Mene ne Ball Valve na Brass take so ne don Gwaji da ke tsada

Ilmin Kimiyya Tare da Tsadar Gaskiya Ga Falto na Kwallo Mai Nufi

Kayan abubuwan kwayar kwallo (alliage na koper-zinji) da tasirin su kan aiki

Bashiri shine harshen da ke daya daga cikin alkaru mai tsauri, wanda yau da kullum yana iya 60 zuwa 70% na kopar da zink. Wace ne dalilin waɗannan harshen ba su karɓe kina? Amsoshin, akwai mahaɗin uku masu mahimmanci behind wannan. Farko, ya kafa sharafin copper oxide wanda ya ƙare sabon tafiye. Na biyu, abubuwan da ke cikin zink suna aiki kamar tushen karo sabon kasuwanci. Na uku, bashirin yana da alamar antimicrobial wanda ke taimakawa wajen karo waɗannan biofilms. Matafiƙar Association na Rarrabbar Kopper, red brass wanda yana 85% kopar, yana nuna dezincification takamata 93% karanci karaga bashirin gaba daya yayin amfani da shi a cikin sigar ruwa na birni kamar yadda aka rubuta a jerin 2023. Saboda kyauwar da ke cikin wasu abubuwa, valves na bashirin ball suna iya kara ruwa wanda pHsake ta range from approximately 6.5 zuwa 8.5 baya kunna alamar wear over time.

Dezincification a cikin valves na bashiri: dalilai, karo, da halayyen masu aiki

Idan muka ce dezincification, wato nuni ne zuwa cirewa kusan zaure daga sararin alawa. Wannan zai samuwa kamar yau lokacin da abubuwan samuwa suka shiga zuwa ma'adinun da aka yi da shahoshi da ke ƙasa da pH 6.5 ko wuraren da suka fi kwayoyin chloride sama da 100 parts per million. Masu siyasa na al’umma sun kawo yanayin daban-daban don tafi da wannan halayen. Ga farawa, masu siyasa masu amfani da brass alloys suna amfani da zinc content mai karanci da 15% yayin da wadannan abubuwan samuwa suka haɗu da ruwa. Wasu kuma suka gudanar da tsarin surface treatments na musamman bayan gwanda komponen, suka kirkirar galibi mai sauri akan alawa. Kuma akwai kyakkyawan muhimmiyar bin ASTN B584 wanda aka buƙatar brass alloys suka tabbata cewa suke tsinkayar dezincification. Duk wadannan hanyoyin suna magana da kyau. Labarai suna nuna cewa valves da aka yi wa su wadannan hanyoyin suna samun rashin aiki mai karfi da roughly 78 percent a cikin harsh chemical settings dibu da wadannan da ba su karɓe. Wannan nau’in amincewa yana da mahimmanci sosai a cikin applications na al’umma inda ananin wasanin sami zai samuwa da abokin ciniki.

Kimakarar tsakanin marayya da walata a karkashin karfafa

Wannan yanzu zai yi karfi da kuma kama'a, marayya yana ƙauye da walata a kullum. Lissafin sun nuna banbancin harshe – marayya yana da uku shekaru karfin gudunma na PVC wato 145 MPa compared to just 55 MPa ga walata. Kuma idan muka dubi shafin girma, marayya zai iya kare tsarin girma daga -20 daraja Fahrenheit zuwa 400, yayin da PVC ya fara tafi har ma 33 daraja kuma ta koma 140 ne. Wanne abu ne wannan ke nufi a halin yake? Marayya bai canza tsawonnya yayin da ya sami angoje, wanda shine matsala mai zurfi ga wasu tsarin. Sai dai kuma, yana tafi da kyau labarin karfin da aka fi sani da water hammer events. Babu lafiya sosai ga walatun walata domin karfin da aka kira da 15 zuwa 25 PSI a lokacin waɗannan, amma abubuwan marayya masu karfi ba su karu.

