Nrog rau kev loj hlob ntawm kev lag luam loj, PPR yeeb nkab tau dhau los ua neeg paub thiab siv ntau dua. Raws li cov khoom siv yeeb nkab dej tshiab, PPR yeeb nkab muaj qhov tshwj xeeb zoo. Nws yog dav hlub los ntawm tib neeg vim nws tsis yog - lom, lub teeb yuag, siab tsis kam thiab corrosion kuj. Tab sis ntau zaus peb siv nws los yog muaj lub neej ua haujlwm ntev. Peb yuav khaws nws li cas? PPR yeeb nkab chaw tsim tshuaj paus yuav qhia txog kev ceev faj ntawm PPR kav thiab fittings.
PPR yeeb nkab fittings yog ua los ntawm siab- cov ntaub ntawv zoo los ntawm kev txhaj tshuaj molding, thiab tag nrho cov khoom ntawm cov khoom ua tau raws li qhov ntsuas tau teev tseg hauv tus qauv GB / T18742. Nws kuj muaj cov qauv tsim tshwj xeeb thiab cov txheej txheem zoo: kev siv qhov loj arc dabtsi yog khoov txoj haujlwm tsim tuaj yeem txo qhov tsim ntawm dej rauj thiab tshem tawm cov yeeb nkab kev co. Tom qab PPR yeeb nkab tawg los ntawm lub zog ntawm qhov taw tes, qhov tawg yuav loj hlob sai raws li qhov axis ntawm cov yeeb nkab hauv ib qho instant. Thaum lub ambient kub yog tsawg, lub toughness ntawm PPR yeeb nkab txo thiab qhia brittleness. Thaum cov yeeb nkab raug cuam tshuam los ntawm kev quab yuam sab nraud, nws txuas mus rau cov yeeb nkab sab nraud. Tsis tas li ntawd, nyob rau lub caij ntuj no, cov yeeb nkab yuav raug puas vim yog sab nraud quab yuam thaum lub sij hawm thauj mus los, qhov chaw tsim kho thiab kev teeb tsa, thiab cov yeeb nkab yuav tawg vim yog brittleness thiab toughness (thaum thauj cov dej kub). Yog li ntawd, xyuam xim tshwj xeeb thaum khaws cia.
1. Cov kav dej thiab cov yeeb nkab fittings yuav tsum tau muab khaws cia rau hauv qhov chaw uas muaj qhov cua zoo lossis qhov chaw yooj yim, thiab yuav tsum tsis txhob muab tso rau hauv qhov chaw qhib cua kom tiv thaiv tshav ntuj ncaj qha. Lawv yuav tsum tsis txhob muab cia rau hauv qhov chaw raug tshav ntuj ntev. Lawv yuav tsum tau muab cia rau hauv ib lub tsev rau khoom, ua tib zoo saib xyuas kev nyab xeeb ntawm hluav taws, thiab qhov kev ncua deb ntawm cov cua sov yuav tsum tsis pub tsawg tshaj 1m;
2. Cov kav dej yuav tsum tau muab tso rau ntawm kab rov tav ntawm lub tiaj tiaj, cov kav dej yuav tsum tau zam, thiab qhov siab ntawm qhov sib tsoo yuav tsum tsis txhob siab tshaj 2.0m. Cov yeeb nkab fittings yuav tsum tau muab tso rau hauv ib txheej los ntawm txheej, thiab yuav tsum tau muab tso rau hauv zoo zoo thiab kab rov tav raws li pawg. Lawv yuav tsum tsis txhob stacked siab heev. Lawv yuav tsum tsis txhob muab tso rau hauv qhov tsis sib xws kom tsis txhob muaj kev sib tsoo thiab tuav tsis tau;
3. Thaum tuav PPR kav thiab fittings, lawv yuav tsum tau ua tib zoo saib xyuas thiab khaws cia kom deb ntawm cov roj stains. Nws yog ib qho nyuaj rau ntxuav cov kav dej thiab fittings nrog cov roj stains. Nws yog nruj me ntsis txwv tsis pub ntaus nruj, kov nrog cov khoom ntse, pov, poob, yob thiab luag, xws li rau tes, phab ntsa thiab pob zeb;
4. Nws tsis raug tso cai rau khob cov kav dej thiab cov yeeb nkab fittings nrog cov khoom tawv, tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias, tsis pub pov, rub hauv av, nqa thiab nce;
5. Cov yeeb nkab yuav tsum tau txiav perpendicular mus rau axial kev taw qhia ntawm cov yeeb nkab, thiab kev txiav yuav tsum tau ceev kom huv si thiab tiaj tus;
6. Kev sib txuas fusion yuav tsum ua raws li kev ua haujlwm tshwj xeeb. Thaum lub sij hawm kub fusion txuas, cov yeeb nkab thiab cov yeeb nkab fittings yuav tsum tau khaws cia rau hauv ib txoj kab ncaj nraim;
7. Thaum cov yeeb nkab yog khoov, lub vojvoog dabtsi yog khoov yuav tsum tsis pub tsawg dua yim npaug ntawm cov yeeb nkab txoj kab uas hla, thiab nws yog nruj me ntsis txwv tsis pub kom sov thiab khoov nrog qhib hluav taws;
8. Conical xov yuav tsum tau saws rau hlau xov tsim. Hemp lossis siv raw khoom siv tau rau kev sib khi thaum sib txuas, thiab nws yuav tsum tsis txhob nruj heev;
9. Thaum ob lub kav dej hla thiab sib tshooj, cov kav dej coiled yuav tsum tau siv. Thaum faus cov kav dej, txoj hauj lwm thiab kev taw qhia ntawm cov kav dej zais yuav tsum raug cim rau ntawm phab ntsa lossis hauv av. Nws yog nruj me ntsis txwv tsis pub cuam tshuam los yog ntsia hlau cov khoom ntse xws li cov ntsia hlau hlau ntawm cov kav dej.
Cov saum toj no yog kev ceev faj cia ntawm PPR kav thiab fittings qhia los ntawm PPR yeeb nkab manufacturers. Peb yuav tsum tau xyuam xim thaum txuag cov kav dej PPR kom ntev lub neej kev pab cuam ntawm cov kav dej PPR.