ASTM A795 Pipe Coating Type:
ASTM A795 paipu he mea nui i nā ʻōnaehana pale ahi, e hāʻawi ana i ka hana hilinaʻi i nā kūlana koʻikoʻi. No ka hoʻonuiʻana i ko lākou kūpaʻa a me ke kū'ēʻana i nā mea likeʻole o ke kaiapuni, ua uhi pinepineʻia kēia mau paipu me nā mea pale. Ke ʻimi nei kēia ʻatikala i nā ʻano uhi like ʻole i loaʻa no nā paipu ASTM A795, ko lākou ʻano, a me nā noi. He mea koʻikoʻi ka hoʻomaopopo ʻana i kēia mau koho uhi no ke koho ʻana i ka paipu kūpono loa no nā pono pale ahi.
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ka uhi ʻeleʻele:
ʻO ka uhiʻeleʻele kekahi o nā hoʻopau maʻamau a maikaʻi loa no ASTM A795 paipu. Loaʻa ʻia kēia uhi ma o kahi kaʻina i kapa ʻia ʻo ka lāʻau ʻeleʻele a i ʻole ke kau ʻana i kahi ʻāpana lahilahi o ka pena ʻeleʻele. ʻO ke kumu nui o ka uhi ʻeleʻele ʻo ia ka hoʻolako ʻana i ka pale kumu mai ka ʻino a hoʻomaikaʻi i ke ʻano nani o ka paipu.
I ka hoʻomaʻamaʻa ʻana i ka ʻeleʻele ʻeleʻele, ua hoʻopili ʻia ka paipu kila i kahi kaʻina hana kemika e hoʻololi i ka papa o ka hao i magnetite (Fe3O4), e hana ana i kahi ʻeleʻele ʻeleʻele. Hāʻawi kēia ʻāpana lahilahi i ke kūʻē ʻana i ka ʻōpala a me ka ʻino, kūpono ia no nā noi o loko a i ʻole nā kaiapuni me ka haʻahaʻa haʻahaʻa.
ʻO nā paipu ʻeleʻele ʻo ASTM A795 i makemake pinepine ʻia i nā hoʻonohonoho ʻike ʻia kahi mea nui aesthetics, e like me nā hale kūʻai a i ʻole nā hana ʻoihana. ʻOiai ʻo ka uhi ʻeleʻele e hāʻawi i kahi pale, pono e hoʻomaopopo ʻaʻole lawa ia no nā kaiapuni koʻikoʻi a i ʻole nā noi waho me ka ʻole o nā hana pale.
ʻO ka uhi Zinc-wela:
ʻO ka zinc-coating wela, i ʻike ʻia ʻo galvanization, kahi ala i hoʻohana nui ʻia no ka pale ʻana ASTM A795 paipu kūʻē i ka ʻino. Ma kēia kaʻina hana, hoʻokomo ʻia ka paipu kila i loko o ka ʻauʻau o ka zinc hehee ma kahi o 450°C (842°F). Hoʻopili ka zinc me ka ʻili kila, e hana ana i ke ʻano o nā ʻāpana zinc-hao i hoʻopaʻa ʻia me kahi papa o ka zinc maʻemaʻe.
ʻO ka hopena o ka zinc coating e hāʻawi maikaʻi i ka pale ʻana i ka corrosion ma o nā mīkini ʻelua. ʻO ka mea mua, hana ia ma keʻano he pale kino, e pale ana i ka wai a me ka oxygen mai ka hikiʻana i ke kila kila. ʻO ka lua, hāʻawi ka zinc i ka pale cathodic, e kaumaha ana iā ia iho no ka pale ʻana i ke kila i lalo ʻoiai inā ʻoki ʻia a ʻeha paha ka uhi.
ʻO nā paipu ASTM A795 i hoʻopaʻa ʻia me ka zinc wela, kūpono ia no nā noi i loko a me waho, e hāʻawi ana i ka pale mau loa i ka ʻōpala a me ka ʻino. He mea maikaʻi loa kēia uhi i nā wahi humid a i ʻole nā wahi me ka ʻike ʻana i ka wai, e lilo ia i koho kaulana no nā ʻōnaehana sprinkler ahi ma nā ʻano like ʻole.
