Khoele ea NPT ke khoele e tloaelehileng ea Amerika ea 60 ° taper pipe.Mokhoa oa ho bala tlhale ea khoele ke:Moetso oa bophara bo bohareng ba khoele ke: D2=d2=D-0.8XPPMokhoa oa khoele ke: D1=d1=D-1.6XPMokhoa o lekanang oa khoele ke: e arotsoe ka ho lekana ka poso kapa khoune.Bolelele ba khoele L ke kakaretso ea bolelele ba sebele ba bolelele ba bonyane bo sebetsang eseng ka tlase ho sebaka sa eona sa litšupiso + sebaka sa kopano sefahleho sa ho qetela sa khoele kapa libaka tse ling tse hapang mahlo, tse kang: 4-8NPT-LH Ho tiisoa ha khoele ena ho phethoa ka mokhoa oa ho tiisa pakeng tsa likhoele. setheo sa tlhahlobo ea litsebi se tla sebetsa.
Tlhahlobo ea khoele ea TBG
Khoele ea TBG ke khoele ea khokahano ea phala ea petroleum, e ts'oana le khoele ea liphaephe tsa oli ea LP, maemo a eona ke :API-5B, khoele ea TBG e arotsoe ka botenya (EUE EU) eseng e teteaneng (NUE NU) mefuta e 'meli, khoele Angle ke 60° Setšoantšo ke 1:16.Litlhaloso tsa khoele e sa nahanoang ke tse latelang: 1.05TBG;1.315 TBG;1.660 TBG;1.900 TBG;22/8TBG;27/8TBG;31/2TBG;41/2TBG.Khoele ea UPTBG e teteaneng (EUE)TBG, meno a 8 nako le nako, litlhaloso ke: 1.05UPTBG 1.05UPTBG;1.315 UPTBG;1.660UP TBG;1.900UPTBG;2 2/8UPTBG;27/8UPTBG;31/2UPTBG;4UPTBG.41/2UPTBG
.A: Tokisetso pele ho tlhahlobo: 1:16 light gauge, plug ring gauge.60° teether gauge.CB/T 12726-2002 (S) .2002
Tlhahlobo ea likhoele tsa Amerika:
1Pitch e hlahisoa ka palo ea meno ka 25.4mm ka inch.Mekhoa ea ho tšoaea joalo ka:7/8-9UNC.2B.Mokhahlelo oa khoele ea Amerika o arotsoe ka A le B mefuta e 'meli, Khoele e sebetsa feela ho khoele e ka ntle, e arotsoe ka 1A;2A;3A, kereiti ea khoele ea ka hare e emetsoe ke B, hape e arotsoe ka 1B;2B;3B.1A1B e na le maemo a holimo ka ho fetisisa 'me e sebelisetsoa melao ea US kapa merero e meng e khethehileng.2A2B e loketse likhoele tsa khokahano e akaretsang 'me e ka koaheloa holim'a khoele.Mokhoa oa ho hlahloba: bophara bo boholo ba khoele ea United States;Bophara bo bonyenyane;Warp e mahareng e ka fetoleloa ho boleng ba metric M.Joale ho latela mokhoa oa ho hlahloba khoele ea metric M ho leka bophara bo boholo ba khoele ea Amerika;Bophara bo bonyenyane;Bohareng ba bophara kapa ka litlhaloso tse tšoanang tsa plug ring comprehensive gauge le sekala sa ho emisa ho hlahloba;Tse ling kaofela li tla hlahlojoa ho latela mefuta e meng le mamello ea maemo le litekanyo tse boletsoeng mokhoeng oa ho taka.Mokhoa oa ho fetolela khoele ea Amerika hore e be khoele ea M metric ke ka tsela e latelang: 7/8-9UNC.2B Bophara ba eona ba lebitso ke: 22.225 mm.Sekhahla sa eona ke: 2.822mm, 'me bophara ba eona ke 22.225 (0.6495 x 2.822) = 20.391 mm. Sehlahisoa sa khoele sa Amerika se felileng: Sekhetho sa khoele ea sehlahisoa se tlameha ho etsoa holim'a sehlahisoa pele se ka bolokoa.
Khoele ea lipeipi tsa oli ea LP
tlhahloboLP khoele ea lipeipi tsa oli;E ts'oana le khoele ea phala ea lesapo la mokokotlo ea NPT e nang le khoele Angle ea 60 ° le taper ea 1:16.Phapang pakeng tsa eona le NPT vertebral canal thread ke hore bophahamo ba khoele ea LP ea tlhaloso e tšoanang e tlase ho feta ea NPT thread, LP thread urefu ke 0.073P, ha bophahamo ba khoele ea NPT ke 0.033P, ke hore, ntlha. ea LP khoele e bataletse haholo ho feta ea khoele ea NPT.'Me khoele ea LP e na le setopo, e ka sireletsa khoele hantle hore e se ke ea senyeha, LP e tiisitsoe ka mohala oa leino, kahoo ho nepahala ha ts'ebetso ho feta litlhoko tsa khoele ea NPT, le bolelele bo sebetsang ba khoele ea LP bo bolelele ho feta NPT. , e eketsang bothata ba ho sebetsa.Tlhahlobo ea khoele ea LP:LP;Tlhahlobo ea likhoele ha e le hantle e tšoana le ea likhoele tsa NPT.Hloka 1:16 light gauge, plug ring ring gauge e kentsoeng.Tekanyetso ea meno, 'musi oa bolelele ba leino, joalo-joalo Ka lebaka la litlhaloso tse fapaneng tsa likhoele tsa LP, palo ea meno e thata ea letsoho le eona e fapane.Sena se ka hlahlojoa ho tloha ho API-5B thread standard.Nakong ea tlhahlobo le tlhahlobo, kamohelo ea boholo bo loketseng e lokela ho etsoa ho latela mokhoa oa ho taka le boholo bo hlokoang ke konteraka.Lihlahisoa tse tšoanelehang li lokela ho tšoauoa ka khoele e khahlang mahlo.
Nako ea poso: Sep-07-2023