Qhov loj me
pvc yeeb nkab loj chard id od sab hauv txoj kab uas hla sab nraud Raws li tau hais hauv cov ntawv blog dhau los ntawm PVC yeeb nkab sab nraud txoj kab uas hla, PVC yeeb nkab thiab cov khoom siv yog qhov loj me siv lub npe nominal. Txoj kev no, txhua qhov nrog tib qhov loj me hauv lub npe yuav sib xws nrog ib leeg. Piv txwv li, txhua qhov 1 ″ fittings yuav haum rau 1 ″ yeeb nkab. Qhov no zoo li yooj yim txaus, puas yog? Zoo, ntawm no yog qhov tsis meej pem: Lub sab nraud txoj kab uas hla (OD) ntawm PVC yeeb nkab loj dua qhov loj me hauv nws lub npe. Qhov no txhais tau tias 1 nti PVC yeeb nkab muaj sab nraud txoj kab uas hla loj dua 1 nti, thiab 1 nti PVC fittings muaj sab nraud txoj kab uas hla loj dua yeeb nkab.

Qhov tseem ceeb tshaj plaws thaum ua haujlwm nrog cov kav dej PVC thiab cov khoom siv yog qhov loj me. 1″ cov khoom siv yuav raug ntsia rau ntawm 1″ yeeb nkab, txawm tias yog Schedule 40 lossis 80. Yog li, txawm tias 1″ qhov (socket) fitting muaj qhov qhib dav dua 1″, nws yuav haum rau ntawm 1″ yeeb nkab vim tias sab nraud ntawm cov yeeb nkab ntawd kuj loj dua 1″.

Qee zaum koj yuav xav siv cov khoom siv PVC nrog cov kav dej uas tsis yog PVC. Hauv qhov no, qhov loj me tsis tseem ceeb npaum li qhov txoj kab uas hla sab nraud ntawm cov kav dej uas koj siv. Lawv sib xws tsuav yog qhov txoj kab uas hla sab nraud ntawm cov kav dej zoo ib yam li qhov txoj kab uas hla sab hauv (ID) ntawm qhov sib xws uas nws nkag mus rau hauv. Txawm li cas los xij, 1″ cov khoom siv thiab 1″ cov kav dej carbon steel yuav tsis sib xws vim tias lawv muaj tib qhov loj me. Ib txwm ua koj txoj kev tshawb fawb ua ntej siv nyiaj rau cov khoom uas yuav tsis sib xws!

Nyem qhov no kom paub ntau ntxiv txog lub cheeb sab nraud ntawm PVC.

Cov Hom Kawg PVC thiab Cov Nplaum
Yog tsis muaj cov nplaum, cov yeeb nkab PVC thiab cov khoom siv yuav raug khi ua ke nruj heev. Txawm li cas los xij, lawv yuav tsis tiv dej. Yog tias koj yuav muab cov kua dej hla koj cov yeeb nkab, koj yuav tsum xyuas kom meej tias tsis muaj qhov xau. Muaj ob peb txoj hauv kev sib txawv los ua qhov no, thiab txoj kev koj xaiv yuav nyob ntawm seb koj tab tom txuas rau dab tsi.

Cov kav dej PVCFeem ntau lawv tus kheej tsis muaj cov xov kawg. Qhov no tsuas yog ib qho ntawm cov laj thawj vim li cas feem ntau PVC fittings muaj cov kawg swb. "Slide" hauv PVC tsis tau txhais hais tias qhov kev sib txuas yuav nplua, nws txhais tau hais tias qhov fitting yuav swb ncaj qha los ntawm cov yeeb nkab. Thaum ib lub yeeb nkab raug muab tso rau hauv qhov sib koom ua ke, qhov kev sib txuas yuav zoo li nruj, tab sis kom xa cov kua nruab nrab, nws yuav tsum tau kaw. PVC cement kaw cov yeeb nkab los ntawm kev sib txuas tshuaj lom neeg ib feem ntawm cov yeeb nkab mus rau lwm qhov ntawm cov yas. Yuav kom cov fittings swb kaw, koj yuav xav tau PVC primer thiab PVC cement. Primer ua rau sab hauv ntawm qhov fitting mos mos los npaj rau kev nplaum, thaum cement ua rau ob daim nruj ua ke.

