I ka loiloi ʻana i nā paipu kila no ke kinoea haʻahaʻa, ka lako wai, a i ʻole nā pūnaewele sprinkler ahi,EN 10255he kuhikuhi honua ke kūlana maʻamau ma aneane kēlā me kēia nīnau loea. No nā poʻe loea kūʻai, he hana maʻamau ka hoʻohālikelike ʻana i nā ʻōlelo i hoʻokumu ʻia ma ke kumukūʻai no kēlā me kēia tona. Eia nō naʻe, i ke kūkulu ʻana a me ke kau ʻana, hiki i ke kumukūʻai mua haʻahaʻa i manaʻo ʻole ʻia ke alakaʻi i nā kumukūʻai huna nui.
Inā hoʻoulu nā paipu i hāʻawi ʻia i ke kahua papahana i nā pilikia e like me ke komo mua ʻana o nā mea hana i ka wā o ke kaula ʻana, nā leaka liʻiliʻi o nā hui, a i ʻole ka pala mua ma nā kaula pili, e hoʻopau koke ʻia nā mālama kālā mua e nā lohi hana a me nā lilo hana hou. Ma ke ʻano he hui hana akamai e lawelawe ana i ke kaʻina holoʻokoʻa mai ka hana kila maka a hiki i ka hoʻāʻo hope loa, ke manaʻoʻiʻo nei mākou e hiki i ka hoʻomaopopo ʻana i kekahi mau kikoʻī hana koʻikoʻi ke kōkua i ka hōʻoia ʻana e noho palekana ana kāu papahana i loko o ka waihona kālā.
No ke aha e pono ai ke kāohi koʻikoʻi o ka ʻike kalapona i ka hoʻopili ʻana i ka wili palupalu
Hōʻike ka inoa kūhelu o ka kikoʻī EN 10255 ua hoʻolālā kūikawā ʻia kēia mau paipu no"Kuʻihao a me ke wili ʻana."ʻOiai me kēia wehewehe maopopo, hōʻike ka nui o nā mea kūʻai aku i nā ʻike hoʻonāukiuki i ka wā o ke kau ʻana ma ke kahua, e like me ka haʻalulu nui i nā mīkini wili aunoa, nā ʻaoʻao wili ʻino a haehae ʻia paha, a me ka ʻoki pinepine ʻana o nā make ʻoki pipiʻi.
ʻO ke kumu nui maʻamau, ʻo ia ka paʻakikī nui o ka mea a me ka hoʻonohonoho kemika paʻa ʻole.
No ka hōʻemi ʻana i nā kumukūʻai hana, hoʻohana paha kekahi mau mea hana i nā huahana maʻamaunā ʻōwili kilame nā waiwai kemika kūlike ʻole loa. No ka mea maoliNā paipu papa S195T, pono e mālama pono ʻia ke ʻano kemika mai kamea makakahua:
Kalapona (C):Mālama pono ʻia ma lalo nei0.20%
Manganese (Mn):Hoʻomalu ʻia ma lalo o1.40%
ʻO ka Phosphorus (P) a me ka Sulphur (S):Nā palena kiʻekiʻe loa i hoʻonohonoho ʻia ma0.035% / 0.030%
Ma ka mālama pono ʻana i ka nui o ke kalaponama lalo o ka 0.20%paepae, mālama ke kila i kona ductility kūpono. Ke hoʻopili nā mea hana ʻoki ma kahi i ka paipu, hoʻomaʻamaʻa a like nā mīkini mea. Mālama kēia ʻano hana i kāu lako wili mai ka hōʻino mua ʻana a hōʻoia i nā kaula maʻemaʻe a hohonu e hui pono me nā hui maʻamau e hana i kahi hui hilinaʻi piha, ʻaʻohe leak.
ʻO ka Papa Kuhikuhi OD Loa
I ka wā e ʻimi ai i nā kikoʻī EN 10255 ma ka pūnaewele, hōʻike nā hōʻuluʻulu manaʻo he nui i loaʻa i kahi ʻike maʻalahi e hōʻike ana i kahi waiwai anawaena waho hoʻokahi—e like me 48.8 mm no kahi paipu DN40. No kahi ʻenekinia papahana a luna hoʻomalu maikaʻi paha, ʻaʻole lawa ka hilinaʻi wale ʻana i hoʻokahi helu inoa.
ʻAʻole hana ʻo EN 10255 ma kahi hoʻomanawanui e pili ana i ka pakeneka maopopo ʻole e like me "±1%"No ka mea, pono e hoʻopili pono kēia mau paipu me nā mea hoʻopili wili a i ʻole nā mea i hoʻopili ʻia, ua wehewehe ke kūlana i kahika laulā milimita kiʻekiʻe loa a me ka palena iki loano kēlā me kēia nui.
