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1、光滑面平焊钢法兰（ JB81-59 ）P=0.6MPa单位： mm公管子法兰螺栓称螺孔中连接凸出 连接凸出法兰螺栓数通外径 外径单头双头心圆直部分直径 部分高度厚度孔径量径DoD直径* 长度直径*长度径 D1D2fbdnDNM10 40M 105010147550322121241518805540212124M10 40M 10502025906550214124M10 50M 106025321007560214124M10 50M 106032381209070216144M12 50M 1270404513010080316144M12 50M 12705057140110903161
2、44M12 50M 12706578160130110316144M12 50M 12708089185150125318184M16 60M 1680100108205170145318184M16 60M 1680125133235200175320188M16 60M 1680150159260225200320188M16 60M 1680175194290255230322188M16 70M 1680200219315280255322188M16 70M 1680225245340305280322188M16 70M 16802502733703353103241812M16
3、70M 16903003254353953624242312M20 80M 20#3503774854454124262312M20 80M 20#4004265354954624282316M20 80M 20#4504785905505184282316M20 80M 20#5005296406005684302316M20 90M 20#6006307557056705302520M22 90M 22#7007208608107755322524M22 90M 22#8008209759208805323024M27100M 27#900920107510209805343024M271
4、00M 27#1020 1175112010805363028M27110M 27#光滑面平焊钢法兰（ JB81-59 ）P=1.0MPa单位： mm公管子法兰螺栓称螺孔中连接凸出 连接凸出法兰螺栓数通外径 外径单头双头心圆直部分直径 部分高度厚度孔径量径DoD直径* 长度直径*长度径 D1D2fbdnDNM12M 12601014906040212144 401518956545212144M12 40M 126020251057555214144M12 50M 126025321158565214144M12 50M 1260323813510078216184M16 60M 167040
5、4514511085318184M16 60M 16805057160125100318184M16 60M 16806578180145120320184M16 60M 16808089195160135320184M16 60M 1680100108215180155322188M16 70M 1690125133245210185324188M16 70M 1690150159280240210324238M20 80M 20#175194310270240324238M20 80M 20#200219335295265324238M20 80M 20#22524536532529532
6、4238M20 80M 20#2502733903503203262312M20 80M 20#3003254404003684282312M20 80M 20#3503775004604284282316M20 80M 20#4004265655154824302516M22 90M 22#4504786155655324302520M22 90M 22#5005296706205854322520M22 90M 22#6006307807256855363020M27110M 27#光滑面平焊钢法兰（ JB81-59 ）P=1.6MPa单位： mm公 管子法兰螺栓称螺孔中连接凸出 连接凸出
7、法兰螺栓数通外径 外径单头双头心圆直部分直径 部分高度厚度孔径量径DoD直径* 长度直径*长度径 D1D2fbdnDN1014906040214144M12 50M 12601518956545214144M12 50M 126020251057555216144M12 50M 127025321158565218144M12 60M 1270323813510078218184M16 60M 1680404514511085320184M16 60M 16805057160125100322184M16 70M 16906578180145120324184M16 70M 169080891
8、95160135324184M16 70M 1690100108215180155326184M16 80M 1690125133245210185328188M16 80M 16#150159280240210328238M20 80M 20#175194310270240328238M20 80M 20#2002193352952653302312M20 90M 20#2252453653252953302312M20 90M 20#2502734053553203322512M22 90M 22#3003254604103754322512M22 90M 22#3503775204704354342516M22100M 22#4004265805254854383016M27110M 27#4504786405855454423020M27120 M 27 #5005297056506084483420M30130 M 30 #6
