Fitattun Bututun Zare

Ana amfani da kayan aikin bututu mai zare a tsarin bututu inda ana inji threaded danganean fi fifita fiye da walda, musamman a cikin ƙananan layukan buguwa, haɗin kayan aiki, rassan kayan aiki, magudanar ruwa da magudanar iska, da kuma kiyayewa{1} taron abokantaka. Don kayan aikin ƙarfe na jabu, tushen ƙayyadaddun ƙayyadaddun gama gari shineASME B16.11, tare da zaren zaren samuwa a cikiNPT, BSPT, ko BSPP, yawanci sutura1/8" zuwa 4"da azuzuwan matsin lamba kamarDarasi na 2000, 3000, da 6000.

Kada a taɓa siyan madaidaicin zaren ta hanyar siffa kaɗai. Abubuwan uku da ke sarrafa karbuwa sunenau'in zaren, aji matsa lamba, kumadarajar kayan abu.

Nau'in zarendole ne ya dace da zanen aikin da kasuwa mai karɓa:

• NPTyawanci ana amfani da shi a Arewacin Amurka mai, gas, da tsarin masana'antu gabaɗaya.
• BSPTkuma zaren da aka ɗora ne kuma ana amfani da shi sosai a yawancin kasuwannin fitarwa.
• BSPPzaren layi ɗaya ne kuma yawanci yana buƙatar wanki, gasket, ko tsarin zobe na O{0} maimakon tsoma bakin zaren kaɗai.

Matsayin matsin lambaya kamata a daidaita da yanayin ƙirar layi:

• Darasi na 2000
• Darasi na 3000
• Darasi na 6000

Zaɓuɓɓukan kayan aikiyawanci ana zaɓa ta yanayin sabis:

• ASTM A105ga janar carbon karfe sabis
• ASTM A350 LF2don ƙarancin sabis na zafi{0}
• ASTM A182F304/F316don lalata{0}sabis mai jurewa
• ASTM A182 F11/F22/F91don haɓakar tsarukan gami da yanayin zafi{0}

Ga masu siye masu nemathreaded bututu kayan aiki girma ginshiƙi, abubuwan da ke cikin shafi mafi fa'ida ba katalojin ba bazuwar{0}}wani tebur mai kwafi. Hanyar da ta dace ita ce nunakewayon zaɓikuma bayyana cewa an tabbatar da ainihin cibiyar{0}zuwa{1}}ƙarshen da zaren lissafiASME B16.11da kayyade ma'aunin zaren.

Don ainihin ma'auni, zance ko nazari ya kamata ya tabbatar:

• nau'in dacewa
• girman girman
• aji matsa lamba
• zaren misali
• darajar kayan abu

A threaded bututu hada guda biyuyana ɗaya daga cikin kayan aikin jabun da aka fi ba da oda a cikin ƙananan bututun bututu. Ana amfani da shi don haɗa ƙarshen bututu masu zaren guda biyu a cikin madaidaiciyar gudu kuma ana yawan gani a cikin tsarin amfani, rassan kayan aiki, fakitin skid, da aikin maye gurbin.

Daga ra'ayi na siye, mabuɗin bincikar bututun da aka zare sune:

• zaren misali: NPT, BSPT, ko BSPP
• aji matsa lamba: 3000 ko 6000 na gama-gari don ƙaramar sabis ɗin bore -
• darajar kayan abu: A105, LF2, F304, F316, da dai sauransu.
• ingancin machining: tsaftataccen bayanin zaren da kuma karɓar ma'auni daidai
• ganowa: alama da MTR sun haɗa da lambar zafi

Haɗin bututu mai zaren yana da sauƙi, amma idan nau'in zaren ba daidai ba ne, ɓangaren ya zama mara amfani a wurin. Shi ya sa a koyaushe a rubuta odar haɗin kai cikin cikakkiyar sigar PO, kamar:

Misali:

ASME B16.11, cikakken zaren haɗin gwiwa, 1 in, NPT, Class 3000, ASTM A105, Qty ____

1/2 inch threaded bututu kayan aikisuna ɗaya daga cikin mafi yawan adadin da ake sake yin oda a cikin ƙananan bututun bututu saboda suna zaune daidai a cikin kewayon da ke da mahimmancin shigarwa, amma gazawar rufewa sakamakon rashin kulawar zaren yana zama gama gari. A cikin ainihin ayyukan, ana amfani da wannan girman don ƙugiya na kayan aiki - layukan sama, ma'aunin ma'aunin matsa lamba, haɗin tushen bawul, magudanar ruwa da magudanar iska, layin samfura, layukan goge hatimi, rassan maganin sinadarai, da ƙaƙƙarfan hanyoyin haɗin skid.