Hiki ke ʻokoʻa ka mānoanoa o ka uhi zinc, me nā uhi kaumaha e hāʻawi ana i ka lōʻihi o ka lōʻihi a me ka lōʻihi o ke ola lawelawe. Hōʻike pinepine ʻia ka mānoanoa o ka uhi ʻana i nā auneke no kēlā me kēia kapuaʻi square a i ʻole microns, me nā pae maʻamau no nā paipu ASTM A795 ma waena o 1.8 a 3.0 mau auneke no kēlā me kēia kapuaʻi square (550 a 915 g/m²).
ʻO Fusion Bonded Epoxy Coating (FBE):
ʻO ka uhi ʻana o Fusion Bonded Epoxy (FBE) kahi papa pale kiʻekiʻe i hoʻohana ʻia ASTM A795 paipu no ka pale ʻana i ka corrosion a me ka pale kemika. Hana ʻia kēia uhi e ka electrostatically e kau ana i ka epoxy maloʻo a pauka i kahi ʻili paipu preheated. ʻO ka wela ka mea e heheʻe ai ka pauka epoxy a kahe, e hana i kahi uhi paʻa paʻa mau i ka wā hoʻomaha.
Hāʻawi nā uhi FBE i nā pono he nui no nā paipu ASTM A795 i hoʻohana ʻia i nā ʻōnaehana pale ahi:
1. Kūleʻa maikaʻi i ka corrosion
2. Ke kū'ē kemika kiʻekiʻe
3. Hoʻopili maikaʻi i ka ʻili o ka paipu
4. Hoʻopau maʻemaʻe, hoʻemi i ka friction a hoʻomaikaʻi i nā ʻano kahe
5. Hiki ke pale i nā wela kiʻekiʻe 6. Ke kū'ē i ka disbondment cathodic
Hana kēia mau waiwai i nā paipu FBE-coated ASTM A795 i kūpono no nā kaiapuni paʻakikī, me ka poʻe i ʻike ʻia i nā kemika a i ʻole nā mea wela kiʻekiʻe. Hiki i ka ʻili ʻoluʻolu o nā uhi FBE ke kōkua i ka hoʻomaikaʻi ʻana i ka hana hydraulic i nā ʻōnaehana sprinkler ahi, hiki ke hoʻonui i ko lākou pono holoʻokoʻa.
Hoʻohana pinepine ʻia nā uhi FBE i nā mānoanoa mai 8 a 16 mils (200 a 400 microns), ma muli o nā koi kikoʻī o ka noi. Pono ke kaʻina hana uhi e hoʻomākaukau pono i ka ʻili a me nā kūlana noi hoʻomalu e hōʻoia i ka hana maikaʻi a me ka lōʻihi.
ʻO ka uhi ʻana o ka Polyester Resin:
Hāʻawi ka uhi ʻana o ka polyester resin i kahi koho ʻē aʻe no ka pale ʻana i nā paipu ASTM A795 i nā ʻōnaehana pale ahi. Hoʻohana pinepine ʻia kēia mau uhi e like me ka pauka a laila hoʻōla ʻia me ka wela, e like me ke kaʻina hana uhi FBE. ʻO ka hopena he hopena lōʻihi a paʻakikī e hāʻawi i ka pale ʻana i ka corrosion maikaʻi a me ka hoʻopiʻi nani.
ʻO nā hiʻohiʻona koʻikoʻi o ka polyester resin coatings no nā paipu ASTM A795: 1. ʻO ke kūpaʻa ʻana i ka corrosion maikaʻi 2. ʻO ka paʻa ʻana o ka waihoʻoluʻu maikaʻi a me ka paʻa o UV 3. Ke kūpaʻa abrasion 4. Hiki ke kū i nā hopena liʻiliʻi. kekahi mau uhi kiʻekiʻe
Hoʻohana nui ʻia ka uhi ʻana o ka resin polyester i nā noi kahi e ʻike ʻia ai nā paipu i ke kukui UV a i ʻole he mea nui ke kala kala no ka ʻike ʻana i ka ʻōnaehana. Hāʻawi lākou i kahi kaulike ma waena o ka pale a me ka aesthetics, e kūpono iā lākou no nā hoʻonohonoho i loko a me waho.
ʻO ka mānoanoa o ka polyester resin coatings ma ASTM A795 paipu maʻamau mai 2 a 5 mils (50 a 125 microns), ma muli o ka huahana kikoʻī a me nā koi noi. ʻOiai ʻaʻole like me ka pale kemika e like me nā uhi FBE, hāʻawi nā uhi polyester resin i ka pale kūpono no nā ʻōnaehana pale ahi maʻamau.
