Yuav ua li cas xaiv qhov zoo npauj npaim valve?

Yas npauj npaim valve yog cov khoom siv tswj cov kua dej ntau, dav siv hauv kev lag luam, kev tsim kho thiab kev ua liaj ua teb. Muaj UPVC CPVC PPH PVDF PPH khoom npauj npaim valve. Tus kov khawm npauj npaim loj muaj xws li DN50, DN65 DN80, DN100, DN 200, Cov kab npauj npaim npauj npaim valve suav nrog DN50 ~ DN300. Nws muaj qhov zoo ntawm cov qauv yooj yim, kev ua haujlwm yooj yim thiab corrosion kuj, yog li nws nyiam heev los ntawm cov neeg siv. Txawm li cas los xij, thaum yuav cov yas npauj npaim valve, peb yuav tsum xav txog qee yam tseem ceeb. Tsab ntawv xov xwm no yuav muab koj cov lus qhia txog kev xaiv cov npauj npaim yas los pab koj xaiv cov khoom tsim nyog.

1, Tshuaj Compatibility:

Txiav txim siab cov tshuaj tshwj xeeb lossis cov kua dej uas lub valve yuav raug. Xaiv cov ntaub ntawv yas rau lub cev lub cev thiab cov khoom siv uas tiv taus cov tshuaj corrosive. Cov plastics sib txawv muaj qhov sib txawv ntawm kev ua haujlwm rau cov tshuaj sib txawv, yog li kev sib piv cov khoom siv rau cov khoom siv tshuaj tshwj xeeb yog qhov tseem ceeb.

2, Xaiv cov khoom tsim nyog:

Plastic npauj npaim li qub yog tsim los ntawm ntau yam khoom siv, feem ntau pom muaj nyob rau hauv PVC (polyvinyl chloride), CPVC (chlorinated polyvinyl chloride), PP (polypropylene), PVDF (polyvinylidene fluoride) thiab PTFE (polytetrafluoroethylene), thiab lwm yam. Cov yam ntxwv ntawm kev ua tau zoo sib txawv, yog li koj yuav tsum xaiv cov khoom tsim nyog raws li cov kev xav tau tshwj xeeb. Feem ntau hais lus, polypropylene yog haum rau nruab nrab nruab nrab, PVC yog haum rau qaug zog acid thiab alkali nruab nrab, PTFE yog haum rau muaj zog acid thiab alkali nruab nrab, thiab FRP yog haum rau kub nruab nrab.

Thaum xaiv PVC, CPVC, PP lossis PVDF npauj npaim li qub rau kev siv tshuaj sib txawv, nws yog ib qho tseem ceeb uas yuav tsum xav txog cov tshuaj sib haum ntawm txhua yam khoom. Cov hauv qab no yog cov lus qhia dav dav rau kev sib raug zoo ntawm cov ntaub ntawv no nrog ntau yam tshuaj:

PVC (polyvinyl chloride) npauj npaim valve:

Haum rau kev kho dej, kua qaub (dilute), alkali thiab ntsev daws.

Tsis pom zoo siv nrog cov kua qaub, ketones, esters thiab cov tshuaj tsw qab lossis chlorinated hydrocarbons.

CPVC (chlorinated polyvinyl chloride) npauj npaim valve:

Cov tshuaj tiv thaiv ntau dua li PVC, suav nrog cov kua kub corrosive, ntsev, thiab ntau cov kua qaub thiab alkalis.

Tsis pom zoo siv nrog polar solvents, aromatic hydrocarbons thiab chlorinated hydrocarbons.

PP (polypropylene) npauj npaim valve:

Resistant mus rau ntau yam acids, alkalis thiab organic solvents.

Tsis pom zoo siv nrog muaj zog oxidizing acids, chlorinated hydrocarbons, aromatic thiab halogenated hydrocarbons.

PVDF (polyvinylidene fluoride) npauj npaim valve:

Cov tshuaj tiv thaiv zoo heev rau ntau yam tshuaj corrosive, nrog rau cov kua qaub muaj zog, cov hauv paus thiab cov kuab tshuaj halogenated.

Haum rau tuav cov tshuaj corrosive thiab siab purity daim ntaub ntawv.

Nco ntsoov sab laj cov kab kos tshuaj sib raug zoo thiab cov ntaub ntawv tshwj xeeb los xyuas kom meej qhov kev xaiv ntawm PVC, CPVC, PP lossis PVDF npauj npaim li qub rau kev siv tshuaj sib txawv. Tsis tas li ntawd, xav txog qhov kub thiab txias thiab kev kub ntxhov raws li kev tswj hwm thiab cov qauv kev lag luam thaum koj xaiv.

