Maonedwe: 792 Wolemba: Mkonzi wa Khoti Lolemba: 2023-12-18: Tsamba
Kodi mukuvutika kusamuzindikira Npsm, NPTF, NPT, ndi ulusi wowala? Nkhaniyi ikuthandizani kudzera mu kumvetsetsa kwa ulusi, ndikuphunzitseni momwe mungayikene ndi malingaliro ofunikira.
NTHAWI YOPHUNZITSIRA PAKUTI PA Tsamba . Ndi mtundu wa ulusi wogwiritsidwa ntchito kuti alowe nawo mapaipi ndi zoyenerera. Izi ndi zomwe muyenera kudziwa:
: Zingwe za Tapender NTHAWI ZONSE ZOPHUNZITSIRA 1/16 inchi iliyonse, yomwe imatanthawuza kuti apewe zochepa kumapeto.
L amatsatira Makina a : amatsatira Ani / ASME B1.20.1 Muyezo.
: LAMPHING THELLE Zingwe zimakhala ndi 60 ° Balank.
Kuchita bwino : Amapanga chisindikizo chamakina posokonezedwa wa pakati pa ulusi ulusi ndi mizu.
Zingwe za NPT zili paliponse pakukakamizidwa . Amagwiritsidwa ntchito kuonetsetsa chisindikizo chaulere mu:
Kusamutsa madzimadzi ndi mpweya : mapaipi omwe amanyamula madzi, mafuta, kapena gasi.
l Kukakamiza ma skistems : zida zomwe zimapangitsa kukakamizidwa.
Mafakitale omwe amagwiritsa ntchito ulusi wa NPT
l kupanga
l
l arrospace
Mukakhazikitsa ulusi wa NPT, tsatirani izi:
1. Gwiritsani ntchito tepi ya PTF : kukumba tepi ya Ptfe (Teflon) kuzungulira ulusi wachimuna kuti musinthe chisindikizo.
2. Osandilimbitsa mtima : Kukula kwambiri kumatha kuyambitsa miyala , komwe ulusi umawonongeka.
3. Onani kutulutsa : Nthawi zonse muziyesa kulumikizana.
Zogwiritsa ntchito zofala zimaphatikizapo:
L Mapaipi a : Monga m'nyumba yanu.
l Zoyenera : Monga ma enbows kapena tees zomwe zimathandizira kusintha njira yotuluka.
LOMF -Free-Free : Adapangidwa kuti apange chidindo cholimba.
: Lovomerezedwa kwambiri NPT ndi muyezo m'mafakitale ambiri.
chiwopsezo champhamvu kwambiri : ndizotheka kuwononga ulusi.
l Kufunafuna Sealant : Nthawi zina, zowonjezera zowonjezera zikufunika kuonetsetsa chisindikizo chaulere.
L NPTF , kapena dziko la National Pipe , lomwe limadziwika kuti Shinsseal American American Filurchaip Finer , lidapangidwa kuti lipatse chisindikizo chambiri popanda chovuta chowonjezera.
Zingwe za L NPTF zimakhala ndi kapangidwe kake kochepa komwe kumalola kulumikizana kwamakina popanda kugwiritsa ntchito tepi kapena zingwe zina, mosiyana ndi zingwe za NPT zomwe zimafuna.
Kumbukirani, NPT ikupanga cholumikizira chitoliro cholumikizira chomwe chili chodalirika komanso chogwiritsidwa ntchito kwambiri. Kaya mukugwira ntchito pagalimoto kapena kukonza kutayikira kunyumba, mukudziwa za ulusi wa NPT zimakuthandizani kuti mupange kulumikizana bwino.
Zingwe za NPTF, zomwe zimadziwikanso kuti Shirseal American National Firel Tripe Shown , tsatirani miyezo ya ANSI B1.20.3 . Zingwe izi ndizofanana ndi npt koma zidapangidwa kuti zisindikizo zabwino. Nphtf ulusi wa NPTF uli ndi 60 ° Barle Congle Congle ndikupanga chisindikizo chamakina kudzera pamalo osokoneza bongo oyenera pakati pa ulusi ndi mizu. Izi zikutanthauza kuti ulusi umaphwanya limodzi kuti apange chidindo cholimba popanda kuyika zitsamba zowonjezera.
