Yaya masu amfani daga Yurupu da Amurka su ke so kuma masu taka sarakuna na brass ball valve da suka ƙarfi

Kwata na Karama: Tabbatar da Al'ada na Gaba da Karama don Samun Dukkan na Ball Valve na Brass

Al'adarar da EU don Ruwa ta Zuciya (2020/2184) da kuma al'adarar da karama don kalla da lead-free don Ball Valve na Brass

Sararin Al’ummar Europe (EU) na Ruwa na Kuma (2020/2184) ta tsokaci Sararin 98/83/EC kuma ta saba da kudin shari’a na 5 µg/L don zinji a ruwan kuma ta 2036. Don gurin tashin brass na ruwan kuma, wannan ya sa brass mai zinji a yadda aka amfani da shi a yau da kullun ba ya dace ba. Don gane da sararin al’ummar Europe na kima, gurin tashin su ya kamata a sanyawa daga alloys mai zinji kamar yadda aka amfani da shi a yau da kullun ko alloys baya zinji—yadda aka amfani da shi a yau da kullun yana da ≤0.1% zinji—don hana zinji a ruwa. Al’adu masu kuskuren kamar EN 13828 suna baiwa kusurin kima don gurin tashin brass na copper-alloy wanda aka amfani da shi da yadu, amma kusurin abu na alloy ya kamata a tabbatar da shi da bayani na test na gaba daya. A cikin Sararin Al’ummar Europe 765/2008, masu amfani na kusurin al’ummar iya baiwa kudin kama da €500,000 don abubuwan da ba su da kusurin. Saboda hakan, masu amfani na Europe suna amfani da kusurin baya zinji wanda aka tabbatar da shi ba ne kamar bayani na kima—amma ne kusurin muhallin na kima don kewaye a market.

Sarari na Amurka na Kula da Ruwa Mai Tsayi, NSF/ANSI 61 & 372: Yadda tsarin samun shahada suka kare gudunmawa na karama ta ball valve

A Amurka, Sarari na Kula da Ruwa Mai Tsayi—kuma tashin sa na 2014, Sarari na Gudunmawa na Sumbu a Ruwan Mai Tsayi—ya bayyana “ba sumbu” kamar yadda yake a matsayin raba mai zuwa ta 0.25% a cikin karama ta ruwa. Don karama ta ball valve, kula ta dacewa ta hanyar biyu na shahada wadanda ba za a iya gudanar da su: NSF/ANSI 61 , wanda ya gudanar da karama ta sanya daga ruwa mai tsayi, da NSF/ANSI 372 , wanda ke tabbatar da abun da ke ciki. Waɗannan ba alamun inganci ne na son rai ba, suna aiki ne a matsayin ƙofofin ƙofofin ƙira. Kamfanonin samar da ruwa, masu kwangila, da masu ƙayyadaddun aikin injiniya suna buƙatar bawul ɗin da aka lissafa ta mai ba da takaddun shaida na ANSI; samfuran da ba su da waɗannan takaddun shaida ana cire su ta atomatik daga ƙididdigar sayayya da umarni. Wannan buƙatar ta tsarawa ta haifar da daidaitawa a duk faɗin masana'antar: sama da 30% na sabbin samfuran bawul ɗin ƙwallon tagulla da aka ƙaddamar a duniya ba su da gubar a farkon 2024. Ga masu sayen Amurka, alamar NSF ba kawai alamar amincewa ba ce, amma takardar shiga ce ta kowane aikin ruwan sha.

Tabbatar da tabbacin amincin: CE, WRAS, ACS, da EAC a cikin Sabis na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin

Alamar CE + ISO 9001: Ƙananan bukatun shigarwa da juriya na dubawa ga masu sayen bawul na tagulla na EU