Inā ʻoi aku ke anawaena o ka paipu ma mua o ka palena kiʻekiʻe ma o 0.1 mm paha, ʻaʻole paha e hoʻopili pono ka make threading. I ka ʻaoʻao ʻē aʻe, inā haiki loa ke anawaena, ʻaʻole lawa ka hohonu o ke kaula hopena, kahi e hoʻoulu pinepine ai i nā hemahema i ka wā o ka hoʻāʻo hydrostatic. Aia ma lalo nā palena pololei i mālama ʻia i ka wā o kā mākou calibrations mill workshop:
| Ka nui (DN) | Ka nui o ke kaula ('īniha) | Ka laulā OD māmā (mm) | Ka laulā OD waena/kaumaha (mm) | Pā Mālamalama (mm) | Pā Waena (mm) | Pā Kaumaha (mm) | Kaumaha Waena (kg/m) |
| DN8 | 1/4″ | 13.2 – 13.6 | 13.2 – 13.9 | 1.8 | 2.3 | 2.9 | 0.641 |
| DN10 | 3/8″ | 16.7 – 17.1 | 16.7 – 17.4 | 1.8 | 2.3 | 2.9 | 0.839 |
| DN15 | 1/2″ | 21.0 – 21.4 | 21.0 – 21.7 | 2.0 | 2.6 | 3.2 | 1.210 |
| DN20 | 3/4″ | 26.4 – 26.9 | 26.4 – 27.2 | 2.3 | 2.6 | 3.2 | 1.560 |
| DN25 | 1″ | 33.2 – 33.8 | 33.2 – 34.2 | 2.6 | 3.2 | 4.0 | 2.410 |
| DN32 | 1-1/4″ | 41.9 – 42.5 | 41.9 – 42.9 | 2.6 | 3.2 | 4.0 | 3.100 |
| DN40 | 1-1/2″ | 47.8 – 48.4 | 47.9 – 48.8 | 2.9 | 3.2 | 4.0 | 3.570 |
| DN50 | 2″ | 59.6 – 60.2 | 59.7 – 60.8 | 2.9 | 3.6 | 4.5 | 5.030 |
| DN65 | 2-1/2″ | 75.2 – 76.0 | 75.3 – 76.6 | 3.2 | 3.6 | 4.5 | 6.430 |
| DN80 | 3″ | 87.9 – 88.7 | 88.0 – 89.5 | 3.2 | 4.0 | 5.0 | 8.370 |
| DN100 | 4″ | 113.0 – 113.9 | 113.1 – 114.9 | 3.6 | 4.5 | 5.4 | 12.200 |
| DN125 | 5″ | — | 138.5 – 140.6 | — | 5.0 | 5.4 | 16.600 |
| DN150 | 6″ | — | 163.9 – 165.1 | — | 5.0 | 5.4 | 19.700 |
(Nānā: Ma lalo o nā alakaʻi kūhelu EN 10255, ʻaʻole i hoʻokomo ʻia kahi koho moʻo Mālamalama no nā ana nui e like me 5″ a me 6″, kahi i hōʻike ʻia e ka "—" ma ka pakuhi.)
Palapala Kūlana: Ke hōʻoia nei i ka hōʻoia pololei o ka mānoanoa
Manaʻo kekahi mau palapala hoʻolaha e hana mau ʻia nā nānā ʻana i ka mānoanoa o ka paia i loko o ke kikowaena o kahi paipu i hoʻopau ʻia i ka wā o ka hana wikiwiki. Mai kahi kūlana hana, ʻaʻole hiki ke hoʻokō ʻia ka nānā ʻana i ka micrometer mid-tube ma kēlā me kēia holo hana wikiwiki. Ke nānā nei kā mākou kaʻina hana hōʻoia maikaʻi i kahi ʻano hana moakaka, kūpono, a pololei loa.
Ke ʻoki ʻia ka paipu kila e ka ʻoki lele i ka lōʻihi, hana ka ikaika kino o ka pahi i nā ʻūpā mīkini liʻiliʻi a me ka hoʻololi ʻana o ka lihi ma ka ʻaoʻao ʻoki. ʻO ke kau ʻana i kahi micrometer maʻamau ma luna pono o kēia lihi waho hiki ke hoʻololi i ke ana, i kekahi manawa e uhi ana i kahi ʻaoʻao paia ma lalo o ka mānoanoa ma ka hōʻike ʻana i kahi heluhelu wahaheʻe a hoʻonui ʻia.
