{{0 {{}} ** Yuav ua li cas qhia NPS VS NPT? **
** NPS (nominal cov yeeb nkab loj): ** Yog hais txog cov yeeb nkab ntawm lub taub (e} Kuv yog qhov tseeb} tiag} tiag} qhov ntev yog cov qauv (e {. g {}}}}}}, sij hawm}, 80).
** NPT (Lub teb chaws yeeb nkab tapered): ** Yog hais txog cov qauv xov * siv rau kev koom tes nrog lub hauv paus, nqaim ntawm qhov kawg) los tsim lub foob thaum tsoo.
*** TSEEM CEEB TSHEEJ: *** ** NPS ** Qhov loj me **, thaum twg ** Xov Xwm uas tau txuas rau cov kav dej / fittings .
{{0 {}}}} ** Dab tsi yog NP2 thiab mpper? **
** NPT3 thiab NPRETE LOADE TRANSOLESTENTS ({{} (e {{{{10} g {.}}}, STKR 400) .
* **
* ** Cov NPP: ** Feem ntau sib raug zoo rau lub zog siab dua (zoo ib yam li AHTM A53 qib B lossis STKR 400) {4}
{{03.}} ** Dab tsi yog lub ntsiab lus ntawm NP 3? **
** NCP3 yog ib qho kev kawm qib tshwj xeeb hauv cov kav dej qub " 1970 .
{{04.}}} ** Dab tsi yog NP sawv rau hauv Mp3 Yeeb? **
Nyob rau hauv cov ntsiab lus teb ntawm objilete ** JIS G 3442 ** tus qauv siab, "feem ntau} Nws txawv cov qib siab los yog tshwj xeeb qib siab lossis qib tshwj xeeb.
{{0 {{}}} Koj yog dab tsi yog qhov tuab ntawm NP3 cov yeeb nkab? **
** Thickness (phab ntsa tuab) ** ntawm Np3 Fickness raug txiav txim siab los ntawm cov qauv JIS "}, 20 xyoo 80) {{10}
* ** AGE: ** Lub npe map3 uas muaj npe qub nrog Nominal loj 20A (kwv yees}
* ** TSEEM CEEB: ** NOPPTOLETE {{1} Lub thawv jis tam sim no nyob ntawm nws lub sijhawm tam sim no yog nyob ntawm nws lub sijhawm. B36 {. 10 {{{.}}}} Koj tsis tuaj yeem hais ib qho tuab rau "Np3 Yeeb Nkab". **