ʻO nā uhi ʻē aʻe:
Ma waho aʻe o nā ʻano uhi i ʻōlelo ʻia aʻe nei, aia kekahi mau ʻāpana kūikawā ʻē aʻe i hiki ke hoʻohana ʻia Nā paipu ASTM A795 no nā noi kikoʻī a i ʻole kaiapuni. Hiki i kēia mau mea ke komo: 1. Epoxy phenolic coatings: Hāʻawi maikaʻi i ka pale kemika a kūpono i nā noi wela kiʻekiʻe. 2. Nā uhi polyurethane: Hāʻawi i ke kū'ē abrasion maikaʻi a me ka maʻalahi, pono i nā wahi kūpono i ka pōʻino mechanical. 3. ʻO nā ʻāpana seramika: Hāʻawi i ke kūpaʻa wela loa a hiki ke hoʻohana ʻia i nā ʻōnaehana pale ahi kūikawā. 4. Nā uhi nylon: Hāʻawi i ka hopena maikaʻi loa a hiki ke hoʻomaikaʻi i nā ʻano kahe. 5. ʻO nā uhi Fluoropolymer: Hāʻawi i ke kūpaʻa kemika kiʻekiʻe a me nā waiwai non-stick, pono i kekahi mau hana ʻoihana.
ʻO ke koho ʻana o kēia mau ʻāpana kūikawā e pili ana i nā koi kikoʻī o ka ʻōnaehana pale ahi, me nā mea e like me nā kūlana kaiapuni, ka ʻike kemika, nā pae wela, a me ka hoʻokō kānāwai. Hiki ke kōkua ke kūkākūkā me nā loea pale a me nā ʻenekini pale ahi e hoʻoholo i ka uhi kūpono loa no nā noi kūʻokoʻa a paʻakikī paha.
Kina ASTM A795 paipu:
Ke ʻimi nei i nā paipu ASTM A795 no nā ʻōnaehana pale ahi, huli nā poʻe loea i nā mea hana Kina no ke kumu kūʻai hoʻokūkū a me nā huahana maikaʻi. ʻO kekahi o ia mea hana ʻo LONGMA GROUP, ka mea i hoʻokumu iā ia iho he mea hoʻolako hilinaʻi o nā paipu ASTM A795 i ka mākeke honua.
LONGMA GROUP kūikawā i ka hana ʻana ASTM A795 paipu me ʻelua mau ʻano uhi nui: ʻeleʻele a me Hot-Dipped Zinc-Coated. Hāʻawi kā lākou mau paipu ʻeleʻele i kahi hopena maikaʻi loa no nā noi o loko kahi e lawa ai ka pale corrosion kumu. Hāʻawi nā paipu i hoʻopaʻa ʻia i ka zinc-coated i hoʻonui ʻia i ke kūpaʻa corrosion, e kūpono ana iā lākou no nā ʻano ākea ākea, me nā mea hoʻokomo i waho.
Ma ka nānā ʻana i kēia mau ʻano uhi kaulana ʻelua, hiki i ka LONGMA GROUP ke hāʻawi i nā huahana kiʻekiʻe me ka mālama ʻana i ke kumu kūʻai hoʻokūkū. Hoʻopili kā lākou kaʻina hana i nā ana mana koʻikoʻi maikaʻi, e hōʻoia ana i ka hui ʻana o nā paipu a ʻoi aku paha i nā kūlana ASTM A795.
ʻO ka hoʻokō ʻana o LONGMA GROUP i ka maikaʻi, i hui pū ʻia me kā lākou hiki ke hana pono, lilo lākou i koho maikaʻi no nā papahana e koi ana i nā paipu ASTM A795. ʻO kā lākou ʻike i ka hana ʻana i nā paipu zinc-coated ʻeleʻele a me ka wela wela e hiki ai iā lākou ke hoʻokō i nā pono o ka papahana a me nā kikoʻī.
Inā ʻoe e koho ana i kahi mea hana paipu ASTM A795 no kāu ʻōnaehana pale ahi, e noʻonoʻo e kelepona iā LONGMA GROUP ma info@longma-group.com. Hiki i kā lākou hui ke hāʻawi i ka ʻike kikoʻī e pili ana i kā lākou huahana, nā kikoʻī uhi, a pehea e hiki ai i kā lākou paipu ke hoʻokō i nā koi o kāu noi kikoʻī.
