SebakaTianjin, Chaena (Bohareng)
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Motheo oa Khetho ea Li-valve le Tataiso II

Mehato ea ho khetha li-valve:

1. Hlalosa tšebeliso ea valve ka thepa kapa sesebelisoa, etsa qeto ea maemo a sebetsang a valve: sebaka se loketseng, khatello ea ho sebetsa, mocheso o sebetsang joalo-joalo.

2. Etsa qeto ea bophara ba lebitso le mokhoa oa ho kopanya oa pipe e kopanyang le valve: flange, khoele, welding, jacket, ho lokisa ka potlako, joalo-joalo.

3. Etsa qeto ea mokhoa oa ho sebelisa valve: manual, motlakase, electromagnetic, pneumatic kapa hydraulic, motlakase kapa hydraulic linkage, joalo-joalo.

4. Ho ea ka mokhoa o fetisitsoeng ke lipeipi, khatello ea ho sebetsa le mocheso oa ho sebetsa, lisebelisoa tsa khetla ea valve le likarolo tse ka hare li khethoa: tšepe e bohlooho, tšepe e ka tšeptjoang, tšepe ea nodular, tšepe ea carbon, alloy steel, tšepe e sa keneleng acid. , motsoako oa koporo, joalo-joalo.

5. Khetha mefuta ea li-valve: li-valve tse koetsoeng, li-valve tse laolang, li-valve tsa tšireletso, joalo-joalo.

6. Hlalosa mefuta ea li-valve: li-valve tsa heke, li-valve tsa globe, li-valve tsa bolo, li-valve tsa serurubele, li-throttle valves, li-valve tsa tšireletso, li-valve tsa khatello ea khatello, maraba a mouoane, joalo-joalo.

7. Etsa qeto ea litekanyetso tsa li-valve: Bakeng sa li-valve tse itekanetseng, ho hanyetsa ho phalla ho lumelloang, matla a ho ntša, khatello ea morao, joalo-joalo li khethoa pele ho ea ka litlhoko tse fapaneng, ebe bophara ba liphaephe le bophara ba lesoba la setulo sa valve li khethoa.

8. Etsa qeto ea litekanyo tsa geometri tsa valve e khethiloeng: bolelele ba sebopeho, foromo ea khokahanyo ea flange le boholo, tataiso ea bophahamo ba valve ka mor'a ho bula le ho koala, boholo ba lesoba la bolt le palo ea likhokahano, boholo ba sebopeho sa valve kaofela, joalo-joalo.

9.Sebelisa lintlha tse teng: Lenane la lihlahisoa tsa li-valve, lisampole tsa lihlahisoa tsa li-valve, joalo-joalo ho khetha lihlahisoa tse nepahetseng tsa li-valve.

Motheo oa khetho ea li-valve:

1. Tšebeliso, maemo a ts'ebetso le mokhoa oa ho laola valve e khethiloeng.

2. Thepa ea mochine o sebetsang: khatello ea ho sebetsa, mocheso oa ho sebetsa, ts'ebetso ea kutu, ho sa tsotellehe hore na likaroloana tse tiileng li na le chefo, ebang ke chefo, ebang e ka chesa, e phatlohang, e bohareng ba viscosity joalo-joalo.

flange2

3. Litlhoko tsa litšoaneleho tsa mokelikeli oa li-valve: ho hanyetsa ho phalla, matla a ho ntša, litšobotsi tsa phallo, sehlopha sa ho tiisa, joalo-joalo.

4. Boemo ba ho kenya le litlhoko tsa boholo ba kemiso: bophara ba lebitso, mokhoa oa ho hokahanya o nang le pipeline le tekanyo ea khokahanyo, tekanyo ea kemiso kapa boima ba 'mele, joalo-joalo.

Welding ea butt2 5. Litlhoko tse eketsehileng bakeng sa ho tšepahala ha lihlahisoa tsa li-valve, bophelo ba tšebeletso le ts'ebetso ea ho phatloha ha lisebelisoa tsa motlakase. (Tlhokomeliso e lokela ho lefshoa ha u khetha li-parameter: haeba valve e tla sebelisoa bakeng sa merero ea ho laola, litekanyetso tse eketsehileng li tlameha ho khethoa ka tsela e latelang: mokhoa oa ts'ebetso, litlhoko tse phahameng le tse fokolang tsa phallo, ho theoha ha khatello ea phallo e tloaelehileng, ho theoha ha khatello ha ho koaloa, boholo le khatello e tlase ea ho kenella ha valve.)

Ho kenya ka potlako2

Ho ea ka motheo o boletsoeng ka holimo le mehato ea ho khetha li-valve, ha u khetha li-valve ka mokhoa o utloahalang le ka nepo, ho hlokahala hore u be le kutloisiso e qaqileng ea sebopeho sa ka hare sa mefuta e sa tšoaneng ea li-valve e le ho etsa khetho e nepahetseng bakeng sa li-valve tse ratoang. Taolo ea ho qetela ea pipeline ke valve. Sesebelisoa sa ho bula li-valve se laola mokhoa oa ho phalla oa bohareng ba lipeipi. Sebopeho sa semathi sa valve se etsa hore valve e be le litšobotsi tse itseng tsa phallo. Sena se tlameha ho tsotelloa ha ho khethoa valve e loketseng ka ho fetisisa bakeng sa ho kenngoa tsamaisong ea lipeipi.