1. PPR cov kav dej thiab fittings yuav tsum tau muab cia rau hauv cov khoom cua uas muaj cua zoo los yog qhov chaw yooj yim. Lawv yuav tsum tsis txhob muab khaws cia rau hauv qhov chaw qhib kom tiv thaiv tshav ntuj ncaj qha. Ua tib zoo saib xyuas kev nyab xeeb ntawm hluav taws. Qhov kev ncua deb ntawm qhov cua sov yuav tsum tsis pub tsawg tshaj 1 meter.
2. PPR cov kav dej thiab fittings yuav tsum tau muab tso rau hauv kab rov tav ntawm qhov chaw tiaj tus. Kev khoov cov kav dej yuav tsum zam. Qhov siab stacking yuav tsum tsis pub tshaj 2.0 meters. Cov yeeb nkab fittings yuav tsum tau muab tso ua ke los ntawm txheej thiab yuav tsum tsis txhob muab tso rau siab dhau.
3. Thaum tuav PPR kav thiab fittings, lawv yuav tsum tau ceev faj kom tsis txhob muaj roj paug. Kev ua nruj ua tsiv, kev sib cuag nrog cov khoom ntse, thiab ntuav, ntog, dov thiab rub yog nruj me ntsis txwv.
4. Tsis txhob ntaus PPR yeeb nkab fittings nrog cov khoom tawv, tshwj xeeb tshaj yog nyob rau hauv qis kub.
5. Cov yeeb nkab yuav tsum tau txiav perpendicular mus rau cov yeeb nkab axis, thiab qhov incision yuav tsum tau ceev kom huv si thiab tiaj tus.
6. Kev sib txuas kub-kua yuav tsum tau txuas nrog nruj raws li qhov ntsuas qhov tob ntawm vuam.
7. Kev sib txuas kub-kub yuav tsum tau ua raws li nruj raws li lub sijhawm vuam tau teev tseg.
8. Thaum lub sij hawm kub yaj kev twb kev txuas, qhov siab tshaj plaws sib txawv ntawm cov yeeb nkab thiab qhov haum yuav tsum tsis txhob ntau tshaj 5 degree.
9. Thaum cov yeeb nkab yog khoov, lub vojvoog dabtsi yog khoov yuav tsum tsis pub tsawg dua yim npaug ntawm txoj kab uas hla ntawm cov yeeb nkab, thiab nws yog nruj me ntsis txwv tsis pub kom sov thiab khoov nrog cov nplaim taws qhib.
10. Cov xov hlau yog tsim los ntawm cov xov tapered, thiab tuaj yeem muab khi nrog cov ntaub nplaum los yog cov ntaub ntawv raw khoom thaum txuas, thiab nws tsis tuaj yeem nruj dua.
11. Thaum ob lub kav dej sib tshooj, yuav tsum siv cov yeeb nkab nkhaus.
12. PPR yeeb nkab fittings yuav tsum tsis txhob siv li rub nce, hangers, thiab lwm yam.