Irrigation tej yaam num yog lub sij hawm-siv ua hauj lwm uas yuav sai sai ua kim. Ib txoj hauv kev zoo kom txuag tau nyiaj ntawm txoj haujlwm dej yog siv cov yeeb nkab PVC ntawm cov yeeb nkab, los yog cov yeeb nkab ntawm lub valve ntawm cov yeeb nkab dej loj thiab cov dej ntws. Thaum PVC yeeb nkab ua haujlwm zoo li cov khoom siv sib hloov, hom PVC yeeb nkab yuav tsum sib txawv ntawm txoj haujlwm mus rau txoj haujlwm. Thaum xaiv cov kav dej twg los siv hauv koj txoj haujlwm, nws yog ib qho tseem ceeb kom paub tseeb tias koj siv lwm yam xws li dej siab thiab hnub ci rau hauv tus account. Kev xaiv qhov tsis ncaj ncees lawm tuaj yeem ua rau muaj ntau yam ntxiv, tsis muaj kev saib xyuas. Lub lim tiam no blog ncej npog ntau hom PVC kav dej. Npaj kom txuag sijhawm, dej thiab nyiaj txiag!

Teem caij 40 thiab Teem caij 80 PVC yeeb nkab PVC yeeb nkab
Thaum xaiv PVC irrigation kav, ob qho tib si Schedule 40 thiab Schedule 80 kav yog hom irrigation PVC yeeb nkab. Lawv tswj cov kev ntxhov siab tib yam, yog li yog tias koj xaiv rau Lub Sijhawm 40, koj yuav tsis tas txhawj txog kev cuam tshuam ntau zaus. Teem sijhawm 80 yeeb nkab muaj cov phab ntsa tuab thiab yog li lub suab zoo dua, yog li koj tuaj yeem xav siv Schedule 80 yeeb nkab yog tias koj tab tom tsim cov txheej txheem saum toj no.

Txawm hais tias koj xaiv cov yeeb nkab PVC hom twg, nws yog ib qho tseem ceeb kom nthuav tawm cov yeeb nkab kom lub hnub ci tsawg li sai tau. Txawm hais tias qee hom PVC tiv taus tshav ntuj dua li lwm tus, cov yeeb nkab PVC uas raug tshav ntuj rau lub sijhawm ntev tuaj yeem ua nkig sai. Muaj ntau txoj hauv kev rau kev tiv thaiv hnub ci rau koj cov dej ntws. 3-4 lub tsho tiv no ntawm sab nrauv latex xim muab kev tiv thaiv tshav ntuj txaus. Koj tseem tuaj yeem siv ua npuas dej rwb thaiv tsev. Underground systems tsis xav tau kev tiv thaiv tshav ntuj. Thaum kawg, dej siab tsis yog qhov teeb meem loj thaum nws los txog rau cov kav dej. Feem ntau cov kev hloov pauv hauv cov dej hauv cov kav dej tshwm sim ntawm cov kab tseem ceeb. Tom qab ntawd, koj tsuas yog xav tau PVC yeeb nkab nrog PSI qhov ntsuas sib npaug ntawm qhov system siab.

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Qhov chaw thiab Accessories
Yog tias koj xaiv ib qho hauv av, nco ntsoov faus cov kav dej tsawg kawg yog 10 ntiv tob.PVC cov kav dejyog nkig thiab tuaj yeem yooj yim tawg lossis tawg nrog kev cuam tshuam zoo los ntawm tus duav. Tsis tas li ntawd, cov yeeb nkab uas tsis muaj PVC yog qhov tob txaus rau lub caij ntuj no kom ntab mus rau saum av. Nws kuj yog ib lub tswv yim zoo los tso cov yeeb nkab ua npuas ncauj rau ob sab saum toj thiab hauv qab hauv av. Qhov rwb thaiv tsev no tiv thaiv cov kav dej hauv av saum toj kawg nkaus los ntawm tshav ntuj thiab tiv thaiv kev khov thaum lub caij ntuj no.

Yog tias koj xaiv siv cov yeeb nkab PVC rau koj cov kav dej, nco ntsoov siv cov yeeb nkab uas yog yam tsawg 3/4 "tuab. 1/2 ″ ceg tau yooj yim clog. Yog tias koj xaiv siv fittings, feem ntau hom PVC fittings yuav ua haujlwm zoo. Lub qhov (socket) pob qij txha nrog primer / cement tuaj yeem tuav ruaj ntseg, zoo li tuaj yeem threaded pob qij txha (hlau thiab PVC). Koj tseem tuaj yeem siv cov khoom siv thawb-on fittings, uas kaw rau hauv qhov chaw siv cov ntsaws ruaj ruaj thiab cov hniav. Yog tias koj siv lub laub-haum fittings, nco ntsoov xaiv qhov haum nrog lub foob zoo.

Polyethylene yeeb nkab thiab PEX yeeb nkab PEX Couplings
Polyethylene yeeb nkab thiab PEX yeeb nkab kuj yog cov ntaub ntawv zoo heev rau cov kav dej. Cov ntaub ntawv no ua haujlwm zoo tshaj plaws hauv cov tshuab hauv av; lawv qhov yooj yooj yim ua rau lawv zoo tagnrho rau kev siv ntawm cov av pob zeb lossis pob zeb loj. Polyethylene yeeb nkab thiab PEX yeeb nkab kuj ua haujlwm zoo hauv cov huab cua txias. Lawv tsis xav tau kev rwb thaiv tsev ntxiv kom tsis txhob txias. Thaum xaiv siv ib lossis lwm qhov, nco ntsoov tias PEX yeeb nkab yog qhov tseem ceeb me ntsis ntawm cov yeeb nkab polyethylene. Txawm li cas los xij, tus nqi siab ntawm PEX yeeb nkab ua rau nws siv tsis tau rau kev ua dej num loj. Cov kav dej polyethylene kuj tseem ua rau tawg ntau dua li cov kav dej PVC. Tom qab ntawd koj yuav tsum xaiv cov yeeb nkab nrog qhov ntsuas PSI 20-40 siab dua li qhov siab. Yog tias lub kaw lus siv hnyav, nws yog qhov zoo dua los siv PSI qib siab dua kom tsis txhob muaj kev cuam tshuam.

Qhov chaw thiab Accessories
Polyethylene yeeb nkab thiab PEX yeeb nkab yuav tsum tsuas yog siv nyob rau hauv underground systems. Zoo liPVC kav,koj yuav tsum faus cov kav dej ntawm cov ntaub ntawv no tsawg kawg yog 10 nti tob kom tsis txhob shoveling thiab puas thaum lub caij ntuj no. Kev faus polyethylene thiab PEX kav yuav tsum tau tshwj xeeb plows, tab sis feem ntau cov cav tov ntawm no hom yuav khawb mus txog 10 nti tob.

Polyethylene yeeb nkab thiab PEX yeeb nkab tuaj yeem clamped rau cov kab tseem ceeb. Tsis tas li ntawd, lub laub-fit fittings kuj muaj. Saddles tau dhau los ua ib txoj hauv kev nrov dua los txuas polyethylene thiab PEX tubing rau cov dej. Yog tias koj xaiv siv lub eeb uas yuav tsum tau khawb, nco ntsoov ntxuav cov kav dej kom huv si ua ntej muab lawv rau txhua yam kom tshem tawm cov yas ntau dhau.