Pomwe NPT NDI NPTF imawoneka ofanana, mapangidwe awo amasiyana . Zingwe za NPT zimapangidwa pansi pa ANI / ASME B1.20.1 , ndipo angafunike tepi ya PTF kapena zigawo zina zosindikizira zopanda phindu . Kumbali inayi, ulusi wa NPTF, kutsatira ASSI B1.20.3 , amapangidwa kuti agwirizane ndi mazenera ndikupanga chisindikizo chopanda zida. Amakwaniritsa izi ndi kapangidwe kake komwe kumapangitsa ulusi ndi mizu kuti ikhale limodzi, ndikupanga chisindikizo chaulere.
M'dziko lapansi la mafuta ndi gasi , ulusi wa NPTF ndikusankha. Adapangidwa kuti apange chisindikizo chaulere chomwe chimayambitsa matenda . Makina awa sangatayike, ngakhale pang'ono kungakhale koopsa. Zingwe za NPTF zimagwiritsidwa ntchito pokakamizidwa ndi mabungwe omwe amakhala oyera ndi kukhulupirika kwa madzi kapena gasi ndikofunikira.
Zingwe za NPTF nthawi zambiri zimapezeka mu ntchito komwe chidindo chopanda malire ndichofunikira, ndipo palibe chosindikizidwa. Komabe, pomwe zingwe za NPTF ndi NPT zimatha kusakanikirana, izi sizotetezeka nthawi zonse. Zingwe za NPTF zitha kumetedwa mu zoukira za NPT Ndikofunikira kuyang'ana kugwirizana musanasakanize kuti apewe mavuto ngati ma bolling kapena kusindikizidwa molakwika.
Zingwe za NSPm ndi mtundu wa ulusi wowongoka . Amatsatira ANSI / ASME B1.20.1 Miyezo. Zingwe izi zidapangidwa kuti zizilumikizana m'malo mopanga chisindikizo. Ali ndi 60 ° Barn ° ndikuyenera kugwiritsidwa ntchito ndi gasiketi kapena o-mphete kuti apange kulumikizana kwaulere.
Mfundo zazikuluzikulu za ulusi wa NPSM: - ndizofanana , zomwe zikutanthauza kuti mainchesi ndi ogwirizana. - Zingwe za NSSM sizimakhala ngati zingwe za NPT (National Pinerani) ulusi. - Amagwiritsidwa ntchito popanga makina . - Kupirira mphamvu kumachokera ku ma gaskets, osati ulusiwo.
Zingwe za NSsm nthawi zambiri zimapezeka mu hydralialic dongosolo momwe chidindo chaulere chimakhala chofunikira. Amagwira ntchito mokakamiza ngati masitepe osokoneza bongo . Matumba achikazi a Swivel Swavel ali odziwika ndi ulusi wa NSSM, kulola kuyika kosavuta m'malo olimba.
Milandu yabwino yogwiritsira ntchito imaphatikizapo: - pomwe chidindo cha makina ndichofunika kuposa chidindo cha ulusi. - machitidwe ofunikira mobwerezabwereza. - Mukamagwiritsa ntchito kapena mphete ya mafuta o.
Npsm nthawi zina imatha kusokonezedwa ndi NPTF (National Pipe Fair), yomwe imadziwikanso kuti Shirseal American National American File Spart Twaper . Umu ndi momwe amafanizira:
Zingwe za L NTTF zimapangidwa kuti zithandizire kusindikizidwa kopanda malire popanda kufunikira kwa zigawo zowonjezera. Amapanga zosokoneza zomwe zili pakati pa ulusi wa ulusi ndi mizu ya ulusi.
l nsmm ulusi umafuna mafuta kapena o-mphete kuti awonetsetse kulumikizana kwaulere.
