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High temp PTFE gasket durability?
2026-02-10
E ʻoiaʻiʻo, ke nīnau kekahi e pili ana i ke kiʻekiʻe kiʻekiʻe o ka PTFE gasket durability, ke kiʻi pinepine nei lākou i kahi sila kilokilo e hoʻopaʻa i 500 ° F mau loa. ʻO ia ka wahi mua a mākou e hele ai. He maikaʻi ka PTFE, akā pili ka mahana kiʻekiʻe, a pili ka lōʻihi i ka mea āu e noi nei e hana. He kaʻa kaʻa wela mau? Aia ka ʻike kemika ma luna o ka wela? A i ʻole he flange paʻa, wela wale nō? Hoʻololi ka pane i nā mea a pau.
ʻO ka manaʻo kuhihewa kiʻekiʻe a me ka mea maoli
Hoʻomaka ka PTFE maʻemaʻe e kolo nui ma luna o 400°F (ma kahi o 204°C). Hiki iā ʻoe ke ʻike i nā ʻikepili e ʻōlelo ana hiki ke hoʻohana ʻia a hiki i 500°F (260°C), a ma ke ʻano ʻenehana, ʻaʻole ia e heheʻe koke. Akā ma kēlā mau palena kiʻekiʻe, palupalu kona mau waiwai kino. Hiki ke kahe anuanu ke kinoea, ʻo ia hoʻi ke ʻano lohi ʻo ia ma lalo o ka ukana bolt, e alakaʻi ana i ka hoʻomaha hoʻomaha a me ka leakage. No laila, ʻo ka lōʻihi ma 250 ° C he nīnau o ka manawa a me ke kaomi, ʻaʻole he ʻae / ʻaʻole maʻalahi.
Hoʻomanaʻo wau i kahi papahana ma kahi laina kemika me ka hoʻomaʻemaʻe mahu. Piʻi ka mahana i 230°C no nā manawa pōkole. Ua hoʻohana mākou i kahi ʻO ka pahu PTFE, a ua hana… no kahi o ʻekolu mahina. A laila, hoʻomaka ka liki ma nā puka bolt. ʻAʻole ʻo ka pilikia ka wela kiʻekiʻe no kēlā me kēia, akā ua hui pū ʻia nā pōʻai wela mau me ka hoʻololi ʻana o ka flange i ka wā bolting. Ua nalowale ka waiwai i kona kūpaʻa.
ʻO ia ke kumu i komo ai nā māka PTFE piha. ʻO nā mea e like me ka PTFE i piha i ke aniani a i ʻole ka carbon-filled PTFE e hoʻomaikaʻi nui i ka pale ʻana i nā kolo. Hiki iā lākou ke mālama i nā ukana mechanical kiʻekiʻe ma nā mahana kiʻekiʻe, e hoʻonui i ke ola lawelawe. Akā naʻe, ke kūʻai aku nei ʻoe i kekahi o ke kūpaʻa kemika maikaʻi loa o ka PTFE. He kuʻikahi mau.
Nā ʻano hāʻule e aʻo wale ʻoe ma ka ʻike ʻana
Ma waho aʻe o ka creep, ʻo ka mea pepehi nui ka hoʻohaʻahaʻa wela. ʻO ka loaʻa ʻana o ka lōʻihi ma ka hopena o luna o ka pae wela ke kumu e lilo ai ka PTFE i mea palupalu. ʻAʻole heheʻe; hoʻomaka ʻo ia e pohā, ʻoi aku hoʻi i ka wā o ka pani ʻana ke maʻalili nā mea. E ʻike ʻoe i ka ʻōpala i haki ʻia i nā ʻāpana ke wehe ʻoe i ka flange.
ʻO kekahi mea maʻalahi ka hoʻopau ʻana o ka flange surface. Ma nā lawelawe wela kiʻekiʻe, hiki ke kuhikuhi ʻia kahi hopena serrated no ka nahu maikaʻi. Akā me kahi mea palupalu e like me ka PTFE, hiki i kēlā mau serration ke ʻoki i loko o ka gasket i ka manawa, ʻoi aku hoʻi i ka wā o ka hoʻonui ʻana i ka wela. Ua hoʻololi au i kahi ʻāpana ʻōpala me ka PTFE hoʻopiha no ia mau hihia, kahi e lawe ai nā wili metala i ka nahu mechanical, a hāʻawi ka PTFE i ke sila. ʻOi aku ka maikaʻi ka lōʻihi.
