328350355.63775054602216M20429230359.5380400406.44265655152616M244802324114304504574806155652620M245302354624845005085306706202620M24582238513.55346006106307807253020M27682242616.5634GB/T9119—20006表4PN1.6MPa(16bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ10使用PN4.0MPa法兰尺寸1520253240506576.176185145184M1611822077.5788088.989200160188M1613222090.591100114.3108220180188M16156222116110125139.7133250210188M16184222141.5135150168.3159285240228M20211224170.5161200219.12193402952212M20266226221.52222502732734053552612M24319228276.5276300323.93254604102612M24370232327.5328350355.63775204702616M24429235359.5380400406.44265805253016M274802384114304504574806405853020M275482424624845005085307156503320M30609246513.55346006106308407703620M33720252616.5634GB/T9119—20007表5PN2.5MPa(25bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ10使用PN4.0MPa法兰尺寸1520253240506580100125150200219.12193603102612M24274232221.52222502732734253703012M27330235276.5276300323.93254854303016M27389238327.5328350355.63775554903316M30448242359.5384400406.44266205503616M335032464114304504574806706003620M335482504624845005085307306603620M33609256513.55346006106308457703920M36720268616.5634GB/T9119—20008表6PN4.0MPa(40bar)平面、突面板式平焊钢制管法兰mm公称通径DN钢管外径A连接尺寸密封面法兰厚度C法兰内径B法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓df数量n螺纹规格系列Ⅰ系列Ⅱ系列Ⅰ系列Ⅱ1017.2149060144M124121418151521.3189565144M124621422192026.92510575144M125621627.5262533.73211585144M126521634.5333242.438140100184M167621843.5394048.345150110184M168421849.5465060.357165125184M169922061.5596576.176185145188M1611822277.5788088.989200160188M1613222490.591100114.3108235190228M20156226116110125139.7133270220268M24184228141.5135150168.3159300250268M24211230170.5161200219.12193753203012M27284236221.52222502732734503853312M30345242276.5276300323.
本文标题:GB91192000平面突面板式平焊钢制管法兰
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