Mahana Kiʻekiʻe o ka Tar Wela a me ka Asphalt Hose
Hoʻopili ʻana i ka Hose Tar Wela
Hoʻohana kūikawā ʻia ka hose e hoʻouna i ke kēpau wela a me ka asphalt. Eia kekahi, kūpono ia no nā mea i hana ʻia ma ka petroleum. No ka laʻana, nā aila wela. ʻOiai ʻo ia ka mea maʻamau e lawelawe ʻia i loko o ke kūkulu ʻana, nā mīkini lawe lima, ke kaʻaahi a me ke kaʻa.
Wehewehena
Ua hoʻolālā kūikawā ʻia ka hose tar wela e kū i nā kūlana hana paʻakikī. Ma muli o ka paipu o loko nitrile rubber, hiki iā ia ke kū i ka mahana kiʻekiʻe. ʻOiai ʻo ka mahana kiʻekiʻe loa he 180℃. Eia kekahi, noho palupalu ia ʻoiai i -40℃. ʻO ka maikaʻi o ka mahana e kūpono ai no nā kūlana āpau. ʻOiai ʻo ka lole a me ke kaula kila e hoʻoikaika ai i ka hose e kūʻē i ka kink. No laila, maʻalahi ka hose e hoʻohana.
ʻO ka uhi nitrile kū i ka abrasion e hiki ai iā ia ke hana ma nā wahi paʻakikī. Eia kekahi, hiki iā ia ke kū i ke aniau a me ka ozone. Eia kekahi, pale ka ʻano hana kūikawā i ka hose mai ka maloʻo, ka nahā a me ka hāʻule ʻana.
Eia nō naʻe, eia kekahi mea āu e makaʻala ai. E emi ana ke kaomi hana me ka piʻi ʻana o ka mahana. ʻOiai ke hana ma luna o 100℃, e emi nui ke kaomi. No laila, pono ʻoe e hōʻoia i ke kūpono o ke kaomi. Eia kekahi, e loli ke ʻano elasticity me nā mahana like ʻole. No laila, inā he mau nīnau kāu, e ʻoluʻolu e kelepona iā Orientflex.
ʻO mākou kou loea i nā hose tar wela a me nā hose ʻē aʻe. Mai ka hoʻokumu ʻia ʻana i ka makahiki 2010, hoʻāʻo mākou i ka maikaʻi loa e hāʻawi iā ʻoe i nā huahana kūpono i ke kumukūʻai. No laila ke hana nei mākou i kekahi mau hana e kāohi i ka maikaʻi. Eia kekahi, ʻo 7 mau ʻōnaehana hoʻolako a me ka lawelawe kū hoʻokahi e hāʻawi iā ʻoe i ka ʻike kūʻai maikaʻi loa.