I mea e pale aku ai i kēia pilikia, ua hoʻomaʻamaʻa ʻia kā mākou hui maikaʻi e hoʻoneʻe i ka micrometer mai ka ʻaoʻao ʻoki e pale loa i nā burrs kūloko a me ka deformation zone. Hāʻawi kēia kau kikoʻī i kahi heluhelu pololei loa e hōʻoia i ka mālama ʻana o ka mea i ka -12.5% kiʻekiʻe o ka hoʻomanawanui paia i ʻae ʻia. Eia kekahi, no nā kauoha wili āpau, hōʻoia mākou e mālama pono ʻia nā wēlau paipu i ka maʻemaʻe a me ka laumania e kākoʻo i ka lawelawe palekana ma kahi a me ka hana maʻalahi o ka mea hana.
Hoʻopili Galvanizing: Kāohi i ka Zinc Flaking i ka wā o ke kaula ʻana
I loko o nā pūnaewele pale wai a me ke ahi, he mea nui ka pale ʻana i ka palaho o loko a me waho. Hāʻawi ka galvanizing wela i ka pale maikaʻi loa, akā ke kū nei ia i kahi hoʻāʻo mechanical pololei i ka wā o ke kau ʻana: ke ʻoki nā hui kahua i nā kaula, ʻoki kino nā lau lathe i kahi ʻāpana o ke kila ma ka hui. Inā nele ka uhi zinc i ka hoʻopili pono ʻana, hiki i ke kaumaha mechanical ke hana i ka papa galvanizing a puni e ʻili a ʻōpala paha e like me ka pena maloʻo, e waiho ana i ke kila ma lalo i nāwaliwali i ka popo mua.
No ka hoʻoponopono ʻana i kēia pilikia, ʻo kā mākouka hoʻoheheʻe ʻana i ka welake kuhikuhi nei ke kaʻina hana i nā palena i hoʻokumu ʻia e kaEN 10240kikoʻī:I loko o ka Zinc≥55μm(me ka hoʻokūpaʻa ʻana ma kahi ʻili kūloko laumania me ka ʻole o nā nodules zinc ʻinoʻino) aZinc ma waho≥63μm.Ke nānā pono nei mākou i nā lōʻihi o ka holoi ʻakika a me nā mahana o ka ipu zinc. ʻAe kēia kaulike i ka zinc heheʻe a me ke kumu kila e hoʻopili pono, e hana ana i kahi papa hao-zinc paʻa. Ke ʻoki ʻia nā mea hana wili i loko o ka paipu, e paʻa mau ana ka papa zinc i ke kila me ka ʻole o ka wehe ʻana. ʻOiai ma ke kumu o nā ʻauwaha wili hou i ʻoki ʻia kahi i hōʻike ʻia ai ke kila ʻōlohelohe, hāʻawi ka papa zinc a puni i ka pale anodic mōhai, e kōkua ana i ka hōʻemi ʻana i ka pala i ka wā lōʻihi.
Nā keʻena hoʻāʻo ʻana i ka paʻakai e loiloi ana i nā hāpana uhi galvanized wela.
ʻO kā mākou kūpaʻa no ka maikaʻi a me ka hoʻokō ʻana
I loko o nā kaulahao lako ʻoihana, he mea nui ke kaulike ʻana i nā kālā kūʻai me ka hana hoʻonohonoho maoli. ʻO kēlā me kēia laulā ana, ka palena kalapona, a me ka mānoanoa o ka uhi i hōʻike ʻia ma luna nei ʻaʻole ia he hiʻohiʻona koho premium; hōʻike ia i kā mākou kumu hana maʻamau.
Hana pono kā mākou mau laina hana ma lalo o nā ʻōnaehana kaohi maikaʻi i palapala ʻia e hōʻoia i ka kūlike o kēlā me kēia pūʻulu me nā kikoʻī loea e pono ai. Ua kūpaʻa mākou i ka hāʻawi ʻana i kā mākou mau paipu kila e like me ke kūlana, a ua hōʻoia pono ʻia kēlā me kēia kauoha ma mua o ka hoʻouna hope ʻana.
Eia kekahi,YUANTAI DERUNhoʻokipa piha a hana pū me nā hui nānā kūʻokoʻa ʻaoʻao ʻekolu i koho ʻia e kā mākou mea kūʻai aku. Aia ka maikaʻi hilinaʻi i ka mālama ʻenehana a me ka mālamalama hana maopopo.
Ka manawa hoʻouna: Iune-09-2026
