PVC yeeb nkab sizingyog ib qho ntawm cov khoom uas zoo li ridiculously yooj yim mus txog rau thaum koj sim mus yuav cov khoom. Tom qab ntawd mam li nco dheev koj tab tom sawv hauv lub khw muag khoom kho vajtse, saib cov yeeb nkab uas tsis yog qhov loj me uas nws hais tias yog, xav tsis thoob yog tias koj tau poob koj lub siab lossis yog lub ntiaj teb tab tom ua si qee qhov kev lom zem rau koj.
Tsis yog koj. Qhov loj me yog qhov txawv tiag tiag, thiab muaj qhov laj thawj zoo rau nws.
Yam Tsis Muaj Leej Twg Qhia Koj Txog Cov Yeeb Nkab Loj
Nov yog qhov kev mus ncig ua si txhua tus neeg thawj zaug: thaum ib tus neeg hais tias "1-nti PVC yeeb nkab," lawv tsis tham txog qhov ntsuas koj tuaj yeem pom ntawm koj lub qhov muag. Tsis yog sab nraud. Tsis txawm tias sab hauv, yog tias peb tab tom ua technical txog nws. Lawv tab tom tham txog qhov hu ua "nominal" loj, uas yog ib qho kev coj ncaj ncees ntawm kev hais tias "tseem kwv yees li qhov cuam tshuam rau sab hauv kab, keeb kwm hais lus."
kuv paub. Pab tau, txoj cai?
Qhov tseeb hauv cov yeeb nkab 1-inch? Nws feem ntau yog nyob ib ncig ntawm 1.049 ntiv tes. Sab nraud txoj kab uas hla? Qhov ntawd yuav yog 1.315 nti. Vim qhov tseeb nws yog. Tag nrho cov txheej txheem no rov qab mus rau cov kav hlau qub hnub, thiab peb txhua tus tsuas yog nyob nrog nws tam sim no.
Sab hauv vs. Sab Nraud – Thiab Vim Li Cas Nws Tseem Ceeb
Yog li ntawm no yog qhov tseem ceeb, thiab ncaj ncees qhov no yog qhov feem ntau DIY tej yaam num mus tsis ncaj ncees lawm:koj ntsuas PVC yeeb nkab los ntawm nws txoj kab uas hla(uas cov neeg hu ua ID lossis "dhau"). Tsis yog sab nraud txoj kab uas hla (OD). Tsis txawm yog sab nraud yog txoj kev yooj yim los ntsuas, uas nws twv yuav raug hu yog.
Vim li cas? Vim hais tias yog li cas cov fittings tsim. Thaum koj yuav PVC lub luj tshib lossis tee lossis txawm li cas los xij, nws txhais tau tias kom haum rau sab nraud ntawm cov yeeb nkab. Cov tuam txhab tsim khoom tsim txhua yam nyob ib puag ncig qhov kev xav tias koj yuav tsum sib phim raws li qhov nominal hauv qhov loj.
Tab sis - thiab qhov no yog qhov kev ntxhov siab - yog tias koj ntsuas qhov sab nraud ntawm koj cov yeeb nkab nrog ib daim kab xev ntsuas thiab txiav txim raws li tus lej ntawd, koj yuav tau txais cov yeeb nkab uas yog ib qho loj heev. Txhua lub sijhawm. Kuv tau pom tib neeg ua li no, ntxhov siab, ntsuas kom zoo dua, ua dua, thiab tau txais qhov tsis ncaj ncees lawm. Lub kaw lus nyuam qhuav ua li ntawd.
Txoj Kev Zoo vs. Txoj Kev Zoo
Txoj kev raug: ntsuas cov kab hauv qab, lossis zoo dua, tsuas yog nyeem cov cim sau rau ntawm cov yeeb nkab nws tus kheej (peb mam li mus rau qhov ntawd).
Txoj kev ntxias-tab sis- txoj kev tsis ncaj ncees: ntsuas sab nraud vim nws zaum nyob ntawd thiab koj daim kab xev ntsuas haum nyob ib puag ncig nws zoo kawg nkaus.
Qhov tseeb yog ib daim ntawv qhia me me uas koj tuaj yeem tau txais uas tso cai rau koj tso koj cov yeeb nkab rau ntawm ib daim ntawv kom paub seb nws loj npaum li cas, uas ua siab ncaj zoo li siv lub log kev cob qhia, tab sis nws ua haujlwm zoo heev thaum koj tab tom cuam tshuam nrog cov yeeb nkab tsis muaj cim.
