Joalo ka ha lebitso le bontša, khoele ea phaephe e bolela khoele e sebelisoang phala. Mona, phala e bua ka pipe ea lebitso. Kaha mofuta ona oa pipe o bitsoa pipe ea lebitso, khoele ea pipe ha e le hantle ke khoele ea lebitso. Likhoele tsa liphaephe, e le mokhoa oa ho hokahanya liphaephe, li sebelisoa haholo bakeng sa ho hokahanya le ho tiisa liphaephe tse nyenyane le tse mahareng tse tsamaisang metsi le likhase. Ho na le mefuta e meraro e tloaelehileng ea likhoele tsa liphaephe. Ke: khoele ea NPT, khoele ea BSPT, le khoele ea BSPP.
Phapang e kholo lipakeng tsa mefuta e meraro ea likhoele:
| Khoele ea Pipe | Lenaka | Taper/Parellel | Holimo & Tlase | Foromo ea ho Tiisa | Standard |
| NPT | 60° | Tapered | Bokaholimo bo bataletseng, botlase bo bataletseng | Tlatsi | ASME B1.20.1 |
| BSPT | 55° | Tapered | Ho pota-pota ka holimo, ho pota-pota t tlase | Tlatsi | ISO7-1 |
| BSPP | 55° | Parellel | Ho pota-pota ka holimo, ho pota-pota t tlase | Gasket | ISO228-1 |
Melao-motheo ea ho tiisa le mekhoa ea ho tiisa ea mefuta e meraro ea likhoele tsa liphaephe
Ebang ke khoele e tiisitsoeng ea 55 ° (BSPT) kapa khoele ea phala e tiisitsoeng ea 60 ° (NPT), para e koalang khoele e tlameha ho tlatsoa ka sehare nakong ea screwing. Ka kakaretso, PTFE ho tiisa theipi e sebelisoa ho thatela khoele e ka ntle, 'me palo ea wraps fapana ho tloha 4 ho 10 ho itšetlehile ka botenya ba PTFE tiiso ea theipi. Ha lekhalo le pakeng tsa holimo le tlase ho leino le tsamaisana, le tiisa ka ho tiisa khoele ea phala. Likhoele tse ka hare le tsa ka ntle li hatelloa khahlanong le tse ling, pele li tlosa lekhalo pakeng tsa mahlakore a hatelitsoeng. Joale, ha matla a tiisang a ntse a eketseha, karolo ea leino butle-butle e ba bohale haholoanyane, karolo ea leino butle-butle e fetoha lerootho, 'me lekhalo pakeng tsa leino le holimo le leino lea nyamela butle-butle, ho finyella morero oa ho thibela ho tsoa. Ha ho e-na le phetoho kapa ho kena-kenana le ho lekana pakeng tsa ka holimo le ka tlaase ho leino, ba qala ho hatellana, ho etsa hore karolo e ka holimo ea leino e be lerootho butle-butle le tlase ea leino butle-butle e be bohale le ho feta, ebe joale leino la leino le ama leino 'me butle-butle le felisa lekhalo. Kahoo ho finyella mosebetsi oa ho tiisa oa khoele ea pipe.
Tšitiso ea 55 ° e sa tiisitsoeng ea pipe thread (BSPP) ka boeona ha e na mosebetsi oa ho tiisa, 'me khoele e sebetsa feela ho kopanya. Ka hona, ho hlokahala gasket ea ho tiisa bakeng sa ho koala sefahleho sa ho qetela. Ho na le mefuta e 'meli ea ho koala sefahleho sa ho qetela: e' ngoe ke ho sebelisa gasket e bataletseng ka lehlakoreng la ho qetela la khoele e tona, 'me e' ngoe ke ho sebelisa gasket e kopantsoeng (gasket ea elastic e entsoeng ka lehlakoreng le ka hare la lesale la tšepe) qetellong ea sefahleho sa khoele e tšehali.
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Nako ea poso: Jul-22-2025