Kamalitin karkashin karfafa na marayyar ball marayya a cikin alamomin gidajin ruwa masu canje-canje

A tsaron kimiyyar NACE a shekara hudu na gaba, an sami cewa ball valves na brass yana corrode a 0.002 mm/year, kamar 0.8 mm/year ga carbon steel. Daidaitaccen karfi na yadu ya sa ya iya agoyin uku da ukwui (50,000) ko fiye ba da leaks na stem packing, wanda ya sa ya zama mafi kyau don noma na control da ke da pressure fluctuations.

Iyaka da Ball Valves na Brass a Cikin Ma'ajin Da Iya Ruwa Da Gudu

Ball valves na brass sun fara wuce a cikin ayyukan da ke da shahara saboda karfin dutsen chemical, ruwan sama, da alhakin sarrafa. Nayon oxide layer da tafi a kan alloy na copper-zinc yana bada inganci mai tsada zuwa ne a lokacin da ke da sharuɗɗu.

Iyaka a cikin ma'aikata, sarrafa da kayan tsaye na industrial

Kungiyoyin brass suna tafi da kyau labarin kimiyyar sauyawa, kamar acidic da alkaline, a cikin amfanin kimiyya, ko kuma a sarari pH da ke 12 kafin su zama na wear and tear. Lokacin da za a yi amfani da su a kullun ruwa mai namnam a waje, waɗannan kungiyoyi suna nuna alama mai sauƙi. Bayanin gyara abubuwan tsakanin kasa a kusurwar kasa suna nuna cewa yanzu ana canza kungiyoyi ta stainless steel a matsayin uku kusa zuwa talo goma biyar karshen shekara biyu da ashirin, saboda bayanin gwamnati na NACE a shekara 2023. Wanda ke nuna kyakkyawan brass a cikin amfanin kasuwanci shine imani dake tsada ba hanya kimiyyar sauya amma kuma sauya na jiki wanda zai kawo wasanni domin mutum, wadanda zai kawo shuka ga abubuwan sanya. Waɗannan haɓaka suna taimakawa wajen kare ma'auni na kungiyoyi yayin amsawa da abubuwan mai sauya waɗanda ke kawo shuka ga abubuwan tsaya a cikin lokaci.

Tacekor tarin: kungiyoyin brass ball a cikin tsakanin kasa na kusurwar kasa

A cikin rarraba 2022 na Miami Beach na cooling system na kullun ruwa, an canza kungiyoyin plastic 1,200 da kungiyoyin brass. Karshen shekara biyu da ashirin:

• An koma katkwancin saboda mai zurfi daga 34% zuwa 2%
• An koma karancewar abokin cin guduma da $18,000 kowace watan
• An kara karfama na tsarin da aka iya sauya da 40 PSI

Wadannan sharuɗɗan suna goyan bayani daga Tafiya na Ingiziniyar Mai Ruwa a shekara 2023, waɗanda suka nuna cewa fusuɗen brass sun koma da iri daya ne na uku da ashirin irin plastic a wuraren da ke da chloride

Kama tsin Brass da PVC ball valve a lokacin da ke da ruwa sosai da kayan da ke zurfa

Alƙawarin cin zarafi (2023) suna nuna cewa PVC valves sun karu 83% yawa har maƙalolin su komaɓe a albarkashin yanki mai tsanyaya, wanda ya ƙarfafa brass yayin aiki don sadarwar da ke cikin iyaka.