L NSPM siinasinthe ndi NPTF kapena NPT chifukwa cha miyezo yosiyanasiyana ya ulusi.
Zingwe za NSsm ndizofunikira kuti zitheke bwino momwe zimagwiritsira ntchito chidindo choyenera . Amagwiritsidwa ntchito kwambiri mu: - Kutumiza kwamadzi ndi mpweya . - mafakitale omwe amafunikira kulumikizana kodalirika.
Ntchito zothandizira mafakitale zikuphatikiza: - Madzi ndi chithandizo chamadzi. - Matenda achuma. - Matenda a mafuta.
Tikamalankhula za ulusi wa BSPT , tikugona m'dziko la mapaipi ndi kulumikizana zomwe ndizofunikira posamutsa madzi ndi mpweya . BSPT imayimira chithunzi cha Fail Vies . Ndi mtundu wa ulusi wogwiritsidwa ntchito kuti apange chisindikizo chaulere . Muyezo uwu umafotokozedwa mu zikalata ngati BS 21 ndi ISO 7.
Zingwe za BSPT ndizosiyana. Ali ndi 60 ° Bwalo la Bwaloli ndipo lili ndi matiperi, zomwe zikutanthauza kuti amapeza wocheperako pamene akupita. Izi ndizosiyana ndi ulusi wa NPT zomwe zimapezekanso koma kukhala ndi ulusi 60 ° , .
Tsopano, tiyeni tifanani ndi BSP ndi NPTF . NPTF, kapena dziko la National Pipe , nthawi zambiri limatchedwa Hard America National American Fair Showr , monga A ANI B1.20.3 , adapangira chisindikizo chambiri kuposa NPT. Zimakwaniritsa izi popanga zosokoneza zomwe zili pakati pa ulusi ndi mizu ya ulusi . BSPT sidalira izi kuti musindikize. M'malo mwake, zingafunike ulusi wotsekemera ngati ma tepi (teflon) kapena gasiketi kuti muchepetse kutayikira.
Zingwe za BSPt zimagwiritsidwa ntchito kwambiri kunja kwa United States, makamaka m'maiko omwe amatsata miyezo ya Britain ku Britain. Nthawi zambiri amawonedwa mu makina okakamizidwa komanso magwiridwe antchito . Kutha kwawo kupanga chisindikizo chamakina kumawapangitsa kuti azigwiritsa ntchito zinthu zambiri zapadziko lonse.
Tikayang'ana bspt pafupi ndi mitundu ina ya ulusi ngati ) ndi BSP ( npsm (chitoliro lonse FSPP chadziko ) Zingwe za BSPT zimapangitsa kulumikizana kwamakina osafunikira chisindikizo cha mphete kapena o-mphete , mosiyana ndi BSP omwe angafunike kuti asindikize.
Zingwe za BSPT ndizabwino kwa zochitika komwe mukufuna chisindikizo cholimba chopanda kanthu popanda kusintha kwa njira zina zosindikizira. Ndiwosavuta kugwiritsa ntchito ulusi wa NPTF , zomwe zimafuna kukhala bwino kwambiri kuti mupewe mavuto ngati ma bolling kapena kuwonongeka chifukwa cholimba.
Tikamalankhula za zingwe ngati npsm, NPTF, NPTT, ndipo BSPT, ndizomwe zimalumikiza ndi zisindikizo. iyi Miyezo imatithandiza kuonetsetsa kuti zinthu zizigwirizana. Ganizirani za mabatani a Lego - akuyenera kufanana ndi kumamatira limodzi.
L NSPM ndi NPS ali ndi ulusi wowongoka, zomwe zikutanthauza kuti sakuwala ngati akuwombera.
L NTTF , NPTF , ndipo BSPT imapezeka. Izi zikutanthauza kuti amapendaponda, ngati ngati chopunthira, chomwe chimathandiza kusiya kutayikira.
