Dhamaadka caarada waxaa had iyo jeer loo isticmaalaa flange wadajirka dhabta ah, sida flange gadaal.Ubax dhamaadowaxaa lagu soo saaray dhammaan dhumucyada darbiga caadiga ah, waxaana lagu heli karaa cabbirro u dhexeeya 1/2”ilaa 48”.Cabbirrada darafyada stubka iyo dulqaadka cabbirka la xidhiidha waxaa lagu qeexay heerka ASME B16.9.Daxalka u adkaysta miisaanka khafiifka ah ee loo yaqaan 'Stub Ends' ayaa lagu qeexay MSS SP43.Cidhifyada stubka ayaa guud ahaan lagu heli karaa laba dherer.MSS (dhererka caadiga ah) iyo ANSI (dhererka dheer).