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Center line serurubele valve sealing thepa: Khetha thepa e loketseng ho ntlafatsa ho tšepahala tsamaiso

Serurubele sa mohala o bohareng_04

Center line serurubele valve ke e 'ngoe ea likarolo tsa bohlokoa tse sebelisoang hangata lits'ebetsong tsa taolo ea mokelikeli oa indasteri. Ha e sebelisoa, e le ho netefatsa ho tšepahala le ho sireletseha ha tsamaiso, ke habohlokoa haholo ho khetha thepa e nepahetseng ea ho tiisa. Sehlooho sena se tla kenyelletsa khetho ea lisebelisoa tsa ho tiisa le lisebelisoa tse sebelisoang ka tloaelo tsa valve ea serurubele sa bohareng ho ntlafatsa ho tšepahala ha tsamaiso.

Ho khethoa ha thepa e nepahetseng ea ho tiisa bakeng sa valve ea serurubele sa mohala o bohareng ho hlokahala ho nahana ka lintlha tse latelang: mofuta o mahareng, mocheso oa mocheso, litlhoko tsa khatello le thepa ea mokelikeli. Maemo a fapaneng a ts'ebetso a na le litlhoko tse fapaneng tsa lisebelisoa tsa ho tiisa, kahoo lintlha tsena li lokela ho nahanoa ka botlalo ha ho khethoa thepa.

Pele ho tsohle, mofuta oa mecha ea litaba ke e 'ngoe ea lintlha tsa bohlokoa tse amang khetho ea thepa ea ho tiisa. Mecha ea litaba e fapaneng e na le thepa e fapaneng ea lik'hemik'hale, joalo ka asiti le alkali, kutu le chefo. Lisebelisoa tse tloaelehileng tsa ho tiisa li kenyelletsa rabara, li-polymers, tšepe le lirafshoa. Bakeng sa mecha ea litaba e senyang, lisebelisoa tsa polymer tse hanyetsanang le acid le alkali tse kang polytetrafluoroethylene (PTFE) le polypropylene (PP) li ka khethoa. Bakeng sa mecha ea litaba ea mocheso o phahameng, lisebelisoa tsa ho tiisa tšepe tse kang tšepe e sa hloekang ke khetho e ntle.

Ea bobeli, mocheso oa mocheso le oona ke ntlha e lokelang ho nahanoa ha ho khethoa thepa e loketseng ea ho tiisa. Lisebelisoa tse fapaneng li na le maemo a fapaneng a mocheso. Ka mohlala, lisebelisoa tse tloaelehileng tsa ho tiisa rabara li tla tsofala le ho thatafala ka mocheso o phahameng, kahoo bakeng sa maemo a phahameng a mocheso, lisebelisoa tse thibelang mocheso tse kang graphite le tšepe li lokela ho khethoa.

Litlhoko tsa khatello ke ntlha e 'ngoe e lokelang ho nahanoa. Tlas'a maemo a khatello e phahameng, lisebelisoa tsa ho tiisa li hloka ho ba le ts'ebetso e phahameng ea khatello le matla. Lisebelisoa tsa ho tiisa tšepe hangata li na le thepa e ntle ea ho hatella 'me li loketse mekhoa ea khatello e phahameng. Ka nako e ts'oanang, elasticity le botsitso ba thepa ea ho tiisa le eona e tla ama ts'ebetso ea eona ea ho tiisa, ka hona hoa hlokahala ho khetha thepa e nang le elasticity e ntle le e tsitsitseng.

Qetellong, thepa ea mokelikeli e lokela ho nahanoa. Mekelikeli e meng e na le viscosity e phahameng kapa granular matter, 'me tahlehelo ea thepa ea ho tiisa e kholoanyane. Tabeng ena, lisebelisoa tse hanyetsanang le ho roala le ho senya, tse kang polyurethane le likopano tsa rabara, li hloka ho khethoa.

Ka kakaretso, khetho ea lisebelisoa tsa ho tiisa bakeng sa valve ea serurubele sa bohareng e lokela ho nahana ka lintlha tse kang mofuta o mahareng, mocheso oa mocheso, litlhoko tsa khatello le thepa ea mokelikeli. Khetho ea thepa e loketseng ea ho tiisa e ka ntlafatsa ka katleho ho tšepahala le ho sireletseha ha tsamaiso le ho lelefatsa bophelo ba tšebeletso ea valve ea serurubele. Qetellong, ho kgothaletswa ho buisana le baenjiniere ba litsebi kapa litsebi tse amehang ha u khetha thepa ea ho tiisa ho netefatsa hore lisebelisoa tse khethiloeng li finyella maemo a sebele a ho sebetsa.

 

Belofo ea serurubele se bohareng


Nako ea poso: Jul-25-2023

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