Ga ƙungiyoyin sayayya, wannan ba abu bane "karami kuma mai sauƙi". Yawancin lokaci yana ɗaya daga cikin mafi sauƙi masu girma dabam don ƙididdigewa kuma ɗayan mafi sauri don ƙirƙirar matsalolin filin idan nau'in zaren, inji, ko zaɓin aji ba daidai ba ne. Daidaitaccen inch 1/2 na iya duba karɓuwa a gani, amma idanzurfin zaren, taper, farar, ƙyalli, ko ƙyallen shigaba a sarrafa shi da kyau, matsalolin shigarwa suna nunawa nan da nan.

Na kowa1/2 inch threaded bututu kayan aikisun hada da:

• hada guda biyu- madaidaiciyar haɗi tsakanin ƙofofin bututu guda biyu masu zare
• gwiwar hannuCanjin shugabanci - a cikin ƙaƙƙarfan tafiyar bututu
• tee- ma'auni na reshe don ma'auni, bawuloli, da ɗaukar kayan aiki{1}
• ƙungiya- haɗin da za a iya cirewa don kiyayewa{1}} taron abokantaka
• toshe- yana rufe buɗewar da ba a yi amfani da su ba
• hula- ƙarewar ƙulli don haɗin yanar gizo na waje
• nono- gajeriyar yanki mai zaren haɗi tsakanin kayan aiki ko bawuloli
• threadolet- mashigar reshe daga babban kan kai zuwa ƙaramin layin da aka zare-

1 inch threaded bututu kayan aikiana amfani da su a cikin ƙananan layukan tsari, sinadarai skids, matsewar tsarin iska, madaukai na jiyya na ruwa, da hanyoyin haɗin reshe masu cirewa inda abubuwan samun kulawa. Wannan girman shine sau da yawa inda masu siye suka fara kwatanta ba kawai nau'in dacewa ba, har maClass 3000 vs Class 6000, carbon karfe vs bakin karfe, da NPT vs BSPT / BSPP, saboda dacewa a yanzu yana da ƙarin tasiri kai tsaye akan amincin hatimi, kwanciyar hankali reshe, da kuma tsawon lokaci{0}.

Ta fuskar sayayya,1 inch threaded bututu kayan aikibai kamata a ba da oda a matsayin bayanin abu mai sauƙi ba. Ya kamata PO mai ƙarfi ya ayyanaASME B16.11, nau'in dacewa, girman inch 1, ma'aunin zaren, aji matsa lamba, darajar kayan aiki, da buƙatun dubawa / takarda. A aikace, matsalolin da aka fi sani a wannan girman sunerashin daidaiton zaren, dauri da wuri yayin taro, da kuma raunin ganowa, wanda shine dalilin da ya sa masu saye sukan kula da hankali sosaiTabbatar da ma'aunin zaren, alama, da daidaita MTRkafin kaya.

Zaren kayan aiki don sabis na matsa lamba yawanci ana kera su dagaƙirƙira blanks, biye da machining da magani mai zafi bisa ga darajar kayan. Wannan tsari yana da mahimmanci saboda aikin dacewa na ƙarshe ya dogara da fiye da girman ƙima. Ya dogara da:

• zaren mutunci
• maida hankali
• kafada kauri
• ci gaba da ci gaba
• iyakar matsa lamba

Don dubawa, babban{0}} odar madaidaicin madaidaicin ya kamata ya haɗa da:

• tabbatar da ma'aunin zarendon NPT/BSP
• matakan dubawaakan siffofi masu mahimmanci
• cak cakdon girman, daraja, aji, da lambar zafi
• MTR / Mill gwajin rahoton ganowa
• MT / PTlokacin da ake bukata
• gwajin hydrostatic ko pneumaticidan an ƙayyade ta PO ko ƙayyadaddun aikin

Fitattun bututun da aka zaren ƙirƙira ne ko na'ura mai dacewa da zaren bututu na ciki ko na waje da ake amfani da su don haɗa bututu, bawul, kayan aiki, ko kantunan reshe ba tare da walda ba. A cikin jabun tsarin karfe, zaren kayan aiki da aka saba ƙera suASME B16.11kuma ana kawo su ta nau'ikan haɗin gwiwa kamarNPT, BSPT, da BSPP.

