Yeeb Nkab Kev Xaiv & Kev Txhim Kho rau Lub Tsev Cov kav dej (Kev Siv Dej & Dej)

Kev tsim cov kav dej hauv lub tsev muaj ntau dua li cov kav dej los ntawm taw tes A mus rau taw tes B. Cov kev xaiv uas koj xaiv - cov khoom siv, qhov loj me, kev sib koom ua ke, kev txhawb nqa qhov sib nrug - txiav txim siab seb lub kaw lus puas muab cov kev pabcuam txhim khu kev qha tau ntau xyoo lossis dhau los ua qhov chaw xau, txhaws, thiab kev hu rov qab raug nqi.

Daim ntawv qhia no suav nrog cov ntsiab lus ntawm kev xaiv cov yeeb nkab thiab kev teeb tsa rau ob qhov sib txawv ntawm cov kab ke: cov dej hauv tsev (kub thiab txias) thiab cov dej huv ( av, pov tseg, thiab qhov cua). Thaum lawv feem ntau khiav mus sib npaug, lawv cov kev xav tau txawv heev. Peb yuav tshuaj xyuas cov ntaub ntawv sib xws rau txhua qhov, kev xav txog kev tsim qauv tseem ceeb, thiab kev teeb tsa kev coj ua zoo tshaj plaws uas sawv cev rau kev siv tiag tiag - ntiaj teb no.

Ntu 1: Cov kav dej hauv tsev

Cov kav dej yuav tsum tiv taus siab, xa cov dej txaus, tiv thaiv corrosion, thiab -rau cov tshuab siv tau- ua tau raws li cov qauv kev nyab xeeb rau cov dej haus.

Cov khoom siv dav siv rau kev siv dej

Tooj liab (Hom L lossis Hom K)
Tooj liab tau ua tus qauv rau vaj tse thiab lub teeb coj mus muag dej rau ntau xyoo lawm. Hom L (nruab nrab phab ntsa) yog qhov zoo rau feem ntau daim ntawv thov; Hom K (phab ntsa tuab) yog siv rau hauv av lossis siab - kev pabcuam siab.

Pros:Pov thawj lub neej ntev, tiv thaiv corrosion nyob rau hauv feem ntau cov dej chemistry, inhibits cov kab mob loj hlob, yooj yim rau kev koom tes (solder, nias- haum, los yog ProPress), dav txais los ntawm cov lis dej num.

Cons:kim, yooj yim rau acidic dej (pH qis) los yog txhoj puab heev - dej chloride, soldering yuav tsum tau kub daim ntawv tso cai ua hauj lwm nyob rau hauv tej qhov chaw.

Qhov zoo tshaj plaws rau:Feem ntau cov tsev nyob thiab kev lag luam potable dej, recirculating dej kub kab, raug kev teeb tsa.

Stainless hlau (Hom 304 lossis 316)
Stainless hlau yog nce ntxiv rau cov ntawv thov hwm, thaj chaw ntug dej hiav txwv, thiab qhov twg dej chemistry yog nruj heev.

Pros:Exceptional corrosion kuj, zoo heev sab hauv (tsis muaj kev sib txhuam poob), siab zog, niaj hnub xovxwm- haum systems tshem tawm kub ua hauj lwm.

Cons:Cov khoom siv ntau dua li tooj liab, yuav tsum muaj cov khoom siv tshwj xeeb thiab cov cuab yeej siv, tsis yog dav dav.

Qhov zoo tshaj plaws rau:High-cov tsev nyob kawg, tsev kho mob, chav kuaj dej, cov tsev nyob ntug dej hiav txwv, dej corrosive.

CPVC (Chlorinated Polyvinyl Chloride)
CPVC yog cov khoom siv yas yas tso cai rau cov dej kub thiab dej txias. Nws tau koom nrog hnyav cement.

Pros:Lub teeb yuag, cov khoom siv qis, tsis muaj corrosion, yooj yim rau kev txiav thiab koom nrog, tsis muaj kev ua haujlwm kub.