ʻO ke kaomi ka hapa ʻē aʻe o ka hoohalike. Hiki i ka laina mokumahu haʻahaʻa haʻahaʻa ke ʻae i ka gasket PTFE i nā makahiki i hala. ʻO kēlā mahana like me ke kaomi kūloko kiʻekiʻe, ʻoiai inā he cyclic, e pōkole loa i kona ola. Ke hoʻololi mau nei ka ukana ma ke alo gasket, e hana ana i ka mea.
Koho kūpono a me ka hoʻokomo ʻana i nā lua
ʻOi aku ka nui o ka mānoanoa gasket ma mua o ka manaʻo o ka poʻe. No nā polokalamu kiʻekiʻe, makemake wau e hele i ka lahilahi. ʻAʻole liʻiliʻi nā mea e kolo ai a hoʻoneʻe ʻia ka gasket 1.5mm ma mua o ka 3mm. Pono nō hoʻi ia i ka ukana bolt kiʻekiʻe e hoʻopaʻa mua ai, e alakaʻi ana i ke kumu koʻikoʻi e hiki mai ana: ke kaʻina hana bolting.
Inā ʻaʻole ʻoe e loaʻa ka ukana bolt mai ka hoʻomaka ʻana, poina e pili ana i ka wā lōʻihi kiʻekiʻe temp hoʻokō. Under-torquing, a ʻilihune ka sila mua. Over-torquing, a ua hoʻopaʻa ʻoe i ka PTFE ma mua o ka hoʻihoʻi ʻana, e wikiwiki ana i ka creep. ʻAʻole maikaʻi wale ka hoʻohana ʻana i ka torque wrench calibrated a me ke kaʻina hoʻopaʻa ʻana i ke ʻano kea kūpono; ʻo ia ka ʻokoʻa ma waena o ka gasket i hoʻokahi makahiki a ʻekolu paha.
Ua aʻo mākou i kēia ma ke ala paʻakikī ma kahi panakō o nā mea hoʻololi wela. Ua hoʻohana ka hui mālama i nā wrenches hopena no ka wikiwiki. Ua puhi ʻia nā gaskets (he ʻano PTFE i hoʻoikaika ʻia) i loko o nā pule o ka hiki ʻana i ka mahana hana. Ua hoʻokumu ʻia nā wahi koʻikoʻi kūloko i hoʻopau ʻia ka wela.
Ka wā e hoʻohana ai a me ka wā e hele aku ai
No laila, ma hea kahi kiʻekiʻe temp PTFE gasket i manaʻo? No ka lawelawe mau ʻana, e makaʻala au ma luna o 200°C ke ʻole ia he papa piha a haʻahaʻa ke kaomi. Aia kona wahi momona i loko o ka lawelawe corrosive kahi i haʻahaʻa ai ka mahana akā hoʻopau nā kemika i ka hapa nui o nā elastomers. No ka laʻana, kahe wai wai wela ma 150-180°C.
No ka wela kiʻekiʻe maoli, nā ʻūhā kiʻekiʻe, e like me ka hana mana, ke nānā nei ʻoe i ka graphite, spiral-wound, a i ʻole nā ʻano apo. ʻAʻole ʻo PTFE ka mea pāʻani ma laila. Ua ʻike au i nā kikoʻī mai nā ʻoihana ʻenekinia e kāhea makapō i ka PTFE no ka pale ʻana i ka corrosion ma kahi laina 280 ° C, a he mea ʻai ia no ka pani ʻana. Pono ʻoe e hoʻihoʻi i hope me nā palena waiwai.
I kekahi manawa, hoʻopaʻa ʻia ka hopena. ʻO kahi papahana aʻu i hana ai me kahi mea hoʻolako like Handan Ziti Hards Mea Hana Kukula Nui Co., Ltd. (ua hoʻokumu ʻia lākou ma Yongnian, ka hale hoʻopaʻa paʻa nui ma Hebei, hiki iā ʻoe ke loaʻa iā lākou ma ZaitamesTers.com) ʻaʻole pili wale i ka gasket akā ʻo ka ʻōnaehana bolting holoʻokoʻa. Ua makemake mākou i nā bolts ikaika kiʻekiʻe e hiki ke mālama i ka ukana ma ka mahana e mālama i ka PTFE gasket hana. He ʻōnaehana, ʻaʻole he ʻāpana kaʻawale.
