Tšebeliso ea letlapa la rabara ea asbestos indastering ea ho tiisa li-valve e na le melemo e latelang:

Theko e tlaase: Ha e bapisoa le lisebelisoa tse ling tse phahameng tsa ho tiisa, theko ea letlapa la rabara ea asbestos e theko e tlaase.

Khanyetso ea lik'hemik'hale: Letlapa la rabara ea asbestos le na le khanyetso e ntle ea kutu bakeng sa seaplane se itseng se nang le lik'hemik'hale tse batlang li le bobebe, tse ka fihlelang litlhoko tsa maemo a akaretsang a ts'ebetso.

Tlhokomelo e bonolo: Hobane letlapa la rabara ea asbestos le bonolo ho le sebetsa le ho le nkela sebaka, le bonolo haholoanyane bakeng sa tlhokomelo ea valve.

Bothata bo boholo ka ho fetisisa ba letlapa la rabara ea asbestos ke hore le hoja thepa ea gasket e eketsoa ka rabara le li-fillers tse ling, e ntse e sa khone ho tlatsa ka ho feletseng li-pores tse nyenyane tse kopanyang, 'me ho na le ho kenella ha trace.Ka hona, sebakeng se silafatsang haholo, le haeba khatello le mocheso li se holimo, li ke ke tsa sebelisoa.Ha e sebelisoa mecheng e meng ea oli ea mocheso o phahameng, hangata nakong ea morao-rao ea tšebeliso, ka lebaka la carbonization ea rabara le filler, matla a fokotsehile, thepa e fetoha e hlephileng, 'me ho na le ho kenella ha sebopeho le ka hare ho gasket, le ho na le ho pheha le ho tsuba.Ho phaella moo, letlapa la rabara ea asbestos le tlamahane habonolo le holim'a ho tiisa flange ka mocheso o phahameng, e leng se tlisang mathata a mangata ho nkela gasket sebaka.

Boemong bo futhumetseng, khatello ea gasket mecheng ea litaba e fapaneng e itšetlehile ka tekanyo ea ho boloka matla ea thepa ea gasket.Ho na le metsi a kristale le metsi a adsorbed ka thepa ea fiber ea asbestos.Ho 110 ℃, 2/3 ea metsi a adsorbed pakeng tsa likhoele e se e le pula, 'me matla a likhoele a fokotsehile ka hoo e ka bang 10%.Ho 368 ℃, metsi ohle a adsorbed a tsoa, ​​'me matla a khoele a fokotseha ka hoo e ka bang 20%.Ka holimo ho 500 ℃, metsi a kristale a qala ho na, 'me matla a fokotseha.

Letlapa la rabara ea asbestos le na le li-ion tsa chloride le sulfide, tse bonolo ho theha lisele tsa galvanic tse nang le li-flange tsa tšepe ka mor'a ho kenngoa ha metsi, haholo-holo sebabole sa pampiri ea rabara ea asbestos e hanyetsanang le oli e phahame ka makhetlo a 'maloa ho feta ea letlapa le tloaelehileng la rabara ea asbestos, kahoo ha e tšoanelehe. bakeng sa ho sebelisoa mecheng ea litaba e seng mafura.Li-gaskets li tla ruruha ka har'a oli le mecha ea ho qhibiliha, empa ka har'a mefuta e itseng, ha e le hantle ha ho na tšusumetso mosebetsing oa ho tiisa.

Leha ho le joalo, ke habohlokoa ho hlokomela hore asbestos e khethiloe e le ntho e kotsi, 'me tšebeliso ea maqephe a rabara ea asbestos e ka hlahisa likotsi tse ka' nang tsa e-ba teng bophelong le tikolohong.