化工法蘭標(biāo)準(zhǔn)

1、板式平焊鋼制管法蘭板式平焊鋼制管法蘭（歐洲體系）HG20593971.主題內(nèi)容與適用范圍主題內(nèi)容與適用范圍本標(biāo)準(zhǔn)規(guī)定了板式平焊鋼制管法蘭（歐洲體系）的型式、尺寸、技術(shù)要求和有關(guān)使用規(guī)定。本標(biāo)準(zhǔn)適用與公稱壓力PN0.25MPa(2.5bar)~PN2.5MPa(25bar)的板式平焊鋼制管法蘭。本標(biāo)準(zhǔn)規(guī)定了板式平焊法蘭適用于HG20592所規(guī)定的A.B兩個鋼管外徑系列。2.引用標(biāo)準(zhǔn)引用標(biāo)準(zhǔn)HG20592《鋼制管法蘭型式、參數(shù)（歐洲體系）》

2、HG20603《鋼制管法蘭的技術(shù)條件（歐洲體系）》HG20604《鋼制關(guān)法蘭壓力溫度等級（歐洲體系）》HG20605《鋼制管法蘭焊接接頭和坡口尺寸（歐洲體系）》HG20613《鋼制管法蘭用緊固件（歐洲體系）》HG20614《鋼制管法蘭墊片緊固件選配規(guī)定(歐洲體系)》3.法蘭密封面型式以及適用范圍法蘭密封面型式以及適用范圍法蘭的密封面型式有突面(RF).全平面(FF)兩種.其尺寸選用按HG20592規(guī)定.突面法蘭的密封面尺寸包括在法蘭厚度

3、內(nèi)各中密封面的型式法蘭適用壓力如下表:公稱壓力PN，MPa(bar)密封面型式0.25(2.5)0.6(6)1.0(10)1.6(16)2.5(25)突面（RF）DN102000DN10600全平面（FF）DN10600公稱公稱通徑通徑DN管子外徑A1連接尺寸法蘭內(nèi)徑B1法蘭理論重量KGAB法蘭外徑D螺栓孔中心圓直徑K螺栓孔直徑L螺栓孔數(shù)量n螺紋Th法蘭厚度CAB1017.2147550114M101218150.361521.3188

4、055114M101222190.412026.9259065114M101427.5260.602533.73210075114M101434.5330.733242.43812090144M121643.5391.194048.345130100144M121649.5461.385060.357140110144M121661.5591.516576.176160130144M121677.5781.858088.98919015

5、0184M161890.5912.94100114.3108210170184M16181161103.41125139.7133240200188M1620141.51354.53150168.3159265225188M1620170.51615.14200219.1219320280188M1622221.52226.852502732733753351812M1624276.52768.96300323.932544039522

6、12M2024327.532811.9350355.63774904452212M2026359.538114.3400406.44265404952216M202841143017.14504574805955502216M203046248520.55005085306456002220M2032513.553523.76006106307557052620M2436616.563633.77007117208608102624M2

7、44071572449.18008138209759203024M274481782467.8900914920107510203024M274891892482.9100010161020117511203028M27521020102498.3120012191220140513403332M30x26012231224163.1140014221420163015603636M33x26814261424244.116001626