Teem caij 40, Teem caij 80, thiab Lwm Yam Kev Lom Zem
Tam sim no peb nkag mus rau hauv Schedule tus lej, uas yog lwm txheej ntawm kev nyuaj uas zoo li tsim los ua kom neeg tsis meej pem. Teem sijhawm hais txog phab ntsa tuab. Teem sijhawm 40 yog tus qauv - koj pom nws txhua qhov chaw, cov khw muag khoom kho vajtse khaws nws ntau, nws yog lub neej ntawd rau feem ntau cov haujlwm hauv tsev.
Teem caij 80 muaj phab ntsa tuab. Tib txoj kab uas hla sab nraud, tab sis cov phab ntsa tuab, uas txhais tau tias - tos nws - ame mehauv txoj kab uas hla.
Qhov no tseem ceeb tshaj qhov koj xav. Yog tias koj tab tom yuav fittings ntawd swbrau hauvcov yeeb nkab (sab hauv-cov khoom haum, lawv hu ua), koj xav tau Teem sijhawm 40. Teem caij 80's sab hauv txoj kab uas hla me dhau, thiab koj cov khoom zoo nkauj yuav tsis haum. Nws tsuas yog zaum ntawd thuam koj.
Rau cov haujlwm uas koj tsuas yog txuas cov yeeb nkab rau cov yeeb nkab nrog cov khoom siv tsis tu ncua? Ob lub sijhawm ua haujlwm zoo, txawm tias Teem sijhawm 40 pheej yig dua thiab nrhiav tau yooj yim dua.
Qhov Tiag Tiag Cov Neeg Siv
Cia peb khiav los ntawm qhov ntau thiab tsawg, txawm hais tias ncaj ncees qee qhov ntawm cov no yog ntau dua li lwm tus:
½ nti- Nrov nrov rau cov haujlwm me me, rooj tog tsim, khoom siv tes ua. Sab nraud txoj kab uas hla yog 0.840 nti, sab hauv yog nyob ib ncig ntawm 0.622 nti ntawm Teem caij 40.
¾ nti- Lwm tsev neeg nyiam. Sab nraud: 1.050 nti. Sab hauv: kwv yees li 0.824 nti.
1 nti- Qhov no yog tej zaum qhov ntau yam loj tshaj plaws rau DIY khoom. Sab nraud txoj kab uas hla ntawm 1.315 ntiv tes, sab hauv ib ncig ntawm 1.049 ntiv tes. Koj tuaj yeem tsim cov rooj tog zaum, lub moj khaum, vaj tsev, txhua yam khoom.
1¼ nti- Tsis tshua muaj nyob rau hauv cov khoom siv tes ua, ntau dua hauv cov kav dej. Sab nraud: 1.660 nti.
1½ nti- Tam sim no peb tab tom nkag mus rau hauv thaj chaw muaj dej loj. Sab nraud txoj kab uas hla: 1.900 nti. Qhov no yog qhov koj pom hauv qab dab dej ntau heev.
2 nti- Cov kab ntws tawm, ua kom loj dua. Sab nraud: 2.375 nti. Pib xav tias tseem ceeb thaum koj ua haujlwm nrog nws.
Muaj qhov loj dua - 2½, 3, 4, 6 ntiv tes thiab siab dua - tab sis cov no muaj ntau dua rau cov kav dej, dej dej, ua haujlwm loj. Koj tsis tsim lub tsho tiv no tawm ntawm 6-nti yeeb nkab, muab tso rau ntawd.
Nyeem Cov Cim (thaum lawv nyob ntawd)
Feem ntau cov yeeb nkab PVC muaj cov ntaub ntawv luam tawm ntawm nws, feem ntau nyob rau hauv cov qauv rov ua raws li qhov ntev. Koj yuav pom lub npe chaw tsim khoom, qhov loj me, lub sijhawm, qhov ntsuas nws li cas (NSF-PW rau cov dej haus, DWV rau cov dej ntws tawm- khib nyiab- qhov cua, thiab lwm yam), thiab feem ntau yog tus qauv nws ua tau raws li ASTM D-1785 lossis ASTM D-2665.
Qhov loj me feem ntau teev meej meej - "1 IN" lossis "1½" lossis xijpeem. Cia li nrhiav nws. Qhov no yog txoj kev yooj yim dua li kev ntsuas, txawm hais tias qee zaum cov ntawv luam tawm los yog koj tab tom ua haujlwm nrog ib daim ntawv txiav uas cov cim tau raug tshem tawm.