An American Americans Institute (ANAI) imakhazikitsa zingwe za ulusi wa zingwe za US Mwachitsanzo, ANSI / ASME B1.20.1 ndi ulusi wa NPT. Amatiuza kukula kwa ulusi kuyenera kukhala kwakukulu, ndi angati omwe ali mu inchi (ndiye gawo la ulusi), ndipo mawonekedwe ake omwe amafunikira kukhala nawo.
Zipangizo zofunika kwambiri. Zoyenera kwambiri ndi chitsulo, monga chitsulo kapena mkuwa, chifukwa ndi amphamvu. Kupanga magawo amenewa kumatsata malamulo okhwima kuonetsetsa kuti ndi otetezeka ndipo adzakhala nthawi yayitali. Izi zikugwirizana - ngati kutsatira Chinsinsi kuphika keke yabwino nthawi iliyonse.
l ANSI B1.20.3 Ndipo monga 1722.1 ndi zina mwazomwe zimawongolera momwe mungapangire ulusi wokakamizidwa.
l ku UK, amagwiritsa ntchito BS 21 ndi ISO 7 kwa a BSPT ndi BSP .
Opanga amatsimikiziranso kuti ulusi wawo ukhoza kuthana ndi zovuta zomwe amayenera kuchita popanda kutulutsa. Ndipamene chitsimikiziro choyimira chimalowa.
Mitengo ya ulusi imaphatikizanso phula (zolekanitsa ulusi ndi) ndi ngodya za ulusi. Mwachitsanzo, zingwe za BSPT zimakhala ndi 60 ° born , yomwe ndi gawo la zomwe zimawapangitsa kukhala osiyana nawo.
L Kulekerera kwa ndi kusiyana kochepa komwe kumaloledwa kukula ndi ulusi wa ulusi. Ali ngati chipinda cholumikizira zidutswa zoyenerera limodzi.
Lili lotsimikiza limatanthawuza kuyang'ana mbali iliyonse kuti iwonetsetse kuti ikukwaniritsa miyezo. Zili ngati mphunzitsi amene amapeza homuweki yanu kuti mutsimikizire kuti mwapeza mayankho.
Kuti chisindikizo chaulere , zigawo ngati tepi la PTF (Teflon) , - , kapena ma o mphete zitha kugwiritsidwa ntchito ndi ulusiwu. Zingwe zopota ngati NPT ndipo BSPT imatha kusindikiza okha chifukwa cha mawonekedwe awo - amayamba kuwala.
Zingwe za L NPT zidapangidwa kuti zikhale zosokoneza , zomwe zikutanthauza kuti amapanga chisindikizo chamakina pofinya.
L NSPM ulusi wogwira ntchito ndi chitoliro chachikazi - mtundu wa nati yomwe imakulolani kuti musayike pachipato chofiyira.
Zingwe za L NTTF nthawi zina zimatchedwa Driolsel American American Standard Freat ulusi wa Terper chifukwa amatanthawuza kusindikizidwa popanda tepi kapena phala.
Ponena za ulusi wogwirizira womwe umagwiritsidwa ntchito pokakamizidwa , zomwe zatsatanetsatane. Tiyeni tiwone momwe zingwezi zimagwiritsidwira ntchito mdziko lapansi.
Zingwe za NPT nthawi zambiri zimapezeka mu mafakitale a mafakitale. Mwachitsanzo, wopanga mapulani okakamiza a caltubration amatha kugwiritsa ntchito zoyenerera za NPT chifukwa chofanana ndi zida zosiyanasiyana.
Zingwe za NPTF , zomwe zimadziwikanso kuti Shirseal American National Chiwonetsero cha Terper , adapangidwa kuti azikhala otetezeka kwambiri, osasunthika popanda chosowa chowonjezera . Amagwiritsidwa ntchito poizoni komwe chidindo cha makina ndichofunikira, monga mafuta operekera mafuta.
Zingwe za NSSM , kapena makina owongoka dziko , nthawi zambiri amagwiritsidwa ntchito ndi chitoliro chachikazi . Kafukufuku angaphatikizepo dongosolo la hydraulic pomwe Ngwiti za NSPM zimalola msonkhano wabwinja ndi kukonza.