Cons:Nws tuaj yeem ua nkig dhau sijhawm (tshwj xeeb tshaj yog nrog UV raug lossis kub siab ze 200℃F), yuav tsum tau ua tib zoo saib xyuas qhov sib nrug (ze dua li hlau), tsis tso cai hauv qee cov lej lag luam.

Qhov zoo tshaj plaws rau:Cov nyiaj txiag-cov vaj tsev nyob zoo, tsev neeg ntau tsev neeg risers, rov ua dua hauv cov phab ntsa uas twb muaj lawm.

PEX (Cross - txuas Polyethylene)
PEX tau hloov pauv cov dej hauv tsev. Nws yog hloov tau, tuaj nyob rau hauv coils, thiab siv txhua yam los yog expansion fittings.

Pros:Hloov tau yooj yim (khoov ib ncig ntawm cov teeb meem), cov coils ntev txo cov pob qij txha, kev teeb tsa nrawm nrog cov cuab yeej nthuav dav, khov- tiv taus (ntev tsis txhob tawg), tus nqi qis.

Cons:Tsis tuaj yeem siv sab nraum zoov thaum raug UV (degrades), nas tuaj yeem gnaw, fittings tuaj yeem txo tus ID me ntsis, tsis yog txhua tus lej lees txais hauv kev lag luam.

Qhov zoo tshaj plaws rau:Cov chaw nyob kub / txias faib, radiant pem teb cua sov, repiping.

Cov Ntsiab Lus Tseem Ceeb rau Kev Siv Dej

Cov kav dej loj kom xa cov dej ntws uas yuav tsum tau ua (cov khoom siv kho mob) ntawm qhov kev siv tau siab (feem ntau 40-60 psi ntawm cov khoom siv).

Qhov loj ntawm cov khoom siv kab sizing nyob ntawm tus naj npawb ntawm fixtures thiab ncov xav tau.

Cov kab dej kub recirculation yuav tsum yog ib qho me me dua li cov khoom siv.

Kev nrawm yuav tsum nyob qis dua 8 ft / sec rau tooj liab thiab stainless kom tiv thaiv kev yaig.

Kev Txhim Kho Qhov Zoo Tshaj Plaws - Kev Siv Dej

Txhawb qhov sib txawv: tooj liab 1/2 "rau 1" - 6 ft; 1-1/4 "rau 2" - 8 ft. Stainless zoo ib yam. CPVC thiab PEX yuav tsum tau nyob ze dua (feem ntau 32 "mus rau 48").

Tiv thaiv kom tsis txhob khov: Insulate cov kav dej hauv qhov chaw tsis muaj cua sov. PEX pab tab sis tsis khov - pov thawj.

Muab cov loops expansion los yog offsets rau ntev ncaj khiav, tshwj xeeb tshaj yog rau cov dej kub (hlau expands).

Nruab kaw-off li qub ntawm txhua ceg, fixture, thiab cov khoom sib txuas.

Purge huab cua thiab kev ntsuas siab ua ntej npog (kev sim ib txwm: 1.5x ua haujlwm siab, tsawg kawg 100 psi rau 1 teev).

Ntu 2: Cov dej huv huv (av av, khib nyiab & qhov cua)

Cov kav dej tso dej ua haujlwm los ntawm lub ntiajteb txawj nqus (nrog tsawg tshwj xeeb). Nws yuav tsum tiv thaiv corrosion los ntawm acidic los yog alkali pov tseg, tso cai rau du ntws yam tsis muaj clogging, thiab muab kom zoo venting los tiv thaiv cov cuab yeej poob.

Cov khoom siv rau cov dej ntws

PVC (Schedule 40 DWV)
PVC yog cov khoom siv dej ntau tshaj plaws hauv kev tsim kho vaj tse thiab teeb pom kev lag luam. Nws yog lub teeb yuag, tus nqi qis, thiab resistant rau feem ntau cov tshuaj hauv tsev.

Pros:Pheej yig, yooj yim txiav thiab kua nplaum, du sab hauv, dav muaj, corrosion- pov thawj.

