ʻO ka ʻokoʻa o ke kūkulu ʻana ma waenaʻāʻī wiliwili palahalahaaʻāʻī wiliwili ʻāʻīaia i nā ʻano pili like ʻole o nā nooks anā lehelehe. ʻāʻī kuʻiʻo palahalahahe mau nooks anā leheleheʻO ka pili kihi, ʻoiaiʻāʻī wiliwili ʻāʻīhe mau flanges a me na nooks hookui.
1, pauma centrifugalflangeʻokoʻa ke ala pili:ʻāʻī paʻa wiliwili ʻāʻīa me ka ʻāʻīpuʻu welding flangei ka hoʻolālā o ka ʻokoʻa ka ʻokoʻa pili ala o ka paipu aflange, ʻāʻī paʻa wiliwili ʻāʻīmea maʻamau he paipu a me ka flange Angle pili, aʻāʻī wiliwili ʻāʻīʻo ia ka flange a me ka puʻu paipu.
ʻO nā flanges wili palahalaha'O ka ma'amau, hiki ke ho'opili wale 'ia me ka paipu, akā 'a'ole hiki ke ho'opili pololei 'ia me ka paipu ku'iwili pu'upu'u;ʻO nā flanges i hoʻopili ʻiahiki ke hoʻopili pololei ʻia i nā mea hoʻopili paipu i hoʻopaʻa ʻia i ka butt-welded (me nā kuʻekuʻe, nā tees, nā mea hoʻemi, a me nā mea ʻē aʻe), me nā paipu, ʻoiaʻiʻo.
2, ʻokoʻa nā ʻano wiliwili centrifugal pump flange: ʻaʻole hiki ke hoʻopaʻa ʻia ka weld palahalaha i ka radiographic inspection, a me ka weld weld hiki ke. ʻO ke ʻano o ka wiliwili ʻana ma waena o ka paipu a me ka ʻāʻī me ka ʻāʻī kuʻihao palahalaha ʻo ia ka weld fillet, aʻo ke ʻano o ke kuʻi ʻana ma waena o ka flange a me ka paipu me ka ʻāʻī ʻo ka weld girth. ʻO ka wiliwili palahalaha ʻelua mau wiliwili aʻe a me ka wiliwili kīʻaha hoʻokahi wili pū. ʻO ka ʻokoʻa ma waena o nā flanges me ka ʻāʻī a me nā flanges me ka ʻāʻī ʻole he wahi hou aʻe nā flanges me ka ʻāʻī ma ka pae wili paipu ma mua o nā flanges me ka ʻāʻī ʻole. ʻO nā flanges me ka ʻāʻī ʻole he flanges palahalaha. ʻO ka luna me ka ʻole o ka flange, ʻo ia hoʻi ka weld fillet flat. ʻO ka wili kuʻi ʻana o ka flange butt-weld flange me ka ʻāʻī a me ka pilina paipu no ka papa B seam, a ʻo ka wili kuʻi ʻana o ka flange wili palahalaha me ka ʻāʻī a me ka pilina paipu no ka papa C seam, a ʻokoʻa ka hoʻāʻo ʻole luku. mahope o ka wiliwili ana.

3, ʻokoʻa ke kaomi nominal: ʻo ke kaomi nominal o ka ʻāʻī paʻa kuʻi ʻana o ka ʻāʻī: 0.6-- 4.0Mpa, a me ke kaomi nominal o ka ʻāʻī kuʻi ʻana o ka ʻāʻī: 1- 25Mpa papa, maopopo, ʻoi aku ka haʻahaʻa o ke kaomi ʻana o ka ʻāʻī palahalaha.
4. ʻOi aku ka ʻoi aku o ka ʻoi aku o ka ʻoʻoleʻa o ka ʻāʻī kuʻi ʻana me ka ʻāʻī. ʻOi aku ka ikaika o ka welding butt ma mua o ka welding flat, a ʻaʻole maʻalahi ka leak.
ʻAʻole hiki ke hoʻololi ʻia nā flanges welded flat me ka ʻāʻī a me nā flanges butt-welded me ka ʻāʻī. Mai ka hiʻohiʻona o ka hana ʻana, nā flanges welded flat me ka ʻāʻī (SO ka pōkole o SLIPON) me ka warp kūloko nui ʻo ia ka liʻiliʻi liʻiliʻi a me ke kumu kūʻai haʻahaʻa. Eia hou, pono e ho'āʻoʻia nā flanges'ā'ī me ke anawaena inoa iʻoi aku ma mua o 250mm (WN ka pōkole o Weldingneck), aʻo nā flanges me SOʻaʻole pono e ho'āʻo. No laila he haʻahaʻa ke kumukūʻai.