Thetjheseletsa bolo valveke mofuta oa valve o sebelisoang haholo libakeng tse fapaneng tsa indasteri.Ka sebopeho sa eona se ikhethang le ts'ebetso e ntle haholo, e fetohile karolo ea bohlokoahali lits'ebetsong tse ngata tsa taolo ea mokelikeli.

Pele,li-valve tsa bolo tse cheselitsoengli sebelisoa haholo indastering ea oli le khase.Lebaleng lena, li-valve li hloka ho mamella likhatello le mocheso o phahameng haholo, empa hape li hloka ho tiisa hantle le ho hanyetsa kutu.Li-valve tsa bolo tse cheselitsoeng ka botlalo li etselitsoe ho fihlela litlhoko tsena 'me ka hona li sebelisoa khafetsa liphaepheng tsa oli le khase.

Ea bobeli,li-valve tsa bolo tse cheselitsoenghape e phetha karolo ea bohlokoa indastering ea lik'hemik'hale.Nakong ea tlhahiso ea lik'hemik'hale, lintho tse fapaneng tsa lik'hemik'hale li hloka ho laoloa le ho laoloa ka nepo.Ho bula le ho koala kapele ha valve ea khokahanyo ea flange le thepa e ntle ea ho tiisa ho ba etsa khetho e nepahetseng.Ho phaella moo, li-valve tsa bolo tse cheselitsoeng li ka boela tsa etsoa ho latela litlhoko tse fapaneng tsa ts'ebetso ho ikamahanya le maemo a sa tšoaneng a ho laola mokelikeli.

Ntle le moo, flange ea bolo ea li-valve e boetse e sebelisitsoe matla a motlakase, metallurgy, meriana le liindasteri tse ling.Libakeng tsena, li-valve li hloka ho tšepahala ho phahameng le bophelo bo bolelele ho netefatsa ts'ebetso e tsitsitseng ea mohala oa tlhahiso.Sebopeho se tiileng le lisebelisoa tsa boleng bo phahameng ba valve ea welded ball e nolofalletsa ho finyella litlhoko tsena, kahoo e fana ka tiiso e matla bakeng sa tlhahiso ea khoebo.

Ka bokhutšoanyane, Cngtjheseletsa bolo valveka ts'ebetso ea eona e ntle haholo le ts'ebeliso e pharaletseng, e fetohile mofuta oa li-valve oa bohlokoa haholo mafapheng a mangata a indasteri.Ka tsoelopele ea mahlale le thekenoloji le nts'etsopele ea indasteri, menyetla ea ts'ebeliso ea li-valve tsa bolo ea welding e tla ba kholo.Nakong e tlang, re ka lebella ho bona lihlahisoa tse ncha tse nang le li-valve tsa bolo, tse tlisang litharollo tse sebetsang hantle le tse tšepahalang bakeng sa taolo ea mokelikeli mafapheng a fapaneng.

Haeba u na le litlhoko tse amanang, u ka ikopanya le rona ka tlase, valve ea Jinbin ho u fa tharollo e molemohali.