EN4016: Jagora ga Maƙallan Tsare-tsaren Bututun ƙarfe na Ductile

A cikin tsarin bututun matsi na ƙarfe mai ƙarfi, maƙallan (kamar ƙusoshi, goro, da gaskets), kodayake ƙanana ne, muhimman abubuwa ne don tabbatar da matsewa, amincin tsari, da kuma aiki lafiya na haɗin bututu. EN4016, "Bututun ƙarfe mai ƙarfi, kayan haɗi, da kayan haɗi - Samar da ruwan sha - Bukatu da hanyoyin gwaji," ya ƙayyade ƙayyadadden buƙatun fasaha ga maƙallan da ake amfani da su a cikin irin waɗannan bututun. Wannan labarin yana ba da bayanai na asali game da maƙallan bisa ga wannan ma'auni.

Ma'aunin EN4016 ba wai kawai ya shafi tsarin ba, har ma da tsarinbututun ƙarfe mai ductileda kayan haɗin kansu, amma kuma sun ƙayyade aiki, kayan aiki, da kariyar tsatsa na tsarin ɗaurewa da ake amfani da su don haɗa su (gami da ƙusoshi, goro, da wanki). Zaɓar da amfani da kayan haɗin da suka dace da wannan ƙa'ida yana da mahimmanci don tabbatar da bin ƙa'ida da amincin tsarin bututun gaba ɗaya.

Bukatun Asali Don Maƙallan
A cewar EN4016, maƙallan da ake amfani da su a cikin bututun ƙarfe mai ductile (musamman waɗanda ake amfani da su don samar da ruwan sha) dole ne su cika waɗannan ƙa'idodi na asali:
1. Kayayyakin Kayan Aiki da Inji

  • Bolts: gabaɗaya ya kamata a yi su da kayan da ke da ƙarfi da tauri, kamar ƙarfen carbon ko ƙarfe mai ƙarfe. Matsayin kayan aikinsu ya kamata ya zama aƙalla 8.8 (yana nuna ƙarfin tauri na 800 MPa da rabon ƙarfin samarwa na 0.8). Don aikace-aikacen matsin lamba mafi girma, ana iya buƙatar bolts masu ƙarfi na 10.9 ko sama da haka.
  • Kwayoyi: yakamata su dace da matsayin ƙarfin ƙugiyar, yawanci suna amfani da goro na aji 8 ko 10, don tabbatar da haɗin kai mai daidaito da hana yanke zare.
  • Ƙarfin gyarawa: ya kamata ya sami ingantaccen ƙarfin gyarawa da kuma ƙarfin injin don tabbatar da rashin lahani na ciki.

2. Zaren Zareya kamata ya dace da ma'aunin zaren ma'aunin ISO (misali, ISO68-1, ISO261)a kasance mai tsabta, cikakke, kuma babu burbushi, tsagewa, da sauran lahani domin tabbatar da daidaito tsakanin ƙulli da goro.

3. Girma da Juriyadole ne ya bi ƙa'idodin haƙuri da aka ƙayyade a cikin zane-zanen ƙira da ƙa'idodi masu dacewa (kamar EN ISO 4014 da EN ISO 4032) don tabbatar da daidaito da daidaito a cikin haɗuwa.

Saboda ana amfani da bututun ƙarfe mai ductile a ƙarƙashin ƙasa ko a cikin yanayi mai danshi, kuma saboda suna jigilar ruwan sha, juriyar tsatsa na manne yana da matuƙar girma. EN4016 yana da ƙa'idodi masu tsauri kan wannan:
1. Hadarin Tsatsa
Maƙallan ƙarfe na carbon suna da matuƙar saurin kamuwa da tsatsa ta hanyar amfani da lantarki a wurare masu danshi. Tsatsa mai tsanani na iya haifar da karyewar ƙulli, zubewar haɗin gwiwa, har ma da lalacewar tsarin bututu.
Domin a taɓa ruwan sha, dole ne murfin hana tsatsa ya zama ba shi da guba, ba shi da wari, kuma ba ya shafar ingancin ruwa.

2. Shawarar Rufin Hana Tsatsa,EN 4016 ya ba da shawarar waɗannan hanyoyin magance lalata a cikin muhallin ruwan sha:
Yin amfani da galvanizing mai zafi (HDG): Wannan hanya ce ta kariya da aka saba amfani da ita kuma mai inganci. Bayan an ɗebo da kuma ɗebo, ana nutsar da maƙallan a cikin zinc mai narkewa don samar da wani kauri mai kauri na zinc-iron da kuma wani tsantsar zinc.
Bukatar: Kauri na layin galvanized dole ne ya cika ƙa'idodi masu dacewa (kamar ISO 10684), yawanci yana buƙatar matsakaicin kauri na akalla 50μm don tabbatar da kariyar tsatsa na dogon lokaci. Rufin Dacromet/Zinc-Chromium: Fasaha ce mai jure tsatsa wanda ba ta da hydrogen, wadda aka samar ta hanyar amfani da slurry wanda ya ƙunshi foda zinc, foda aluminum, da chromic acid sannan a gasa shi a babban zafin jiki.
Fa'idodi: Kyakkyawan juriya ga tsatsa (yawanci ya fi ƙarfin tsoma ruwan zafi mai kauri iri ɗaya), babu haɗarin tarkacen hydrogen, da kuma rufin da ya dace.
Ya cika dukkan ka'idojin tsafta na kayan da suka shafi ruwan sha.

Rufin Epoxy: Ana amfani da wani fim mai kariyar resin epoxy mai ƙarfi a saman manne ta amfani da hanyoyi kamar feshi na lantarki.
Amfani: Kyakkyawan juriya ga sinadarai da kuma kyawun gani. Duk da haka, dole ne murfin ya kasance cikakke kuma babu lalacewa, domin hakan na iya haifar da tsatsa.

Tsarin bututun matsi na ƙarfe mai ƙarfi, bututun ƙarfe mai ƙarfi, samar da ruwan sha , EN4016, maƙallan, kayan haɗi, kayan haɗi, ƙusoshi, goro, gaskets, maƙallin tare da galvanizing mai zafi


Lokacin Saƙo: Satumba-19-2025

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