Ana amfani da su yawanci lokacin da aikin ke buƙatar:

• sauri taro
• sauƙin sauyawa
• ƙasan zafi aiki a kan site
• ƙaramin ƙarami - shigar da buguwa
• kiyayewa{0}} shimfidar bututun abokantaka

A cikin ainihin ayyukan, kayan aikin zaren sun zama ruwan dare a cikiLayukan kayan aiki, ƙananan haɗin haɗin reshe masu ƙaranci, abubuwan amfani, magudanar ruwa, magudanar ruwa, da skid{1}}ananan taroinda sauri taro da cirewa al'amarin.

Babban hasara na zaren kayan aiki shine cewaSakamakon rufewa ya dogara sosai akan madaidaicin sigar zaren, daidaitaccen aikin taro, da kuma hanyar rufewa daidai. Idan an yi odar ma'aunin zaren da ba daidai ba, haɗin yana iya zama daidai da girman amma har yanzu ya gaza yayin dacewa{1}} sama ko yaɗuwa yayin sabis.

Haɗari na yau da kullun sun haɗa da:

• NPT da BSP rashin daidaituwa
• zaren lalacewa yayin jigilar kaya ko shigarwa
• Zaɓin aji mara kyau
• rashin isasshen hanyar rufewa akan tsarin zaren layi ɗaya
• a kan{0}} ɗorawa wanda ke lalata zaren
• raunanan takaddun QA waɗanda ke jinkirta karɓar karɓa

Wannan ba yana nufin kayan aikin da aka yi da zaren ba su da abin dogaro. Yana nufin suna bukatamafi kyawun ƙayyadaddun horofiye da yadda masu saye da yawa suka ɗauka.

Ba daidai ba. A cikin halayyar neman masana'antu,threaded bututu tushelokaci ne mafi fadi kuma mara inganci. Yana iya nufin atushe mai hawa, bangaren tallafi, flange na bene{0}} na'ura mai salo, na'urar fitila, ko na'ura mai zaren tsari,lokacin azaren dacewaa cikin siyan bututu yawanci yana nufin matsi{0}mai ɗauke da kayan da aka ƙera zuwa ƙayyadadden ƙayyadaddun bututu kamar su.ASME B16.11. A wasu kalmomi, tushen bututu mai zare na iya zama goyan bayan injina ko kayan masarufi, amma abin da ya dace da bututun da aka zare yana daga cikiniyakar matsa lambakuma dole ne a zaba tare da kulawar fasaha da yawa.

Wannan bambance-bambancen yana da mahimmanci a cikin siye saboda dabarun siyan ya bambanta. A gaskiyathreaded bututu dacewakamata a yi oda tanau'in dacewa, girman ƙididdiga, ma'aunin zaren (NPT / BSPT / BSPP), aji matsa lamba (2000 / 3000 / 6000), matakin abu, da buƙatun dubawa / takaddun takardu. Kalmomin bincike mara fa'ida kamarthreaded bututu tushebaya gaya wa mai kaya ko kayan ahada guda biyu, gwiwar hannu, te, kungiya, toshe, hula, ko threadolet, kuma bai ce komai ba game da aji, hanyar rufewa, ko ganowa. A aikace, irin wannan fayyace kalmomi ɗaya ne daga cikin mafi saurin hanyoyin ƙirƙirar kurakuran magana, rashin daidaiton zare, ko karɓar jinkiri.

