Hauv cov dej hauv nroog thiab cov kav dej xa dej, cov kav dej hlau tau dhau los ua cov khoom xaiv vim lawv lub zog zoo thiab kev tiv thaiv corrosion. Qhov tsim tshwj xeeb ntawm T-joint muab cov raj xa dej nrog qib ntawm "kev yoog raws"- nws tuaj yeem ntsia nrog khoov hauv lub kaum sab xis. Cov yam ntxwv no ua rau muaj kev hloov pauv ntawm cov raj xa dej thiab kev tsim kho kom zoo. Hnub no, peb yuav delve rau hauv cov txheej txheem khoov khoov rau T-cov kav hlau txuas txuas.
T- hom pob qij txha
T- hom pob qij txha, tseem hu ua plam- haum cov pob qij txha hloov tau yooj yim, yog tus cwj pwm los ntawm lawv lub peev xwm los nruab nrawm nrog cov cuab yeej yooj yim nkaus xwb. Lub ntsiab kom zoo dua ntawm qhov kev sib koom tes no yog nyob rau hauv nws tshwj xeeb sealing nplhaib tsim thiab lub qhov (socket) qauv, uas tso cai rau angular deflection ntawm cov yeeb nkab kev twb kev txuas yam tsis muaj kev cuam tshuam kev sealing kev ua tau zoo. Deflection nyob rau hauv txhua tus yeeb nkab ntu ua rau deflection ntawm tag nrho cov kav dej.
Qhov kev sib txawv ntawm qhov tso cai tau tso cai los ntawm kev tshawb fawb
Cov kav dej hlau nrog T- hom pob qij txha tsis tuaj yeem khoov tau. Thaum cov yeeb nkab deflection xav tau, nws tuaj yeem ua tiav los ntawm deflecting cov yeeb nkab ntawm qhov sib koom ua ke nyob rau hauv qhov tso cai angular deflection ntau yam.
| Nominal txoj kab uas hla (mm) | Permissible deflection lub kaum sab xis |
| DN80-DN200 | 5 degree |
| DN250-DN350 | 4 degree |
| DN400 | 3℃30′ |
| DN450-DN600 | 3 degree |
| DN700-DN900 | 2℃30′ |
| DN1000-DN2000 | 2 degree |
Nyob rau hauv qhov tseeb engineering tej yaam num, lub deflection lub kaum sab xis thaum lub sij hawm tsim kho feem ntau tsis tshaj 75% ntawm tus tsim tso cai tus nqi los xyuas kom meej ib tug kev nyab xeeb margin. Los ntawm cov nyhuv ntawm deflection ntawm ntau cov pob qij txha, cov kav dej tuaj yeem ua tiav cov kev hloov pauv loj hauv cov kev taw qhia, ua tau raws li qhov yuav tsum tau ua rau cov yeeb nkab nkhaus routing hauv engineering tej yaam num.
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