Valve ea Amerika e Tloaelehileng ea tšepe ea Globe
Tlhaloso ea Tlhahiso
● Mohaho ona o bonolo, 'me ho etsoa le ho o hlokomela ho batla ho le bonolo.
● Leqeba le sebetsang le le lenyenyane, 'me nako ea ho bula le ho koala e khutšoanyane.
● Ts'ebetso e ntle ea ho tiisa, khohlano e nyane lipakeng tsa libaka tse koalang, le bophelo bo bolelele ba ts'ebeletso.
● Mefuta ea tšepe e entsoeng ka tšepe ea Amerika li-valve tsa globe tse tloaelehileng: ho ea ka boemo ba khoele ea stem, ho na le mofuta oa khoele ea ka ntle le mofuta oa khoele ea ka hare.Ho ea ka tataiso ea phallo ea seaplane, ho na le mofuta o otlolohileng, mofuta o tobileng oa hona joale le mofuta oa angle.Belofo ea lefats'e e arotsoe ka mokhoa oa ho tiisa, ho kenyelletsa ho paka seal globe valve le bellows seal globe valve.
● Boqhetseke.'Mele oa valve o entsoe ka nepo, bokaholimo bo hlakile, thepa e tšoailoe ka nepo, 'me tšebeliso e hlakile haholoanyane.
● Mohele oa motho.Wrench e entsoeng ke motho e totobatsa ts'ebeliso, mme sebopeho sa polokeho ea linotsi sea utloahala.
● Thibela 'mele oa valve.Ho tiisa 'mele oa li-valve ho eketsa khatello ea ho jara ka tekanyo e le' ngoe tlas'a maemo a tšoanang a khatello, ho etsa hore polokeho e be e sireletsehileng haholoanyane.
● Khetho ea thepa e ntle haholo, e tsamaellana le litekanyetso tsa lehae le tsa kantle ho naha, 'me boleng ba thepa ka kakaretso bo phahame.
● E finyella litlhoko tsa litekanyetso tse tsoetseng pele lapeng le linaheng tse ling, ka tiiso e ka tšeptjoang, ts'ebetso e babatsehang le ponahalo e ntle.
● Thepa ea ho tiisa e tsoetse pele ebile e utloahala.Likarolo tse tiisitsoeng tsa poleiti ea heke le setulo sa li-valve li entsoe ka li-alloys tse thata tse thehiloeng ho Stellite cobalt tse thata tse fapaneng.Ho tiisoa hoa tšepahala, ho thata haholo, ho hanyetsa ho roala, ho hanyetsa mocheso o phahameng, ho hanyetsa kutu, ho thibela ts'ebetso e ntle ea abrasion le bophelo bo bolelele.
● Sekhahla sa valve se tingoa 'me se halefile' me se na le nitrided e ka holimo, e nang le khanyetso e ntle ea kutu, e thibelang ho senya le ho apara.
● Mohaho oa heke oa rekere oa mofuta oa wedge oa amoheloa, li-diameter tse mahareng le tse kholo li fanoa ka li-thrust bearings, matla a khohlano a nyane, 'me a na le bukana ea tšusumetso, e ka buloang le ho koaloa habonolo.
Sebaka sa Kopo
Sebaka sa kopo: E sebelisoa liphaepheng tsa maemo a fapaneng a ts'ebetso joalo ka petroleum, lik'hemik'hale, limela tsa motlakase oa mocheso, joalo-joalo, ho khaola kapa ho hokahanya liphaephe. E loketse metsi, oli, mouoane le mecha e meng ea litaba.
Litlhaloso tsa Sehlahisoa
lebitso khatello (LB) | Tlhahlobo ea likhetla | teko ea khatello | mocheso o sebetsang(°C) | mocheso o sebetsang |
150 | 3.0 | 2.2 | ≤350 ℃ | Metsi, mouoane, lihlahisoa tsa oli, joalo-joalo |
300 | 7.5 | 5.5 | ||
600 | 15.0 | 11.0 | ||
900 | 22.5 | 16.5 |