Tsarin da aka daidaita daban-daban suna ba da fannoni daban-daban na aikace-aikace, kuma mayar da hankali kan nauyin bututun ba iri ɗaya bane.
A yau za mu tattauna tsarin EN na EN10220.
Bayani game da ma'aunin EN 10220
EN 10220shine ma'aunin Turai don girma da juriya na bututun ƙarfe marasa sumul da walda.
Ma'aunin EN 10220 yana da aikace-aikace iri-iri kuma ana amfani da shi galibi a masana'antar mai, iskar gas, sinadarai, gini, da kuma tace ruwa.
Ma'aunin ya haɗa da diamita na waje (OD) da kauri na bango (WT) na bututun ƙarfe, yana ba da takamaiman tsari na jagora da ƙayyadaddun bayanai iri ɗaya don ƙira da ƙera injiniya don tabbatar da daidaito da musayar samfuran bututun da masana'antun daban-daban suka samar.
Hanyoyin Lissafin Nauyi
An bayar da hanyar ƙididdige nauyi a kowace mita a kowace tsawon raka'a a cikin EN 10220.
M=(DT)×Tx0.0246615
Mshine nauyin kowane raka'a a cikin kg/m,
Dshine diamita na waje da aka ƙayyade a cikin mm,
Tshine kauri na bango da aka ƙayyade a cikin mm.
Wannan ma'aunin ya dogara ne akan yawan 7.85 kg/dm3.(kg/dm3shine ma'aunin yawa, cubic decimeters.)
Ana iya amfani da ƙimar da aka ƙididdige a kan bututu masu ƙimar yawa daban-daban, amma sai a ninka ta da factor na
1.015 don bakin karfe mai austenitic (Wannan ma'aunin ya dogara ne akan yawan 7.97 kg/dm3).
0.985 don ƙarfe mai ferritic da martensitic (Wannan ma'aunin ya dogara ne akan yawan 7.73 kg/dm3).
Ana iya yin lissafi bisa ga bambancin ƙimar yawan aiki ga kowane rukuni na ma'aunin ƙarfe mara ƙarfe da aka bayar a cikin EN 10088-1.
Rarraba Jerin EN 10220
EN 10220bisa ga matakin daidaiton bututu da kayan haɗinsu. Akwai jeri uku.
jeri na 1: diamita na waje wanda duk kayan haɗin da ake buƙata don gina tsarin bututu an daidaita su;
jeri na 2: diamita na waje wanda ba duk kayan haɗi aka daidaita su ba;
jeri na 3: diamita na waje wanda ƙarancin kayan haɗi da aka daidaita suke da su.
Jadawalin nauyin bututu don jerin EN 10220 1
Bututun OD na wannan jerin yana bin ƙa'idodin ƙasa da ƙasa ko na masana'antu daidai, kuma kasuwa tana ba da kayan haɗin da aka daidaita kamar flanges, couplings, da elbows.
Wannan cikakken daidaito yana sauƙaƙa tsarin ƙira da shigarwa kuma yana rage buƙatar sassa marasa daidaito da farashin keɓancewa.
Jadawalin nauyin bututu don EN 10220 Series 2
Sashen OD na wannan nau'in bututun an daidaita shi, amma ba duk kayan haɗin ba ne aka daidaita su. Ana iya samun wasu kayan haɗin da aka daidaita, kamar flanges ko gwiwoyi, yayin da wasu sassan na iya buƙatar a keɓance su, wanda hakan ke ƙara tsada da sarkakiyar aikin.
Jadawalin nauyin bututu don EN 10220 Series 3
Sau da yawa wannan yana faruwa ne da takamaiman girman bututu ko kuma waɗanda ba a saba gani ba waɗanda ke buƙatar adadi mai yawa na kayan aiki da kayan haɗin da aka keɓance, wanda hakan ke ƙara farashin ƙira da aiwatar da aikin, tare da tsawaita lokacin siye da samarwa.
Jadawalin Nauyin Bututu don Kauri Bango 70 -100 mm
Ga bututu masu kauri da kauri daga bango daga mm 70 zuwa mm 100, an ƙayyade buƙatun a cikin EN 10220, Tebur 2.
Kayan haɗi don manyan bututun bango masu girma daidai da Jadawali na 2 bazai samuwa ba ko da kuwa jerin da ke cikin Jadawali na 1 wanda aka ware diamita na waje mai dacewa.
Mu kamfani ne mai ƙera bututun ƙarfe na carbon mai inganci kuma mai samar da kayayyaki daga China, kuma mu kamfani ne mai samar da bututun ƙarfe mara matsala, muna ba ku nau'ikan hanyoyin magance bututun ƙarfe iri-iri!
tags: en 10220, jadawalin nauyin bututu, Jerin 1, masu kaya, masana'antun, masana'antu, masu hannun jari, kamfanoni, jimilla, siya, farashi, ƙididdigewa, yawa, don siyarwa, farashi.
Lokacin Saƙo: Maris-04-2024