Corrosion Resistance Properties of Modern Bibcock Materials

Nov 12, 2025

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BIBCocks yog cov khoom siv tseem ceeb hauv cov kav dej, tswj cov dej ntws hauv thaj chaw, kev lag luam, thiab chaw lag luam. Txawm li cas los xij, tsis tu ncua raug dej, tshuaj, thiab ib puag ncig yam tuaj yeem ua rau corrosion, cuam tshuam rau kev ua haujlwm thiab kev ua neej. Niaj hnub nimno bibcocks yog tsim los nrog cov ntaub ntawv tshwj xeeb engineered los tiv thaiv corrosion, kom ntseeg tau ntev thiab kev ntseeg tau ntev. Kab lus no tshawb txog cov khoom tiv thaiv corrosion ntawm cov ntaub ntawv bibcock tam sim no, lawv cov kev siv, thiab cov txiaj ntsig.


1. Nkag siab txog Corrosion hauv Bibcocks

Corrosion yog qhov maj mam degradation ntawm cov hlau vim yog tshuaj lom neeg cov tshuaj tiv thaiv nrog dej, oxygen, thiab lwm yam khoom siv ib puag ncig. Hauv bibcocks, feem ntau cov ntaub ntawv ntawm corrosion muaj xws li pitting, xeb, thiab nto tarnishing. Cov no tuaj yeem ua rau cov dej xau, txo cov dej ntws, thiab cov txheej txheem tsis muaj zog. Cov ntsiab lus xws li cov ntxhia hauv dej, chlorination, acidic tej yam kev mob, thiab sab nraum zoov raug ceev corrosion, ua rau kev xaiv cov khoom tseem ceeb rau lub sij hawm ntev -.

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2. Brass Alloys: Cov Qauv Kev Lag Luam

tooj dag tseem yog cov khoom siv dav tshaj plaws rau bibcocks vim nws zoo heev corrosion kuj. Niaj hnub nimno tooj dag alloys, xws li CW617N, ua ke tooj liab thiab zinc nrog me me ntawm lwm cov ntsiab lus los txhim kho lub zog thiab tsis kam mus dezincification-ib hom kev xeb uas zinc leaches los ntawm cov hlau.

Cov alloys no muaj txiaj ntsig tshwj xeeb hauv cov dej haus vim lawv tiv taus pitting thiab degradation los ntawm cov dej chlorinated. High-Brass bibcocks zoo kuj tseem muaj qhov ruaj khov ntawm qhov ntev, ua kom cov xov thiab cov khoom sib khi tseem ruaj khov thoob plaws lub valve lub neej.


3. Stainless hlau: Superior Corrosion Resistance rau hnyav ib puag ncig

Rau ib puag ncig huab, stainless hlau feem ntau nyiam. Qib zoo li 304 thiab 316 stainless hlau muaj qhov tshwj xeeb tiv thaiv oxidation, tshuaj tua kab mob, thiab dej acidic. Lub xub ntiag ntawm chromium nyob rau hauv stainless hlau ua ib tug passive oxide txheej ntawm qhov chaw, tiv thaiv corrosion ntxiv.

Stainless hlau bibcocks yog qhov zoo tagnrho rau cov chaw ntug dej hiav txwv, cov chaw ua tshuaj lom neeg, thiab kev teeb tsa sab nraum zoov uas raug dej ntsev los yog tshuaj lom neeg muaj ntau. Lawv cov kev tiv thaiv corrosion txo cov kev xav tau ntawm kev saib xyuas thiab txuas ntxiv lub neej kev pab cuam, ua rau lawv tus nqi - kev xaiv zoo nyob rau lub sijhawm ntev txawm tias tus nqi pib dua.


4. Polymer-Cov khoom siv: PVC, CPVC, thiab PPSU

Cov polymers niaj hnub no tau siv ntau dua hauv kev tsim khoom bibcock, tshwj xeeb tshaj yog rau cov ntawv thov uas xav tau tshuaj tiv thaiv lossis qis - hnyav hnyav. Cov ntaub ntawv zoo li PVC, CPVC, thiab PPSU muaj kev tiv thaiv zoo rau corrosion los ntawm acidic los yog alkaline daws thiab tsis oxidize zoo li hlau.

Cov ntaub ntawv no zoo tagnrho rau kev siv dej sab nraum zoov, chaw kuaj tshuaj, thiab zaub mov- qib dej siv. Txawm hais tias lawv yuav muaj lub zog ua haujlwm qis dua piv rau cov hlau, kev tsim kho kom zoo thiab cov txheej txheem txhawb nqa polymer bibcocks tuaj yeem tiv taus lub zog ib txwm muaj thiab kev ua haujlwm hnyav thaum tswj kev xeb - ua haujlwm dawb.


5. Kev kho deg thiab txheej txheej rau kev ua kom zoo dua qub

Txawm tias siab - cov hlau zoo tuaj yeem tau txais txiaj ntsig los ntawm kev kho saum npoo los txhim kho corrosion. Cov txheej txheem muaj xws li nickel lossis chrome plating, hmoov txheej, thiab electrochemical passivation. Cov txheej txheem no ua raws li kev tiv thaiv kev tiv thaiv, txo qis kev ya raws, tshuaj lom neeg, thiab UV hluav taws xob.

Plated los yog coated bibcocks tsis tsuas yog tiv thaiv corrosion, tab sis kuj muaj kev zoo nkauj zoo nkauj dua lub sij hawm. Tsis tas li ntawd, tshwj xeeb sealants thiab lubricants siv rau threads thiab txav qhov chaw txo kev sib txhuam thiab ntxiv tiv thaiv tshuaj tua kab mob, kom ntseeg tau tias kev ua haujlwm du thoob plaws hauv lub neej ntawm cov khoom.

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Xaus

Niaj hnub nimno bibcocks leverage cov ntaub ntawv siab heev thiab kev kho saum npoo los tiv thaiv corrosion, ua kom ntseeg tau kev lag luam hauv ntau hom dej thiab ib puag ncig. Brass alloys, stainless hlau, thiab siab -polymers kev ua tau zoo muab cov kev daws teeb meem rau kev siv vaj tse, kev lag luam, thiab kev lag luam. Los ntawm kev xaiv cov khoom siv nrog kev tiv thaiv corrosion zoo dua thiab sib xyaw cov txheej txheem tiv thaiv, cov tuam txhab tsim cov khoom siv bibcocks uas txo kev txij nkawm, tiv thaiv kev xau, thiab xa mus ntev - lub sij hawm ntev, tiv thaiv cov kav dej los ntawm kev puas tsuaj ntawm corrosion.

Xa kev nug