ʻAʻole maʻalahi ka hoʻololi ʻana o ka flange butt welding, hoʻopaʻa maikaʻi ʻia, hoʻohana nui ʻia, loaʻa i ka rigidity a me nā koi elasticity kūpono a me ka hoʻololi ʻana i ka hoʻololi ʻana o ka wiliwili, ʻoi aku ka nui ʻO ka hoʻolālā kino kino paʻakikī, kūpono no ka piʻi ʻana a i ʻole ka wela o ka pipeline a i ʻole ka wela kiʻekiʻe, ke kaomi kiʻekiʻe a me ka pipeline wela haʻahaʻa, hoʻohana maʻamau no ka PN ʻoi aku ma mua o 2.5MPa paipu a me ka pili valve;Hoʻohana pū ʻia no ka lawe ʻana i ka pipeline medium pipiʻi pipiʻi, hiki ke ahi, pahū.
Hana ʻia ka flange welded butt ma ke kaʻina forging a forging.Ke hoʻohana ʻia ka pā kila a i ʻole ka ʻāpana kila, pono e hoʻokō ʻia nā koi aʻe:
1. Pono e nānā ʻia ka flange welding butt e ka ultrasonic, me ka ʻole o nā hemahema delamination;
2. Pono eʻokiʻokiʻia i loko o nā'āpana ma ke ala o ka'ōwili kila, e hoʻopiliʻia i loko o ke apo ma ke kuʻiʻana, a me kaʻili o ke kila e hana i ka cylinder o ke apo.ʻAʻole pono e hoʻohana pono ʻia ka pā kila i loko o ka ʻāʻī wiliwili ʻāʻī;
3. ʻO ka weld butt o ke apo e hoʻokomo i ka weld komo piha;
4. ʻO ka weld weld o ke apo e hoʻopaʻa ʻia i ka wela ma hope o ka welding, a e hoʻokō ʻia i ka 100% ray a i ʻole ka nānā ʻana i ke kani ultrasonic, e hoʻokō i nā koi II o JB4730 a e hoʻokō ka nānā ʻana i nā koi o JB4730.
ʻAʻole ʻoi aku ka nui o ka ʻāʻī o waho o ka flange welding butt ma mua o 70°.Hoʻopaʻa paʻa ʻia nā ʻāpana ʻenehana o ka butt welding flange i ka wā o ka hana ʻana a me ka wili ʻana e hōʻoia i hiki iā ia ke pāʻani i kāna kuleana a waiwai piha i ka hana a me ka hoʻohana.
1.NPS:DN15-DN3000, 1/2"-120"
2.Pressure Rating:CL150-CL2500, PN2.5-PN420
3. Kūlana: EN, DIN, JIS, GOST, BS, GB
4.Material:
①Sila ʻole: 31254, 904/L, 347/H, 317/L, 310S, 309, 316Ti, 321/H, 304/L, 304H, 316/L, 316H
②DP Steel: UNS S31803, S32205, S32750, S32760
③Ke kila kila: N04400, N08800, N08810, N08811, N08825, N08020, N08031, N06600, N06625, N08926, N08031, N10276