Yadda za a iya samun zarafi a juyawa daga pressure da temperature

Fusayar alkaruɗi na brass su aiki kyauta ga kula da shigarwa ta hanyar ruwa, kamar yadda ya dace tare da girman tsawon -20 daraja Fahrenheit zuwa 400 daraja. Suna iya karyawa da wani dutsen dama mai zurfi, kamar yadda ya dace da zafi mai yawa da ukku da shekara game da square inch ba tare da abada. Wanne ne dalilin brass valves suna da sauƙi? Ko'iffisientin karɓashin tsawonnya ke da darajar takamatan 11.6 micrometers per meter per degree Celsius. Wannan bas ake nufi cewa baza karɓata ko baza karkata sosai lokacin da girman tsawonnya yake canzawa sosai, wanda yake taimakawa wajen karyawa da kuskuren kulle. Don haka manyan masu ingineer suna son fusayen brass a cikin buɗe HVAC da wasu ayyukan sarrafa gida inda plastic alternatives suna kurta da kusa da halayyensu. Harshe na brass ita ce ta karyawa da canje-canjen girma mai zurfi kyauta karifi duk wani abin da aka samu a bazarun yau.

Matsalolin Da Ake Amfani da Fusayar Alkaruɗi na Brass Suka Yi A Cikin Sarrafar Gida Da Indastiri

Amfani da fusayar alkaruɗi na brass a cikin sarrafar gida da sarrafar kasuwanci

Ƙaramin gida da kasuwanci suna taka rawar zuwa zuwa ga farashi don buƙatar sauya ruwa saboda yawa, ba sa waya kamar wucewa, kuma a matsayin mutane suna iya amfani da shi ne. Ga wasu binciken sabonai na 2023 wanda ya duba gabashin da aka amfani da su a cikin sauya ruwa, takamaiman 8 daga cikin 10 gida sabonai suna nemo injin farashi akan alakari mai tsotin ruwa kuma a lokacin da ke kullewa abubuwan da ke sauya ruwa. Wannan babban ma'ana a wuraren da za a iya samun pressure mai karfi da yawa karfi fiye da 600 pound per square inch. Injin farashi na brass kuma yana da ma'anar 'quarter turn' wanda ke sa ita ce saukiyan amfani da shi a cikin wadannan wuraren masu daraja kafin kwance ko taushe. Kuma yanzu akwai jerin zabin abubuwan da ba za su shirya sarrafa ba wanda ke tabbatar da duk abubuwan da ke cikin sharuɗɗan lafiyar ruwan shaƙi amma suna yi aiki kamar yadda injin farashi na brass ke yi a zaman kansu.

Ayyukan injin farashi na brass a cikin tsarin sauya ruwa tare da kimiyar ruwa mai karfi

A cikin tsarin da ke da pH mai zurfi (≤6.5 ko ≥8.5) ko yawa na maye (>500 ppm TDS), brass yana nuna aiki mai zurfi kar karanci polymers saboda:

• Tasiri ta dezincification : Alloys Brass α+β modern sun kare zaunin zinc mai zuwa 72% dibé shi ne a kula da wadanda suka gabata
• Ganin scale : Yana tsaya da 92% na abubuwan da aka samu a gaban flow sannu sannu, a goyon 67% ga PVC bayan hudu (5) shekara na hasarar mineral
• Haɗin galvanic : Yana haɗawa sosai da tubular copper a cikin 89% na tsarin ruwa maso larabci

Wadannan alamar farfado suna yi brass suna ban shaƙiyya ga tsarin ruwa mai zurfi, kayan aika mai kimia, da saukunan da aka shigar da ruwa mai zurfi.

Yanayin amfani na sarrafa: aikace-aikacen kimia, HVAC, da tsarin kontin aikace-aikace

Anbuba Brass ball suna iya mahimmancin aikace-aikace na zarar fluid a duka wasu al'amuran:

Wani gujigojiyar 2023 zuwa zuwa kan tsarin fluids na kimanin ya bada cewa brass valves sun kara karancin kasancewar sauya ne 41% dibap ne da wadanda suke da composition.

