Talanoaga i le filifiliga o le pa'u flange(I)

  pa'u naturae talafeagai mo le vai, vai sami, ea, kasa inert, alkali, masima masima vaifofo ma isi ala o faasalalauga, ae le tetee i le suauu minerale ma non-polar solvents, umi faaaogaina vevela e le sili atu i le 90 ℃, maualalo le vevela faatinoga e sili ona lelei. , e mafai ona faʻaaogaina i luga -60 ℃.

  Pa'u nitrilee talafeagai mo oloa suauu, e pei o le suauu, lubricating suauu, suauu suauu, ma isi, umi umi faaaogaina vevela o le 120 ℃, e pei o le suauu vevela e mafai ona tatalia 150 ℃, maualalo vevela -10 ~ -20 ℃.

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  Pa'u neoprenee talafeagai mo le sami, vai vaivai, vaivai alkali, masima vaifofo, sili ona tetee i le okesene ma le ozone matua, suauu tetee e maualalo ifo i le nitrile paʻu ma sili atu nai lo isi paʻu lautele, umi faʻaaogaina vevela i lalo ole 90 ℃, maualuga faʻaoga vevela e le sili atu i le 130 ℃, maualalo le vevela -30 ~ -50 ℃.

E tele ituaiga opa'u fluorine, latou te maua lelei acid tetee, oxidation tetee ma suauu tetee, solvent tetee.E mafai ona faʻaaogaina i le toetoe lava o faʻasalalauga faʻasalalau uma faʻapea foʻi ma nisi o suauʻu ma solvents, faʻaaogaina umi o le vevela i lalo ole 200℃.

Pepa paʻu e pei o se flange gasket, e masani ona faʻaaogaina mo pipelines poʻo le tele o manholes disassembled, pu lima, o le mamafa e le sili atu i le 1.568MPa.Talu ai i ituaiga uma o gaskets, pa'u gaskets e sili ona vaivai, lelei le faʻatinoina o faʻatinoga, ma e mafai ona taʻalo se faʻamaufaʻailoga i lalo o se faʻamalosi laʻititi muamua.Ona o lenei mea, pe a oʻo i le mamafa i totonu, e faigofie ona oomi i fafo ona o le mafiafia poʻo le maualalo o le maaa o le gasket.

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Pepa paʻu faʻaaogaina i le benzene, ketone, ether ma isi solvents organic, e faigofie ona faʻaalia le fula, mamafa mamafa, mea vaivai, pipii, e mafua ai le faʻamaufaʻailoga.E masani lava, afai e sili atu i le 30% le maualuga o le fula, e le mafai ona faʻaaogaina.

I le tulaga o le maualalo o le mamafa (aemaise lava i lalo ole 0.6MPa) ma le gaogao, o le faʻaogaina o paʻu paʻu e sili atu ona talafeagai.O mea pa'u o lo'o i ai le density lelei ma le maualalo o le fa'aogaina.Mo se faʻataʻitaʻiga, o le paʻu fluorine e sili ona talafeagai mo le faʻamauina o gaskets o koneteina vacuum, ma o le vacuum degree e oʻo atu i le 1.3 × 10-7Pa.A faʻaaogaina le paʻu paʻu i le vacuum degree vacuum range of 10-1 ~ 10-7Pa, e manaʻomia ona tao ma pamu.


Taimi meli: Aukuso-22-2023