Ifanele igesi yemvelo evamile uwoyela wesitimela ingcindezi 110R-000095

Uhlobo lomucu

Kunezinhlobo eziningi zezintambo zezinzwa zokucindezela, phakathi kwazo i-NPT, PT, G kanye no-M zivamile, zonke ziyizintambo zamapayipi.

I-NPT isifinyezo se-National (American) Pipe Thread, eyingxenye yentambo yepayipi ye-taper engu-60 yezinga lenzwa ye-pressure yaseMelika futhi isetshenziswa eNyakatho Melika. Izinga likazwelonke lingatholakala ku-GB/T12716-1991.

I-PT isifinyezo sePipe Thread, okuyintambo yepayipi eliyindilinga elivalwe ngamadigri angu-55. Ingowomndeni wentambo we-Wyeth pressure sensors futhi isetshenziswa kakhulu eYurophu nasemazweni eCommonwealth. Ivamise ukusetshenziswa embonini yamapayipi amanzi negesi, futhi i-taper icaciswe njengo-1:16. Amazinga kazwelonke angatholakala ku-GB/T7306-2000.

I-G iwuchungechunge lwepayipi lokuvala elingenantambo elingu-55 degree, eliyingxenye yochungechunge lwenzwa ye-Wyeth pressure. Maka G ngentambo eyicylindrical. Amazinga kazwelonke angatholakala ku-GB/T7307-2001.

I-M intambo ye-metric, isibonelo, i-M20 * 1.5 ikhombisa ububanzi obungu-20mm kanye ne-pitch engu-1.5. Uma ikhasimende lingenazo izidingo ezikhethekile, inzwa yokucindezela ngokuvamile i-M20 * 1.5 intambo.

Ngaphezu kwalokho, amamaki angu-1/4, 1/2 kanye no-1/8 entambo abhekisela kububanzi bosayizi wentambo ngama-intshi. Abantu abasembonini ngokuvamile babiza usayizi wentambo ngamaminithi, intshi eyodwa ilingana nemizuzu engu-8, i-intshi engu-1/4 ilingana nemizuzu emi-2, njalo njalo. U-G ubonakala njengegama elivamile lentambo yepayipi (i-Guan), futhi ukuhlukaniswa kwamadigri angu-55 no-60 kuyasebenza, okuvame ukwaziwa ngokuthi indilinga yepayipi. Intambo yenziwa ngomshini ukusuka endaweni eyicylindrical.

I-ZG ijwayele ukubizwa ngokuthi yi-pipe cone, okungukuthi, intambo yenziwa ngomshini ukusuka endaweni eyi-conical, futhi ukuhlanganiswa kokucindezela kwepayipi lamanzi okujwayelekile kufana nalokhu. Izinga elidala likazwelonke limakwe ngokuthi Rc.

Izintambo zemethrikhi zivezwa ngephimbo, kuyilapho imicu yaseMelika neyaseBrithani ivezwa ngenani lemicu iyintshi ngayinye, okuwumehluko omkhulu kakhulu wezintambo zenzwa yokucindezela. Imicu yemethrikhi imicu elinganayo engama-degree angu-60, imicu ye-British iyintambo ye-isosceles ye-55-degree, kanti imicu yaseMelika ingama-degree angu-60. Imicu yemethrikhi isebenzisa amayunithi e-metric, kanti imicu yaseMelika neyaseBrithani isebenzisa amayunithi esiNgisi.

Intambo yepayipi isetshenziselwa ikakhulukazi ukuxhuma amapayipi okucindezela, futhi izintambo zayo zangaphakathi nezangaphandle zihambisana eduze. Kunezinhlobo ezimbili zemicu yepayipi lenzwa yokucindezela: ipayipi eliqondile kanye nepayipi elicijile. Ububanzi obujwayelekile bubhekisela kububanzi bepayipi lokucindezela elixhunyiwe. Ngokusobala, ububanzi obukhulu bentambo bukhulu kunobubanzi obujwayelekile. U-1/4, 1/2 kanye no-1/8 amadayamitha okuziswana emicu yesiNgisi, ngama-intshi.