ʻO ka nānā lōʻihi a me nā mea ʻē aʻe
ʻO ka lōʻihi e pili ana i ka huina kālā. ʻO kahi gasket PTFE maikaʻi i hāʻule i loko o 6 mau mahina ke kumu kūʻai aku i ka hana a me ka manawa haʻahaʻa ma mua o ke kumu kūʻai ʻoi aku ka maikaʻi o ka hoʻoheheʻe ʻana i ka ʻeha he 5 mau makahiki. Pono ʻoe e helu i ka papa hana mālama a me ka koʻikoʻi o ka laina.
No nā pani pani i nā flanges e kū nei, e ana mau i ke āpau i ka mahana hana inā hiki iā ʻoe. Kahiko flanges warp. ʻO ke kinoea āu e hoʻokomo ai i ke anu e hoʻopaʻa i ka wela, i loko o kahi geometry ʻino. I kekahi manawa, ʻo ka koho lōʻihi loa e hoʻoponopono mua i ka flange.
I ka hopena, ʻo ka pane ʻana e koi iā ʻoe e nīnau i ʻumi mau nīnau hou aʻe. He aha ka ʻike wela pono? He aha ka mea waena? He aha ke ʻano o ka flange a me ka bolting? ʻAʻohe pane hoʻokahi, ʻo kahi hoʻonohonoho kūʻai wale nō e pili ana i ka ʻike - a i kekahi manawa, i nā hemahema i hala. ʻAʻole mau loa ka pahuhopu; ʻo ia no ka wānana lawelawe hilinaʻi hiki iā ʻoe ke hoʻolālā a puni. A no ia mea, ʻo ka hoʻomaopopo ʻana i nā palena o ka honua maoli ka mea e hana.
![[Hoʻolaha Hoʻouna] Ua hoʻouna ʻia nā bolts heleuma i South Korea.](https://www.zitaifasteners.com/wp-content/uploads/Gasket-Series518-1.jpg)
Eʻoluʻolu e waiho iā mākou i kahi leka
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Wechat
Kulekele pilikino
ʻO kā mākou kūpaʻa i ka pilikino
Hoʻolauna.
Hoʻomaopopo ʻo Rainbow Inc. i ke koʻikoʻi o ka pale ʻana i ka pilikino o nā ʻike pilikino a pau i hāʻawi ʻia e kāna mau mea kūʻai aku, me nā mea hoʻohana o www.rainbow-inkjet.com a me nā pūnaewele ʻē aʻe o Rainbow Inc. Ua hana mākou i nā alakaʻi kulekele e pili ana me ka mahalo nui i ke kuleana pilikino o kā mākou mea kūʻai aku a no ka mea mahalo mākou i kā mākou pilina me kā mākou mea kūʻai. ʻO kāu kipa ʻana i nā Paena Rainbow Inc. Aia ma lalo o kēia ʻōlelo Kūʻai pilikino a me kā mākou mau ʻōlelo a me nā Kūlana Online.
wehewehe.
Hōʻike kēia ʻōlelo pilikino i ke ʻano o ka ʻike a mākou e hōʻiliʻili ai a pehea mākou e hoʻohana ai i kēlā ʻike. Hōʻike pū kā mākou ʻōlelo pilikino i nā hana a mākou e hana ai no ka pale ʻana i ka palekana o kēia ʻike a me pehea e hiki ai iā ʻoe ke kiʻi iā mākou e hoʻonui i kāu ʻike pili.
ʻOhi ʻikepili
ʻIkepili Pilikino i ʻohi pololei ʻia mai nā malihini mai.
Hōʻiliʻili ʻo Rainbow Inc. i ka ʻike pilikino ke: waiho ʻoe i nā nīnau a i ʻole nā manaʻo iā mākou; noi ʻoe i ka ʻike a i ʻole nā mea waiwai; noi ʻoe i ka palapala hoʻokō a i ʻole ka lawelawe a me ke kākoʻo hope; komo ʻoe i nā noiʻi; a ma nā ʻano ʻē aʻe i hāʻawi ʻia ma nā Paena Rainbow Inc. a i ʻole ma kā mākou leka me ʻoe.