CE marking yana nufin kumaikar da shawara na EU don hali, amanani, da kula da al'umma—kamar yadda aka bayyana a cikin Pressure Equipment Directive (PED 2014/68/EU). Don brass ball valves, yana nuna cewa ya dace da wajibbi na amanani na muhimmi, kuma yana ba da imkanin gudunmawa ta yau da kullun a European Economic Area. Bayan CE marking, ba za a iya shiga market ba. ISO 9001 certification yana taimaka wajibi na CE ta hanyar nuna cewa sistema na kula da kualiti na mazhar yana da kyau—yana tabbatar da cewa ake buƙata kumaikar da kishin, ake da kira da kula da kishin, kuma yana da imkanin amsa da kira na dukkan lokaci. A karkara, suna gaba da kula da kishin: masu sauya suna samun imkanin gano wajibi, kuma imkanin amsa da kira, kuma kumaikar da kishin suka zama da amfani da kumaikar da kishin da suka dace da kumaikar da kishin na masu amfani. Masu sauya na EU yana ayyana a yau da kullun suka kara wadannan kishin—ba suka kara suka kare da kishin ba, amma suka kara suka kare da kishin na farko. Kumaikar da masu sauya ba suka kare da kishin yana kara kumaikar da kishin, kuma yana kara kumaikar da kishin da kumaikar da kishin. Masu sauya da ke iya samun CE declarations na yau da kullun da ISO 9001 certificates yana kara kumaikar da kishin da kumaikar da kishin da kumaikar da kishin.

WRAS (UK) da ACS (Faransa): Tacebili na matiriyali, bayanin testi na EN 1984, da kira ta hanyar yanzu

A cikin Burtaniya, WRAS (Tsarin Shawarwarin Dokar Ruwa) amincewa ya tabbatar da cewa kayan bawul na tagulla ba su da haɗari ga amincin ruwan shayana buƙatar cikakken bin diddigin kayan aiki da bayanan gwajin da aka tabbatar. A Faransa, takardar shaidar ACS (Attestation de Conformité Sanitaire) tana da irin wannan manufar, ta tabbatar da cewa sassan da aka yi amfani da su ba su gurɓata kayan sha ba. Dukkanin tsarin suna komawa zuwa EN 1984 don gwajin matsin lamba da zafin jiki da kuma buƙatar cikakken rahotanni na gwaji na musamman wanda ke haɗa da bawul ɗin mutum zuwa takaddun shaida. Kamfanonin samar da ruwa da kamfanonin injiniya suna watsi da bawul din da ba a tabbatar da su ba, saboda WRAS da ACS sun yarda da doka don haɗawa da tsarin samar da ruwa na jama'a. Masu samar da kayayyaki waɗanda zasu iya samar da takaddun shaida da kuma rahotanni na EN 1984 na iya ba da damar masu ƙayyadaddun bayanai don amincewa da shigar da bawul ɗin su cikin zanekuma su ba masu kwangila tabbacin cewa binciken shafin zai tabbatar da daidaito ba tare da hadarin maye gurbin ba.

Sarari na Materiaji Ta Taba Kafa da Sertifike: Yada Allois na Brass Ball Valve da Shugunin Duniya Biyu

Gudunmawa na allois mai kyau shi ne amsa na karamin yadda zai iya gudunmawa da al'adu na abinci na ruwa a Amurka da Yurupu.

Allois na brass ba da lead (C46500, CW617N, Eco Brass®) — ta sanya imkanin karamin yadda a duniya biyu

Uku allois sun bayyana su ne a matsayin standard don karamin yadda a duniya biyu, ta hanyar yada karamin lead da tsawo na maimakon kuma yadda zai iya amfani da shi:

Bavul da aka yi da kowane ɗayan waɗannan kayan haɗin suna biyan ma'anar Amurka ba tare da gubar ba (≤0.25% matsakaicin matsakaici) da EUƙuntataccen ƙofar leachingba tare da sadaukar da ƙimar matsin lamba ba, aikin hatimi, ko aiki. Wannan haɗuwa ta kayan aiki yana ba masu rarrabawa da OEM damar kiyaye kaya guda ɗaya don ayyukan transatlantic, kawar da sake gwadawa da sauri da kuma hanzarta lokaci zuwa kasuwa.

Bayan Takaddun shaida: Abubuwan Amincewa da Ayyuka waɗanda ke cin kwangilar bawul ɗin Brass Ball

Takaddun shaida yana tabbatar da daidaito na fasahaamma cin nasarar kwangila yana buƙatar tabbacin tabbataccen amincin aiki. Ƙungiyoyin sayen kaya suna ƙara kimanta ƙwayoyin ƙirar da ke bayan takardar shaidar.