Cons:Lub suab nrov (dej ntws tuaj yeem hnov), nkig ntawm qhov kub thiab txias, tsis yog hluav taws kub - ntsuas (melts hauv hluav taws), siv tsis tau nyob rau hauv ib qho kev ncua deb ntawm qhov chaw kub kub.

Qhov zoo tshaj plaws rau:Residential DWV, underground building drains, vent stacks.

ABS (Acrylonitrile Butadiene Styrene)
ABS zoo ib yam li PVC tab sis dub thiab me ntsis cuam tshuam ntau dua -resistant. Nws tshwm sim hauv qee thaj tsam (xws li, Canada, thaj chaw hauv Asmeskas).

Pros:Tawv, ua haujlwm ntawm qhov txias dua, yooj yim hnyav vuam.

Cons:Ntau zaus rau warping nyob rau hauv lub hnub kub, tsis raws li dav stocked nyob rau hauv tag nrho cov cheeb tsam.

Qhov zoo tshaj plaws rau:Qhov chaw nyob DWV hauv cheeb tsam tso cai.

Cam khwb cia hlau (Hubless "Tsis muaj-Hub" lossis Hub & Spigot)
cam khwb cia hlau yog qhov kev xaiv zoo tshaj plaws rau kev lag luam thiab siab - qhov kawg ntawm cov kav dej. Nws dampens suab nrov, tiv thaiv hluav taws, thiab muaj lub neej ua haujlwm ntev.

Pros:Nyob ntsiag to heev, hluav taws kub-resistant (tsis yog-combustible), ruaj, muab thermal huab hwm coj.

Cons:Hnyav, kim, yuav tsum tau stainless hlau couplings (Tsis yog-Hub) los yog txhuas thiab oakum (ib txwm), txiav yuav tsum snap cutter los yog abrasive saw.

Qhov zoo tshaj plaws rau:Cov tsev lag luam, tsev nyob zoo nkauj, siab -nce kev tsim kho, hluav taws kub- ntsuas cov rooj sib txoos.

Copper (DWV grade)
Copper DWV yog siv rau hauv qee qhov kev lag luam thiab chaw ua haujlwm, feem ntau rau cov kab khib nyiab.

Pros:Smooth bore, corrosion-tiv taus, zoo nkauj tsos raug.

Cons:kim heev, yuav tsum tau soldering los yog brazing, hnyav.

Qhov zoo tshaj plaws rau:Cov kua dej tawm hauv cov tshuab tshuab, cov kua qaub pov tseg.

Cov Ntsiab Cai ntawm Kev Siv Dej Dej

Txoj kab nqes: Yam tsawg kawg 1/4 nti ib ko taw rau cov kav dej 3 "thiab me dua; 1/8 nti ib ko taw rau 4" thiab loj dua.

Pipe sizing raws li cov chav tsev tso dej (DFU). Hom 3 "lossis 4" lub tsev tso dej ua haujlwm feem ntau nyob hauv tsev / ua lag luam.

Kev ntxuav kom huv yuav tsum tau txhua 100 ko taw, ntawm txhua qhov kev hloov pauv ntawm qhov siab tshaj 45 degree, thiab ntawm lub hauv paus tsev.

Cov kav dej yuav tsum txuas mus rau lub ru tsev (lossis ntawm AAV qhov chaw tso cai) txhawm rau tiv thaiv kev sib tsoo siphonage.

Installation Qhov Zoo Tshaj Plaws - Kev Tso Dej

Txhawb qhov sib txawv: PVC / ABS 1-1 / 2 "rau 4" - 4 ft; Cam khwb cia hlau - 5 ft rau kab rov tav, 10 ft rau ntsug.

Lub txaj hauv av hauv cov kav dej hauv cov xuab zeb lossis pob zeb zoo kom tiv thaiv qhov chaw thau khoom.

Siv cov khoom siv cheb ntev rau kab rov tav - mus rau - txoj kev hloov ntsug kom tsis txhob muaj qhov txhaws.

