BS-4504-FLANGE-FACING-DIMENSIONS参考标准规范

Flange Facings-BS 4504BS 4504 flange facing types A to H are defined below.The dimensions vary with pipe size(DN)and pressurerating(PN)as detailed in the following tableType AType BType CType DFlat faceRaised faceTongue faceGroove faceType EType FType GType HSpigotRecess'O'Ring recessO'Ring groovebFlange facing dimensions(BS 4504)AFace DimensionsmmDN9Ndee导孟BCEabdemmmmmmmmmmmmmmmmmmmm10353540404040343524232431540445454545394029284325205058585858505136541°16625606868686857584342243241°1653270708787878656651502341°16408080888888887566160343241°165509090102102102102878873723女041°1661101101221221221221091109594343241°1658012812813813813813812012110610534341°16510014814815815816216214915012912834.53.52.532°15612517817818818818818817517615515434.53.52.532°15615020220221221221821820320418318234.53.52.532°15620025825826826827828525926023923834.53.52.532°15625031231232032033534531231329229134.53.52.532°1563003653653703783954103633643433424.53.52.532°156350415415430438450465421422395394443272474004654654824905055354734744474464327244505205205325505555605235244974964心327°247500570570585610615615575576549548454327246006706706857257207356756766496486心327°2417007757758007958207777787517505432724780088088090590093088288385685554心272419009809801005100010309879889619605543272471000108010801110111511401092109410621060心6Sg28398120012801295133013301350129212941262126056542839814001480151015351530156014921494146214605828°39816001690171017601750178016921694166216605628°39818001890192019601950198519821894186218606528°39200020902125217021502210209220942062206056528398