3. Ua tib zoo saib lub valve lub cev qauv:

Yas npauj npaim valve lub cev qauv kuj yog ib qho tseem ceeb uas yuav tsum tau xav txog thaum yuav khoom. Common valve lub cev qauv muaj flange hom, threaded hom thiab welded hom. Flanged valve lub cev yog tsim rau txoj kab uas hla loj thiab siab siab zaus, threaded valve lub cev yog haum rau me me txoj kab uas hla thiab tsis tshua muaj siab zaus, welded valve lub cev yog haum rau kub thiab siab siab zaus. Yog li ntawd, koj yuav tsum xaiv txoj cai valve lub cev qauv raws li qhov teeb meem tiag tiag thaum yuav khoom.

4. Ua tib zoo saib cov khoom siv lub rooj zaum:

Lub rooj zaum valve yog ib qho tseem ceeb ntawm cov yas npauj npaim valve, uas cuam tshuam ncaj qha rau kev sib khi ntawm lub valve. Cov khoom siv hauv lub rooj zaum muaj xws li EPDM (ethylene propylene diene monomer), Buna-N (nitrile roj hmab), fluoroelastomer (FKM, FPM, VITON), PTFE thiab polyurethane. FKM 、 FPM 、 VITON muaj qhov zoo corrosion thiab puas kuj, PTFE muaj corrosion zoo heev thiab kub kub kuj, thiab polyurethane muaj zoo abrasion thiab roj kuj. .

Cov ntaub ntawv no tau raug xaiv rau lawv lub peev xwm los muab lub foob kaw ntom nti, hnav tsis kam, thiab kev sib raug zoo nrog ntau yam dej thiab kub. Cov ntaub ntawv tshwj xeeb uas siv rau lub rooj zaum npauj npaim valve yog nyob ntawm daim ntawv thov, hom kua dej tswj, thiab kev ua haujlwm.

Thaum yuav khoom, koj yuav tsum xaiv cov khoom tsim nyog lub rooj zaum valve raws li tus yam ntxwv ntawm qhov nruab nrab

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5, Kev ntsuas siab thiab ntsuas kub:

Xaiv cov li qub uas tuaj yeem tswj tau qhov kev ua haujlwm siab thiab qhov kub thiab txias hauv qhov system kom ntseeg tau tias muaj kev nyab xeeb thiab txhim khu kev qha.

Yas raw khoom npe thiab siv tau kub:

6, Loj thiab Flow:

Xaiv lub valve loj thiab ntws uas phim cov kev xav tau ntawm lub cev kom ua tiav qhov xav tau kev tswj hwm.

7. Xav txog hom kev ua haujlwm:

Plastic npauj npaim li qub yog ua manually, hluav taws xob thiab pneumatically. Kev tuav haujlwm yog yooj yim, tus nqi qis, haum rau cov tshuab me me; hluav taws xob ua haujlwm yog yooj yim, siab raug, haum rau cov tshuab loj; pneumatic kev ua haujlwm yog ceev, qib siab ntawm automation, haum rau cov tshuab uas yuav tsum tau hloov ntau zaus. Yog li ntawd, nyob rau hauv kev yuav khoom ntawm qhov yuav tsum tau xaiv qhov tsim nyog hom kev ua haujlwm raws li qhov xav tau tiag tiag.

8. Ua tib zoo mloog cov qauv valve thiab ntawv pov thawj:

Hauv kev yuav cov yas npauj npaim li qub, koj kuj yuav tsum tau ua tib zoo saib seb lub valve puas ua tau raws li cov qauv tsim nyog thiab cov ntawv pov thawj. Cov qauv thiab ntawv pov thawj yog ISO, CE, API thiab lwm yam. Xaiv cov khoom uas ua tau raws li cov qauv thiab cov ntaub ntawv pov thawj yuav ua kom cov khoom zoo thiab kev nyab xeeb.

Los ntawm kev ua tib zoo xav txog cov xwm txheej no, koj tuaj yeem xaiv cov yas npauj npaim valve uas tsim nyog rau kev tuav cov tshuaj sib txawv, ua kom muaj kev nyab xeeb, kev ntseeg tau thiab siv tau ntev hauv koj daim ntawv thov.