Kiyaye sadafin fluids da kiyaye daga kusurwa ta hanyar brass ball valves

Dandalin da aka saka a cold (Ra ≤0.8μ¼m) ba su goyon wanda bakanshi za su isa, kuma suna kiyaye sadafin fluids. A cikin pharmaceutical da food-grade applications, electropolished brass ta hada da ma'adinan FDA 21 CFR 177.2600 kuma ta kai tsaron sadafin 99.97% a gashe gashen shekara (Materials Safety Council 2022).

Amfanin Baƙin Kwalba na Brass

Dogaro na Tsawon Lokaci da Rage Bukatar Kulawa a Tsarin Ruwa na Ruwa

Ƙaramin karamin kayan botani na brass suna tsaye ne daga 10 zuwa 20 shekara lokacin da suka shigar daidai a cikin albarkatu masu yau da kullun saboda bayanin sarayen LinkedIn (2025). Suna taka muhimmiyar hankali kan abubuwan kamar korosi marar galvanic da samun gurji na maye kan wadannan abubuwa da ke koshi ciki yawan shekaru na kayan aikin. Kayan lafiya na plastic suna yi wuyar hali bisa wannan. Brass bata karfafa ko kuma kara har maƙalar ta ruwa ya kama daga -20 degrees Fahrenheit zuwa 400 degrees. Wannan tsirnayi taimakawa wajen kiyaye rashin tsinkaya sosai a makonin kada su haɗu da waɗannan rashin nema da za a soyayya. Ga birnin da ke sarrafa tsarin ruwa, wannan yana da mahimmanci girma. Lokacin da kayan botani ya kashe mata buƙatar $5,800 zuwa kusan $18,000 don gyara matsala kamar yadda an rubuta ta aƙwai na Ponemon Institute a shekara ta 2023. Kadarun da aka sauya suna hada da kyau lokacin daraja.

Iyakokin PVC Kayan Botani a Cikin Alabarcin da ke Korosi da Yawancin Pressure

Kamar yadda zai fi ƙasa, kayan botani na PVC suna da iyakoki mai ban sha'awa:

• Kewayar kimiya : Haɓakar zuwa klorin da yawa karshen 2 ppm yana bada kama da tsauraran tautsine 40% (ASTM D1784)
• Kayan kanso : Babban girman kanso yana kara 30% a girman ƙasa mai zurfi (140°F)
• Zuwa UV : PVC mai kyau yana kurta daidai a waje

Wadannan alamar juyawa sun kawo PVC sai bayan abubuwan da brass ke kawo ≤98% tsarin shiga har ma labarin gomaccin shekara.

Tattalin arziki na bidiyo na balli na brass dibdibba kan sauran abubuwan

Lissafi na shekaru 20 na biyan kowane irin biya yana nuna brass ne mai daraja mafi yankiwa don abubuwan da kanso mai tsauri:

Abubuwan bayani na kasa zuwa 1" girma mai nema (ASME B16.34)

An gano da brass yana ba da kasa 23% ƙasa da ke goyan da ke ƙasa a cikin stainless steel a cikin ayyukan da ba su mahimmanci, wanda aka taimakawa shi da saukin tsauwa da kuma kai tsaye mai nau'i a makera ta standaɗardi na plumbing.

Lafiyar Tambaya: Shan Duk Brass Valves Suna Daidai A Cikin Kama da Corrosion?

Kama da corrosion yana magana sosai tsakanin nau'ikan brass valves. Alloys na brass masu amfani suna da hankali da dezincification lokacin da suka sami ruwa mai acidic tare da pH 6.5. Munyi sabon DZR (dezincification resistant) brass material sai dai. Yana ƙunshi kusan 0.05 zuwa 0.15 persent arsenic wanda ke sauya shi ne don zama mafi kyau a kama da wasu batutuwan. Labarai suna nuna cewa valves made from DZR za su iya samun karshen 5,000 hours a cikin salt spray environments bisa ASTM B117 standards kafin su nuna alamar batutu. Wannan shine takwas zuwa hufo kaɗan da ke da C37700 brass materials a cikin labarai masu damu.