Rau cov rooj tog lossis khoom siv tes ua, koj yuav pom "Furniture Qib PVC" uas yog tib lub yeeb nkab tab sis muag hauv cov xim zoo nkauj thiab feem ntau txiav rau qhov ntev. Qhov sizing ua haujlwm tib yam.
Tej yam uas zoo li PVC tab sis tsis yog
Qhov no yog qhov uas ua rau muaj kev ntxhov siab, vim tias muaj ntau hom yeeb nkab uas zoo sib xws txaus los dag koj tab sis kiag li yuav tsis ua haujlwm nrog cov qauv PVC fittings.
CPVCyog tus loj. Nws feem ntau yog xim qab zib lossis xim beige tsis yog xim dawb, thiab nws yog siv rau cov kab dej kub. Ua tiav qhov sib txawv sizing system hu ua Copper Tube Size (CTS). Tsis txhob sim sib tov cov no nrog PVC fittings li niaj zaus. Cia li tsis txhob. Nws zoo li nws yuav ua haujlwm - nws nyob ze txaus kom ntxhov siab - tab sis nws tsis yog.
ABS cevyog dub thiab feem ntau siv rau cov kav dej. Ntawm no yog qhov txawv tshaj plaws: nws yog qhov ua tau zoo sib xws nrog PVC fittings. Tib qhov loj me, tib qhov ntsuas. Tab sis koj tuaj yeem siv tsis tu ncua PVC cement rau nws. Koj xav tau ib qho kev hloov pauv tshwj xeeb cement, lossis koj yuav tsum tau ntswj cov kev sib txuas ua ke. Tsis tas li ABS yog txoj kev nkig ntau dua li PVC - nws yuav tawg yog tias koj saib nws tsis ncaj ncees lawm, yog li tsis txhob siv nws rau rooj tog lossis txhua yam qauv.
Polypropylene (poly yeeb nkab) yog cov khoom siv dub uas hloov tau yooj yim siv rau cov dej ntws. Sib phim qhov ntev technically, tab sis nws yog tsim los rau compression fittings, tsis plam fittings, thiab PVC cement yuav tsis khi rau nws.
Acrylic raj zoo li zoo ib yam, tshwj xeeb tshaj yog cov ntshiab, tab sis lawv ntsuas los ntawm sab nraud txoj kab uas hla. Yuav tsis haum.
Ntoo dowels - yog, tib neeg sim qhov no. Kuj ntsuas los ntawm sab nraud txoj kab uas hla. Kuj tsis haum.
Hlau conduit qee zaum muaj qhov sib xws sab nraud, tab sis tsis muaj txoj hauv kev zoo los txuas rau PVC fittings lawm, yog li nws tsis muaj teeb meem.
Kev Sib Piv Trick
Yog tias koj nyam tiag tiag thiab tsis tuaj yeem paub tias koj muaj qhov loj npaum li cas, nws muaj txoj hauv kev sib piv siv cov khoom siv hauv tsev. Nws tsis yog qhov tseeb, tab sis nws yuav pab tau rau ballparking:
½ nti yeeb nkab: txog txoj kab uas hla ntawm AAA roj teeb
¾ nti: ze rau AA roj teeb
1 nti: kwv yees li C roj teeb
1½ nti: zoo ib yam li lub pob ntaus pob tesniv (tsim)
Qhov no tsis yog qhov tseeb, tab sis nws yuav ua rau koj nyob rau hauv txoj cai ballpark yog tias koj nyob hauv lub khw sim nco ntsoov tias cov yeeb nkab loj npaum li cas koj tawm hauv tsev.
Dab tsi tiag ua haujlwm ua ke
Standard Schedule 40 PVC yeeb nkab ua hauj lwm nrog zoo nkauj npaum li cas tag nrho cov txheej txheem PVC fittings koj yuav pom ntawm cov khw muag khoom kho vajtse. Nov yog txoj xov zoo. Sib tov thiab phim cov hom sib txawv, cov hnub nyoog sib txawv ntawm cov yeeb nkab, txawm li cas los xij - yog tias nws yog tag nrho Teem sijhawm 40 PVC (tsis yog CPVC, tsis yog ABS, tsuas yog PVC), nws yuav tsum haum.
Teem sijhawm 80 ua haujlwm nrog cov khoom siv tsis tu ncua tab sis TSIS nrog rau sab hauv - haum cov khoom siv - yam xws li lub kaus mom uas xaub rau hauv cov yeeb nkab qhib, lossis qee yam tshwj xeeb txuas.