Ke ʻano o ka ʻikepili pilikino.
ʻO ke ʻano o ka ʻike i hōʻiliʻili pololei ʻia mai ka mea hoʻohana hiki ke komo i kou inoa, ka inoa o kāu hui, ka ʻike pili kino, ka helu wahi, ka ʻike pili kālā a me ka lawe ʻana, ka leka uila, nā huahana āu e hoʻohana ai, ka ʻike demographic e like me kou mau makahiki, nā makemake, a me nā makemake a me ka ʻike e pili ana i ke kūʻai ʻana a i ʻole ke kau ʻana o kāu huahana.
'Ohi 'akomi 'ole ka 'ikepili pilikino.
Hiki iā mākou ke hōʻiliʻili i ka ʻike e pili ana i kāu launa pū me Rainbow Inc. Paena a me nā lawelawe. No ka laʻana, hiki iā mākou ke hoʻohana i nā mea hana loiloi pūnaewele ma kā mākou pūnaewele e kiʻi i ka ʻike mai kāu polokalamu kele pūnaewele, me ka pūnaewele āu i hele mai ai, ka ʻenekini (mau) a me nā huaʻōlelo āu i hoʻohana ai no ka ʻimi ʻana i kā mākou pūnaewele, a me nā ʻaoʻao āu e nānā ai i loko o kā mākou pūnaewele. Eia hou, hōʻiliʻili mākou i kekahi mau ʻike maʻamau a kāu polokalamu kele pūnaewele e hoʻouna ai i kēlā me kēia pūnaewele āu e kipa ai, e like me kāu IP address, ʻano polokalamu kele pūnaewele, nā mana a me ka ʻōlelo, kāu ʻōnaehana hana, nā manawa komo a me nā helu wahi pūnaewele.
Hoʻopaʻa a me ka hana ʻana.
Hiki ke mālama ʻia a mālama ʻia ka ʻikepili pilikino i hōʻiliʻili ʻia ma kā mākou pūnaewele ma ʻAmelika Hui Pū ʻIa kahi e mālama ai ʻo Rainbow Inc.
Pehea mākou e hoʻohana ai i ka ʻikepili
Nā lawelawe a me nā kālepa.
Hoʻohana mākou i kāu ʻikepili pilikino no ka hāʻawi ʻana i nā lawelawe a i ʻole hoʻokō i nā hana āu e noi ai, e like me ka hāʻawi ʻana i ka ʻike e pili ana i nā huahana a me nā lawelawe ʻo Rainbow Inc., ka hoʻoponopono ʻana i nā kauoha, ka pane ʻana i nā noi lawelawe o nā mea kūʻai aku, hoʻomaʻamaʻa i ka hoʻohana ʻana i kā mākou pūnaewele, hiki ke kūʻai aku ma ka pūnaewele, a pēlā aku. I mea e hāʻawi aku iā ʻoe i kahi ʻike maʻamau i ka launa pū ʻana me Rainbow Inc., hiki ke hui pū ʻia ka ʻike i hōʻiliʻili ʻia e kā mākou pūnaewele me ka ʻike a mākou e hōʻiliʻili ai ma nā ala ʻē aʻe.
Hoʻomohala Huahana.
Hoʻohana mākou i ka ʻikepili pilikino a me ka ʻike ʻole no ka hoʻomohala ʻana i ka huahana, me nā kaʻina hana e like me ka hana manaʻo, ka hoʻolālā huahana a me ka hoʻomaikaʻi ʻana, ka ʻenekini kikoʻī, ka noiʻi mākeke a me ka nānā ʻana i ke kālepa.
Hoʻomaikaʻi pūnaewele.
Hiki iā mākou ke hoʻohana i ka ʻikepili pilikino a me ka ʻike ʻole no ka hoʻomaikaʻi ʻana i kā mākou pūnaewele (me kā mākou mau hana palekana) a me nā huahana a i ʻole nā lawelawe e pili ana, a i ʻole e hoʻohana maʻalahi i kā mākou pūnaewele ma ka hoʻopau ʻana i ka pono no ʻoe e hoʻokomo pinepine i ka ʻike like a i ʻole ma ka hoʻonohonoho ʻana i kā mākou pūnaewele i kāu makemake a makemake paha.
