Puas yog cov khoom siv hlau tsis zoo ferrous?
Puas yog cov khoom siv hlau tsis zoo ferrous?

Video: Puas yog cov khoom siv hlau tsis zoo ferrous?

Video: Puas yog cov khoom siv hlau tsis zoo ferrous?
Video: Koj tsis hlub los tsis k k - Npawg lem & Tubzeb vwj nkauj tshiab 2024, Kaum ib hlis
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Rigid hlau conduit - RMC ( hlau hlau ). RMC yog cov npe threaded hlau raceway ntawm ncig hla ntu nrog kev sib txuas, uas tuaj yeem yog tus qauv ncaj tapping kav dej coupling los yog hom integral (Duab 1). RMC yog qhov hnyav tshaj plaws-hnyav thiab tuab-phab ntsa steel kav.

Tsis tas li ntawd, dab tsi yog qhov nyuaj hlau conduit?

Rigid hlau conduit (RMC) yog tuab-walled threaded tubing, feem ntau yog ua los ntawm coated hlau , stainless hlau los yog aluminium. Galvanized rigid conduit (GRC) yog galvanized hlau tubing, nrog ib tug tubing phab ntsa uas tuab txaus kom nws yuav threaded.

Tom qab ntawd, lo lus nug yog, puas steel conduit Schedule 40? Nyuaj siv Teem caij 40 thiab ib yam li lwm cov kav dej. Rigid metallic conduit tsis muaj " teem caij "sizing.

Tsuas yog li ntawd, yuav rigid conduit xeb?

Nyuaj hluav taws xob cev is kuj muaj nyob rau hauv aluminium. Nws muaj tib qhov ntev li Sch. 40 aluminium yeeb nkab, thiab yuav yuav threaded ntawm ob kawg. Yuav yuav kim nyob qhov twg koj yuav nws, tab sis nws yuav tsis xeb.

Koj puas tuaj yeem cog rau cov kav dej hlau?

Cov raj (RMC, IMC lossis EMT) yog NEC txais hauv av txoj kev. Yog li, yog cov kab mob hauv steel kav , tsis muaj lwm tus hauv av xaim yuav tsum tau. Yog uas muab koj kev txhawj xeeb, koj tuaj yeem pom qhov txuas no qhia txog kev tshawb fawb txog kev ua haujlwm ntawm kav dej raws li a hauv av relieves lawv.

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