Mallakar kai tsaye na ƙera, aikin injiniya, da tsarin haɗuwa yana nuna iko akan inganci da amsawa. Masu samar da kayayyaki waɗanda ke yin simintin gyare-gyare, kayan aiki, da kuma gwada kayan aikin tagulla a cikin gida suna tilasta haƙuri mafi tsauri kuma suna daidaitawa da sauri ga canje-canje na ƙayyadaddun bayanai. Neman rangadin bidiyo na rayuwako dubawar kan-gida da aka mai da hankali kan tashoshin mahimmanci kamar gwajin iskayana bambanta masana'antun gaske daga masu shiga tsakani na kasuwanci. Duk da yake duk masu samarwa zasu iya samar da rahotanni na gwaji, kawai masu haɗin kai na tsaye suna haɗuwa da lambobin zafi na kayan aiki zuwa bawul din da aka gama kuma suna riƙe da ganowa a matakin mai dubawa.

Kamfanin ƙarfi na ayyana yake nuna a matsayin bayanin da suka daga karama: kowane karama na wani karama dole ne ya zama mafahimi don karamar raw material, karamar machining center, bayanin pressure test, da karamar final inspection stamp. Wannan bayani mai zuwa gaba yake taimaka wajen analisis na sabonin sabuwarin abin da ke daga gida da yawa, kuma yake soke bayanin da ke bukatar su a cikin al’ada masu amfani. Don wasu karama na shekara biyu ko ƙaranci, yadda za a iya samun karama da aka sertifikeyi ta hanyar amfani da karamar forging die, tooling, da masu amfani da suka kara, yana nuna karamin da ba sertifikat suna iya nuna ba.

Rashin karfin samar da kayayyaki ya kammala hoton amincin. Lokaci mai dacewa, ajiyar tsaro na yanki, da kuma kayan aikin tagulla masu amfani da kayan aiki biyu suna rage haɗarin rushewa wanda ya jinkirta jadawalin ginin. Masu saye a Turai da Arewacin Amirka yanzu suna tsammanin shirye-shiryen ci gababa kawai takaddun shaida baga samfuran da suka dace da EN 1984 ko NSF/ANSI 61. Hakazalika, goyon bayan fasaha mai amsawa injiniyoyi waɗanda ke ba da shawara game da ƙayyadaddun ƙirar ƙira, ƙididdigar kwararar (Kv), ko jituwa da kayan aikisuna nuna abokin haɗin gwiwa, ba mai siyarwa ba.

Samun kwangilar bawul din tagulla ya dogara da kula da takaddun shaida kamar bene ba rufi ba. Ta wajen bincika tushen aiki a bayan alamun, masu siye suna zaɓar masu samar da kayayyaki waɗanda za su iya ba da daidaito, abin dogaro da aiki shekara bayan shekara.

Tambayoyi Masu Yawan Faruwa

Menene Dokar Ruwa na EU (2020/2184)?

Sarari na Kudin Gwamnati na Yurupi (2020/2184) ta cire Sarari na 98/83/EC kuma ta sanya kudin kankara da yawa a cikin ruwa mai tsin gida, kuma ta bukata cikakken kudin kankara wanda aka yi shi don samun ruwa mai tsin gida domin amfani da alloys wanda ba su da kankara ko kankara mai yawa.

Wane ne kudin da ke bukatar amfani da shi don brass ball valves a Amurka?

Kudin Amurka ya bukata brass ball valves su amfani da NSF/ANSI 61 (don fahimta kudin da ke zuba daga ruwa) kuma NSF/ANSI 372 (don fahimta kudin kankara), don tabbata cewa suke da "ba su da kankara" a cikin Sararin Safe Drinking Water Act.

CE marking shine ne don brass ball valves a Yurupi?

CE marking ta tabbata cewa brass ball valves suke da kudin da ke bukatar lalace, salama, da kudin da ke bukatar aiki da al'adu, kuma ta ba su damar tattara a cikin Yurupi Economic Area (EEA).

Wane ne WRAS da ACS, kuma yaya ne su muhimmi?

Sertifikat WRAS (UK) da ACS (France) yana nuna cewa abubuwan da aka yi ball valve na brass suna kuma gaskiya ga amfani da ruwa ta tsoki. Sannan sertifikat su ne da wajib a matsayin shari don daga cikin jama'a na ruwa a kowane yanki.

Wane ne ma'ana mai kyau na amfani da alloys na brass ba da lead kamar C46500, CW617N, da Eco Brass®?

Alloys ba da lead suna bada damuwa ga kowane shari na US (≤0.25% lead) da EU ga ruwa ta tsoki, yana nuna cewa suna kuma gaskiya ga shari ba tare da fuskanci ko kuzarci na koyaushe ko ƙarfi.