✅ Siv tau ib puag ncig
· Cov tsev nyob kaw-Cov Cuab Yeej Cuab Yeej: Phab ntsa- mounted boilers nrog cov cua sov hauv qab, steel radiators, thiab vaj huam sib luag radiators nyob rau hauv kaw- voj voj voog; Lub kaw lus muaj cov dej kaw, tsis txuas ncaj qha rau cov kais dej, thiab cov dej kub tsis tu ncua yog 40-80 degree. Oxygen infiltration tuaj yeem corrode boiler heat exchangers, manifolds, dej twj, thiab steel radiators, ua EVOH oxygen barrier PPR kav tsim.
· Cov Kev Lag Luam Me Me Kaw-Cov Cuab Yeej Siv Hluav Taws Xob: HVAC cov kav dej rau cov tsev so thiab cov tsev ua haujlwm me, kaw- voj voog chav dej kub; lub kaw lus muaj tooj liab, hlau, thiab cam khwb cia hlau hlau tshav kub pauv Cheebtsam.
· Solar Closed-Loop Heat Exchange Circuits: Pressurized kaw-loop solar heating/hot water circulation pipes, ua hauj lwm kub kub, tiv thaiv hlau collector modules los ntawm cais oxygen.
Cov yam ntxwv tseem ceeb: kaw- lub voj kaw lus, qhov nruab nrab kub kub, ntau cov hlau fittings nyob tom qab ntawm cov kav dej.
❌ Tsis pom zoo / Tsis haum rau qee qhov chaw
· Kev siv dej hauv tsev (qhib qhov system)
· Cov kais dej tau hloov tas li, yog li qhov cuam tshuam ntawm oxygen infiltration yog negligible; tsis tas yuav muaj cov pa oxygen- cov kav dej thaiv, nce nqi.
· Yooj yim dej Circuit Court nrog tag nrho cov yas thiab tsis muaj hlau qhov chaw, tshem tawm cov kev pheej hmoo ntawm hlau oxidation.
· Qhib lub tank, tsis yog - kaw kev kaw lus; cov dej nws tus kheej raug rau huab cua, ua rau oxygen barrier kav dej tsis muaj qab hau.
⚠️Key Environmental Restrictions
Nruab nrab: dej huv rau cua sov; tsis haum rau cov kua corrosive heev;
Kub: Ua raws li cov yeeb nkab PN ntsuas; Tus qauv ntsuas kub: -10℃txog 80 degree; Lub sij hawm luv luv yuav tsum ua tau raws li cov qauv PPR yeeb nkab;
Kev Ceeb Toom: Tsis txhob zom lossis ua rau cov txheej txheem nruab nrab EVOH oxygen barrier txheej thaum txiav; oxygen barrier kav dej tsis tuaj yeem tshem tawm corrosion; rau kaw - voj cua sov tshuab, nws raug nquahu kom siv cov cua sov tiv thaiv;
Distinction: EVOH tsib- txheej co-extruded oxygen barrier ≠ txhuas- cov yeeb nkab yas. Aluminium txheej muab tag nrho oxygen barrier, thaum EVOH muab siab barrier zog; parameters yuav tsum tsis txhob sib tov.
Kev xaiv thiab kev txheeb xyuas:
· Distinguishing Tseeb Tsib -Txheej Co-Extruded EVOH Oxygen Barrier Pipes los ntawm Pseudo-Oxygen Barrier Pipes
Muaj tseeb oxygen barrier PPR yog tsib - txheej co-extruded, ib qho - daim molding: PPR txheej txheej - nplaum txheej - EVOH - txheej nplaum - PPR txheej txheej, nrog EVOH encased nyob rau hauv cov yeeb nkab.
Qee cov khoom lag luam qis- tus nqi qis hauv khw tsuas yog muaj cov pa oxygen thaiv txheej txau rau ntawm qhov chaw. Cov txheej no yuav tev tawm tom qab tau rhuab, rubbed, los yog melted, sai sai poob nws oxygen barrier peev xwm thiab ua tsis tau raws li tus qauv DIN4726 oxygen permeability. Thaum yuav khoom, xyuas seb cov yeeb nkab cov cim qhia DIN4726 thiab EVOH tsib- txheej co-extrusion.
· Kev ntsuas ntsuas qhov sib txuam nrog qhov system
Kev yuav cov kav dej oxygen barrier tsis txhais tau tias txhua yam zoo; qhov PN ntsuam xyuas yuav tsum tau sib phim. Rau cov cua sov hauv qab thiab cov tshuab hluav taws xob, PN20 / PN25 nyiam dua; tsis txhob siv PN16 qis-siab oxygen barrier kav kav ntev -lub sij hawm siab- kub cua sov, raws li lawv cov siab kuj yuav txo nyob rau hauv high kub, yooj yim ua rau bulging thiab to.
· Xim tsis txiav txim siab oxygen barrier kev ua tau zoo. Ntau tus neeg siv khoom yuam kev ntseeg tias cov kav dej ntsuab lossis cov kav dej liab yog cov pa oxygen barrier kav. Cov yeeb nkab xim tsuas yog xim xim; xim ≠ oxygen barrier. Ordinary PPR kuj tuaj yeem ua ntsuab lossis liab; koj yuav tsum xyuas seb nws puas muaj EVOH oxygen barrier txheej.