Cov khoom siv uas muaj xov yuav tsum tau kaw sib txawv. Qhov laj thawj tseem ceeb uas tib neeg siv cov khoom siv uas muaj xov yog vim tias lawv tuaj yeem raug rhuav tshem yog tias tsim nyog. PVC cement nplaum cov kav dej ua ke, yog li ntawd yog tias nws siv rau hauv qhov sib koom ua ke, nws yuav tsim ib lub foob, tab sis cov xov yuav tsis muaj txiaj ntsig. Ib txoj hauv kev zoo los kaw cov pob qij ua ke thiab ua kom lawv ua haujlwm yog siv daim kab xev PTFE xov sealing. Tsuas yog qhwv nws ncig cov xov txiv neej ob peb zaug thiab nws yuav ua kom qhov kev sib txuas kaw thiab lubricated. Cov khoom siv tseem tuaj yeem unscrewed yog tias koj xav rov qab mus rau qhov sib koom ua ke rau kev saib xyuas.

Xav paub txog txhua hom PVC kawg thiab kev sib txuas? Nyem qhov no kom paub ntxiv txog cov hom PVC kawg.

Cov khoom siv rooj tog thiab cov khoom siv ib txwm muaj
Peb cov neeg siv khoom feem ntau nug peb tias, "Qhov txawv ntawm cov khoom siv rooj tog thiab cov khoom siv ib txwm yog dab tsi?" Cov lus teb yooj yim: peb cov khoom siv rooj tog tsis muaj cov ntawv luam tawm lossis cov lej cim ntawm cov chaw tsim khoom. Lawv yog dawb huv lossis dub tsis muaj dab tsi luam tawm rau ntawm lawv. Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov uas pom cov kav dej, txawm tias nws siv rau rooj tog lossis tsis yog. Qhov loj me yog tib yam li cov khoom siv ib txwm. Piv txwv li, ob qho tib si 1″ cov khoom siv rooj tog thiab 1″ cov khoom siv ib txwm tuaj yeem ntsia tau rau ntawm 1″ yeeb nkab. Ntxiv mus, lawv tsuas yog ruaj khov ib yam li peb lwm cov khoom siv PVC.

Nyem qhov no kom paub ntau ntxiv txog peb cov khoom siv plumbing thiab fittings rau rooj tog.

Cov Khoom Siv Yeeb Nkab PVC- Kev piav qhia thiab daim ntawv thov
Hauv qab no yog cov npe ntawm qee cov khoom siv PVC uas siv ntau tshaj plaws. Txhua daim ntawv muaj cov lus piav qhia txog cov khoom siv thiab nws cov kev siv thiab kev siv tau. Yog xav paub ntxiv txog cov khoom siv no, mus saib lawv cov nplooj ntawv khoom. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias txhua yam khoom siv muaj ntau yam kev hloov pauv thiab kev siv, yog li nco ntsoov qhov ntawd thaum mus yuav khoom siv.

Tee
A PVC teeyog ib qho kev sib txuas peb qhov kawg; ob qho nyob rau hauv ib txoj kab ncaj thiab ib qho nyob rau sab, ntawm lub kaum sab xis 90-degree. Tee tso cai rau ib txoj kab kom raug faib ua ob txoj kab sib cais nrog kev sib txuas 90 degree. Tsis tas li ntawd, lub tee tuaj yeem txuas ob txoj hlua rau hauv ib txoj hlua tseem ceeb. Lawv kuj tseem siv ntau zaus hauv PVC cov qauv. Tee yog ib qho khoom siv ntau yam thiab yog ib qho ntawm cov khoom siv dav tshaj plaws hauv cov kav dej. Feem ntau cov tees muaj qhov kawg swb, tab sis cov qauv xov kuj muaj.