Kūʻai Kūʻai.
Hiki iā mākou ke hoʻohana i kāu ʻikepili pilikino e haʻi iā ʻoe i nā huahana a i ʻole nā lawelawe i loaʻa mai Rainbow Inc. Ke hōʻiliʻili i ka ʻike e hoʻohana ʻia e hoʻopili iā ʻoe e pili ana i kā mākou huahana a me nā lawelawe, hāʻawi pinepine mākou iā ʻoe i ka manawa e haʻalele ai i ka loaʻa ʻana o ia mau kamaʻilio. Eia kekahi, ma kā mākou leka uila me ʻoe hiki iā mākou ke hoʻokomo i kahi loulou unsubscribe e ʻae iā ʻoe e hoʻōki i ka lawe ʻana i kēlā ʻano kamaʻilio. Inā koho ʻoe e kāpae, e wehe mākou iā ʻoe mai ka papa inoa kūpono i loko o 15 mau lā ʻoihana.
Hoʻoholo i ka palekana ʻikepili
Palekana.
Ke hoʻohana nei ʻo Rainbow Inc. Corporation i nā mea e mālama pono ai i ka ʻike pilikino i hōʻike ʻia iā mākou. No ka pale ʻana i ka ʻae ʻole, mālama i ka pololei o ka ʻikepili, a me ka hōʻoia ʻana i ka hoʻohana pono ʻana i ka ʻike, ua kau mākou i nā kaʻina hana kino, uila, a me ka hoʻokele kūpono e mālama a hoʻopaʻa i kāu ʻike pilikino. No ka laʻana, mālama mākou i nā ʻikepili pilikino koʻikoʻi ma nā ʻōnaehana kamepiula me ka liʻiliʻi o ke komo ʻana i loaʻa i nā hale i kaupalena ʻia ke komo. Ke neʻe nei ʻoe a puni kahi pūnaewele āu i komo ai, a i ʻole mai kahi pūnaewele a i kekahi pūnaewele e hoʻohana ana i ka mīkini komo like, hōʻoia mākou i kou ʻike ma o kahi kuki i hoʻopili ʻia i kau ʻia ma kāu mīkini. Eia naʻe, ʻaʻole ʻo Rainbow Inc. Corporation e hōʻoiaʻiʻo i ka palekana, ka pololei a i ʻole ka piha ʻana o kēlā me kēia ʻike a i ʻole kaʻina hana.
Pūnaewele.
ʻAʻole paʻa loa ka hoʻouna ʻana i ka ʻike ma o ka pūnaewele. ʻOiai mākou e hana maikaʻi loa e pale i kāu ʻike pilikino, ʻaʻole hiki iā mākou ke hōʻoia i ka palekana o kāu ʻike pilikino i hoʻouna ʻia i kā mākou Pūnaewele. ʻO kēlā me kēia hoʻouna ʻana i ka ʻike pilikino ma kou pilikia. ʻAʻole mākou kuleana no ke kaʻe ʻana i nā hoʻonohonoho pilikino a i ʻole nā hana palekana i loaʻa ma nā Paena Rainbow Inc.
Kāhea iā mā˚ou
Inā he mau nīnau kāu e pili ana i kēia ʻōlelo pilikino, kā mākou lawelawe ʻana i kāu ʻikepili pilikino, a i ʻole kāu kuleana pilikino ma lalo o ke kānāwai pili, e ʻoluʻolu e kelepona mai iā mākou ma ka leka uila ma ka helu ma lalo nei.
Rainbow Inc.
Attn: Katherine Tan
Hoʻohui: No.1658 Husong Road, Shanghai, Kina.
Hōʻike Hou
Hoʻoponopono.
Aia i ka Rainbow Inc. ke kuleana e hoʻololi i kēia ʻōlelo pilikino i kēlā me kēia manawa. Inā hoʻoholo mākou e hoʻololi i kā mākou ʻōlelo pilikino, e kau mākou i ka ʻōlelo i hoʻoponopono ʻia ma aneʻi.
Lā.
Ua hoʻololi hope ʻia kēia ʻōlelo huna huna ma Sepatemaba 7, 2022.