Don tsarin bututun, abu dole ne ya dace damatsin lamba na sabis, hanyar rufewa, da ma'aunin shigarwa, ba kawai siffar gani ba. Taimako - salo na "tushe" na iya buƙatar daidaitaccen tsari kawai da gano ainihin kayan aiki, yayin da abin da ya dace da zaren dole kuma ya gamsar da shi.daidaiton zaren, ƙimar aji, ingancin injina, yin alama, da gano MTR. Idan ainihin aikin da ake buƙata shine bututun masana'antu, ta amfani da "tushen bututu mai zare" kamar yadda kalmar RFQ tayi sako-sako da yawa; hanya mafi aminci ita ce rubuta sashin a matsayin wanda ya dacezaren dacewabayanin.

Layin RFQ mai ƙarfi ya kamata ya haɗa da isassun daki-daki don guje wa zare ko rashin daidaituwar aji. Tsarin aiki shine:

ASME B{0} nau'in dacewa / tsari + girman + daidaitaccen zaren + aji mai matsa lamba + matakin abu + dubawa/ buƙatun takarda + yawa

Misali 1
ASME B16.11, 90 zaren gwiwar hannu, 1/2 in, NPT, Class 3000, ASTM A105, MTR da ake buƙata, Qty ____

Misali 2
ASME B16.11, Zaren cikakken haɗin gwiwa, 1 in, BSPT, Class 6000, ASTM A182 F316, MT + MTR da ake buƙata, Qty ___

Misali 3
ASME B16.11, Zaren Tee daidai, 3/4 in, NPT, Class 3000, ASTM A350 LF2 CL1, ƙananan sabis na zafin jiki, Qty ___

Don odar aikin, ƙara daidaitaccen tsarin da ya dace da iyakar dubawa yana taimakawa rage sake dubawa, karɓar jayayya, da jinkirin shigarwa.

Tuntuɓi yanzu

FAQ

 

01.Yaya ya kamata a ƙayyade kayan aikin bututu mai zaren a cikin sayan sayan don guje wa rashin daidaituwa?

Cikakken PO yakamata ya bayyanaASME B16.11, nau'in dacewa,girman, Matsayin zaren (NPT / BSPT / BSPP), aji matsa lamba (2000/3000/6000), darajar kayan abu, yawa, da duk wani bincike ko takaddun da ake buƙata. Wannan ita ce hanya mafi sauri don guje wa rashin daidaiton zaren da kin QA.

02.What ya kamata a duba a cikin wani threaded bututu kayan aiki ma'auni ginshiƙi kafin oda?

Ya kamata masu siye su tabbatargirman ƙima, ajin matsa lamba, nau'in zaren, da nau'in dacewana farko. Madaidaicin tsakiya{1}zuwa{2}}ƙarshen girma da bayanan zaren yakamata a tabbatar dasu akan abin da aka zartar.ASME B16.11 Tables, domin girma ya bambanta da nau'i, girma, da kuma aji.

03.What ne babban bambanci tsakanin NPT, BSPT, da kuma BSPP threaded bututu kayan aiki?

NPTkumaBSPTsuna tapered zaren, yayin daBSPPzaren layi daya ne. Wannan yana nufin hanyar rufewa ta bambanta, kuma waɗannan ka'idodin zaren sun kasanceba musanya baa cikin sayayya. Daidaitaccen girman daidai amma nau'in zaren da ba daidai ba na iya gazawa yayin shigarwa.

04.What ya kamata a duba lokacin da sayen threaded bututu hada guda biyu, musamman a cikin 1/2 inch da 1 inch masu girma dabam?

Za athreaded bututu hada guda biyu, musamman1/2 inch threaded bututu kayan aikikuma1 inch threaded bututu kayan aiki, mabuɗin dubawa shineKarɓar ma'aunin zaren, ajin matsa lamba, ƙimar kayan aiki, ingancin injin, da ganowa. A cikin waɗannan ƙanana na gama-gari{1}, daidaiton zaren yana rinjayar hatimi da saurin haɗuwa.

05.What dubawa takardun ne mafi muhimmanci ga threaded bututu kayan aiki kafin kaya?

Muhimman abubuwan dubawa kafin - sunego/no{0}} tafi tabbatar da ma'aunin zaren, dubawa mai girma, tabbatar da alamar, daMTR / lambar zafi ganowa. Don ƙarin sabis na haɗari{{1}, masu siye kuma na iya buƙataMT/PTkogwajin hydrostatic / pneumaticdon rage samun sabani da jinkirin shigarwa.

Takaddun shaida

 

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