Rau cementing PVC, koj xav tau tiag tiag PVC cement (qee zaum hu ua hnyav cement). Cov xim av primer yog xaiv tau rau qee daim ntawv thov tab sis feem ntau yog ib lub tswv yim zoo vim nws ntxuav thiab npaj qhov chaw. Tsis txhob siv cov cement tsis yog - muaj CPVC cement, ABS cement, txhua yam - lub hom phiaj cement uas lees tias ua haujlwm rau txhua yam (feem ntau tsis ua haujlwm zoo rau txhua yam), thiab PVC cement tiag. Tau qhov yog.
Thaum Sizes Weird
Qee lub sij hawm koj yuav pom cov yeeb nkab uas tsuas yog tsis zoo ib yam dab tsi. Yuav yog:
Cov yeeb nkab qub tiag tiag los ntawm thaum cov qauv sib txawv
Ntshuam yeeb nkab uas tsis ua raws li US qhov loj me
Cov yeeb nkab tshwj xeeb rau daim ntawv thov kev lag luam tshwj xeeb
Cov yeeb nkab uas raug puas los yog deformed
Cov yeeb nkab uas ib tug neeg hloov kho, sanded, los yog lwm yam messed nrog
Nyob rau hauv cov ntaub ntawv no, ncaj ncees? Tsuas yog ntsuas kom zoo thiab siv daim ntawv qhia qhov ntev. Sib piv cov ntsuas qhov tseeb rau daim ntawv qhia specs. Nws tedious tab sis nws ua haujlwm.
Txoj Kev Ntseeg
Rau cov neeg feem coob ua haujlwm hauv tsev, koj tab tom saib ½ nti, ¾ nti, lossis 1 nti yeeb nkab. Cov peb qhov loj me no npog tej zaum 80% ntawm daim ntawv thov DIY. Tej zaum 1½ nti yog tias koj ua haujlwm kav dej.
Qhov loj dua muaj nyob, paub meej. Koj tuaj yeem tau txais 2, 3, 4, 6, 8, 10, txawm tias 12-nti PVC yeeb nkab. Tab sis tshwj tsis yog tias koj tab tom txhim kho lub kav dej los yog tsim ib yam khoom lag luam, tej zaum koj yuav tsis messing nrog cov. Lawv kim, hnyav, thiab ncaj ncees overkill rau feem ntau cov haujlwm.
Lo nrog qhov ntau thiab tsawg. Lawv feem ntau yog vim li cas - lawv muaj txiaj ntsig, pheej yig, thiab tag nrho cov khoom siv tau yooj yim muaj.
Vim Li Cas Qhov System Muaj
Lub nominal sizing system los ntawm cov txheej txheem ntawm cov kav hlau qub. Rov qab rau hnub no, cov yeeb nkab loj me me muaj feem cuam tshuam rau sab hauv txoj kab uas hla, tab sis cov txheej txheem tsim khoom thiab phab ntsa tuab tau hloov pauv ntau xyoo lawm. Qhov nominal qhov ntau thiab tsawg tau daig ib ncig vim tias hloov lawv yuav txhais tau tias hloov txhua qhov haum, txhua qhov tshwj xeeb, txhua qhov siv hauv tsev.
Yog li peb tau daig nrog cov yeeb nkab uas sau tias "1 nti" tab sis tsis yog 1 nti nyob qhov twg koj tuaj yeem ntsuas. Tsuas yog ua li cas xwb. Thaum koj paub tias qhov no mus rau hauv, nws tsis yooj yim dua. Tseem annoying qee zaum, tab sis tsis meej pem tsawg.
Kev xav zaum kawg (Xaiv)
Cov khoom tseem ceeb yog tias koj tab tom ua qhov no: ntsuas los ntawm txoj kab uas hla lossis nyeem cov cim, Teem sijhawm 40 yog tus qauv, tsis txhob sib xyaw PVC nrog CPVC, thiab qhov loj ntawm daim ntawv tsis yog qhov ntsuas tiag tiag koj tuaj yeem txheeb xyuas nrog tus pas ntsuas.
Txhua yam yog cov ntsiab lus, thiab ncaj ncees, koj yuav paub cov ntsiab lus thaum koj khiav mus rau lawv. Qhov ntawd yog li cas txhua tus paub cov khoom no - los ntawm kev ua yuam kev ib zaug lossis ob zaug, sawv hauv lub khw muag khoom kho vajtse saib tsis meej pem, thiab thaum kawg tsim kev paub ua haujlwm los ntawm kev sim thiab ua yuam kev.
Cia li nco ntsoov: sab hauv txoj kab uas hla, tsis yog sab nraud. Ib yam uas yuav cawm koj ntau yam hassle.