Tswj txoj kab nqes kom zoo; tsis txhob sag los yog tsim plab.

Kuaj nrog dej kem (10 ft taub hau) los yog cua siab ua ntej npog.

Ntu 3: Kev Sib Txuas & Kev Hloov Pauv

Kev sib xyaw cov ntaub ntawv yuav tsum tau saib xyuas tshwj xeeb kom tsis txhob xau thiab galvanic corrosion.

Copper rau stainless hlau:Siv dielectric unions los yog tooj dag hloov fittings los tiv thaiv galvanic corrosion.

Copper los yog stainless rau PVC / CPVC / PEX:Siv threaded adapters (txiv neej los yog poj niam) nrog kev pom zoo xov sealant.

Cam khwb cia hlau rau PVC:Siv shielded transition couplings (Fernco los yog zoo sib xws) pom zoo rau underground los yog saum toj no - hauv av raws li ib txoj cai.

Nplaim- txoj kev sib koom pub dawb (nias- haum rau tooj liab / stainless, thawb- haum rau PEX, hnyav weld rau plastics) tau nyiam dua hauv cov khoom siv rov qab thiab cov tsev nyob.

Ntu 4: Kev Ntsuas & Kev Ntsuas

Ua ntej zais ib qho kav dej, code yuav tsum tau kuaj:

Kev siv dej:Kev ntsuas hydrostatic ntawm 1.5 npaug ntawm lub zog ua haujlwm siab, tab sis tsis tsawg dua 100 psi rau 1 teev. Tsis muaj siab poob.

Dej ntws:Kev ntsuas dej (sau cov kav dej mus rau sab saum toj ntawm qhov siab tshaj plaws) lossis ntsuas huab cua (5 psi rau 15 feeb yam tsis muaj qhov ntsuas tau). Rau cov tshuab loj, "pob xeem" (dhau lub pob xeem los ntawm kev txheeb xyuas cov pob zeb) kuj muaj ntau.

Kev tshuaj xyuas:Tag nrho cov pob qij txha yuav tsum pom thaum kuaj. Tom qab dhau lawm, kev rwb thaiv tsev thiab qhov thaiv tuaj yeem txuas ntxiv mus.

Cov ntaub ntawv sib piv Summary Table (Dej Supply)

Cov dej sib piv

Xaus

Kev xaiv thiab txhim kho cov khoom siv dej hauv tsev thiab cov kav dej yuav tsum nkag siab txog cov kev xav tau tshwj xeeb ntawm txhua qhov subsystem. Cov dej muab qhov tseem ceeb rau kev siab ncaj ncees thiab kev tiv thaiv corrosion; Cov dej ntws tseem ceeb yog qhov tseem ceeb ntawm txoj kab nqes, qhov dej ntws zoo, thiab qhov cua kom zoo. Kev xaiv cov khoom muaj feem cuam tshuam rau tus nqi, kev teeb tsa ceev, suab nrov, thiab kev cia siab ntev ntev -.

Rau feem ntau cov dej num hauv vaj tse, tooj liab (lossis PEX) rau dej thiab PVC rau cov kua dej muab pov thawj, kev lag luam ua ke. Rau kev lag luam thiab siab - cov tsev ua tau zoo, stainless hlau rau dej thiab cam khwb cia hlau rau cov dej xa tawm ua haujlwm ntsiag to, kev nyab xeeb hluav taws, thiab ntau xyoo ntawm teeb meem- kev pabcuam dawb. Nco ntsoov sab laj cov kav dej hauv zos, raws li kev pom zoo ntawm cov khoom siv thiab kev koom ua ke sib txawv ntawm txoj cai.

Xav tau kev pab txhawb nqa rau koj qhov project kav dej?

Peb pab neeg tuaj yeem pab koj xaiv cov khoom tsim nyog, txiav txim siab qhov loj me, thiab muab cov cai- raws li cov lus qhia tshwj xeeb.

Tiv tauj peb cov kws tshaj lij kav dejhnub no rau kev sab laj los yog nqe lus.