法兰尺寸选型对照表

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1、DNADKLndfCB1017.2755011433212181521.3805511438212222026.990651144821427.52533.7100751145831434.53242.4120901446931643.54048.31301001447831649.55060.31401101448831661.56576.116013014410831677.58088.919015018412431890.5100114.3210170184144318116125139.7240200188174320141.5150168.3

2、265225188199320170.5200219.1320280188254322221.52502733753351812309324276.5300323.94403952212363424327.5350355.64904452212413426359.5400406.4540495221646342841145045759555022165184304625005086456002220568432513.5PN0.6MPa其中：DN—法兰通径A—管径D—法兰外径K—螺孔距离L—螺孔孔径n—螺孔数量d—密封台大径f—密封台高C—法兰厚度B—

3、法兰孔径PN1.0MPaDNADKLndfCB1017.2906014441214181521.3956514446214222026.9105751445621627.52533.7115851446531634.53242.41401001847631843.54048.31501101848431849.55060.31651251849932061.56576.118514518411832077.58088.920016018813232090.5100114.3220180188156322116125139.725021018818432

4、2141.5150168.3285240228211324170.5200219.1340295228266324221.52502733953502212319326276.5300323.94454002212370428327.5350355.65054602216429430359.5400406.4565515261648043241145045761556526205304354625005086706202620582438513.5其中：DN—法兰通径A—管径D—法兰外径K—螺孔距离L—螺孔孔径n—螺孔数量d—密封台大径f—密封台高C—

5、法兰厚度B—法兰孔径PN1.6MPaDNADKLndfCB1017.2906014441214181521.3956514446214222026.9105751445621627.52533.7115851446531634.53242.41401001847631843.54048.31501101848431849.55060.31651251849932061.56576.118514518411832077.58088.920016018813232090.5100114.3220180188156322116125139.725021018

6、8184322141.5150168.3285240228211324170.5200219.1340295228266326221.52502734053552612319329276.5300323.94604102612370432327.5350355.65204702616429435359.5400406.4580525301648043841145045764058530205484424625005087156503320609446513.5其中：DN—法兰通径A—管径D—法兰外径K—螺孔距离L—螺孔孔径n—螺孔数量d—密封台大径f—

7、密封台高C—法兰厚度B—法兰孔径PN2.5MPaDNADKLndfCB1017.2906014441214181521.3956514446214222026.9105751445621627.52533.7115851446531634.53242.41401001847631843.54048.31501101848431849.55060.31651251849932061.56576.118514518411832277.58088.920016018813232490.5100114.3235190228156326116125139.727

8、0220268184328141.5150168.3300250268211330170.52