Zingwe za BSPT , ndi 60 ° , zili ponseponse pamayendedwe apadziko lonse lapansi. Nthawi zambiri amasankhidwa kuti akhale ndi luso la kusindikizidwa m'madzi ndi njira zosamutsa mpweya.
Tiyeni tithetse kusiyana:
L NTT VS. NPTF : Onse ali ndi ulusi wazithunzi wazithunzi , koma NPTF imapereka zosokoneza pakati pa ulusi ndi mizu ya ulusi , ndikuchotsa kufunika kwa sealant.
L NSPM vs. NPT : NSPM ili ndi ulusi wowongoka ndipo imafuna kuti gasiketi kapena o-mphete kuti apange kulumikizana kwaulere . Zingwe zopindika za NPT zimapanga chisindikizo kudzera mwa zowoloka.
L BSPT Maudindo apadera a ndi ofanana ndi zpt koma ali ndi ulusi wosiyanasiyana komanso uwu , ndikuwapangitsa kuti asasinthe.
Akatswiri opanga mafakitale akuwonetsa PTF kuti ntchito ya agwiritse tepi Kwa NPTF, ndikofunikira kuonetsetsa kugwirira ntchito moyenera kuti mugwiritse ntchito mwayi wawo wowuma .
Mukamagwira ntchito BSPT ndi Akatswiri akulangizani Kuyang'ana miyendo ngati Hani / ASME B1.20.1 Kwa NPTF B1.20.3 Kwa BSP 7 ndi BSPE kuti muwonetsetse bwino.
Kugawidwa , kapena kuwonongeka kwa ulusi, ndikuwopseza ndi zoyenerera izi. Pofuna kupewa, osalimbikitsidwa mopitirira muyeso ndipo nthawi zonse amatsatira njira zokakamiza .
Mukakhazikitsa Nppm , NPTF , NPT , kapena zoyenereratu , ndikofunikira kutsatira malangizo apadera kuti awonetsetse kulumikizana kwaulere . Nayi kalozera mwachangu:
L NPT ndi NPTF :
l Ikani tepi ya PTF kapena chidutswa choyenera ku ulusi wamphongo.
Ndikulimbikitsani kumanja ndi dzanja, kenako gwiritsani ntchito chipongwe chomaliza.
ndimasamala kuti musalimbikitse kwambiri, chifukwa izi zitha kuwononga ulusi.
L BSPT :
l ofanana ndi NPT, gwiritsani ntchito tepi ya PTF kapena chidutswa chosindikizira.
Ndikulimbikitsani mosamala kuti mukwaniritse chisindikizo chamakina.
L NSPM :
l ulusiwu umapangidwa kuti azikwatirana ndi chitoliro chachikazi.
gwiritsani ntchito mafuta kapena o-mphete kuti musindikize.
sinditha kukuvulazani, chifukwa zimatha kuwononga gasket.
LORD -TORDING : zimachitika pamene ulusi sugwirizana. Nthawi zonse muziyambira ndi dzanja kuti mupewe.
l Kugawana : kulumikizana kwachitsulo kumatha kuyambitsa izi. Gwiritsani ntchito mafuta kuti mupewe.
l Mokweza : Kutha kuwononga ulusi. Tsatirani malangizo okakamiza a stubration a torquence.
l Kutulutsa : Ngati kutaya kumachitika, yang'anani kwa kuzungulira ndikuwonetsetsa kuti zingwe zoyenera.
l Kuyendera pafupipafupi : Onani zizindikiro za kuvala, kutukira, kapena kuwonongeka.
l kuyeretsa : Sungani ulusi woyera. Dothi limatha kutayikira.
Kubwereza kwa Sealant : Popita nthawi, zosindikiza zimatha kunyoza. Pezaninso zofunikira.
l moyenera kusungidwa : Sungani zofunikira pa malo owuma, oyera.
Kumbukirani :
LPT pakati ndi ulusi wa NPTF Pangani Chisindikizo ndi Zosokoneza Zoyenera pa ulusi ndi mizu.
l BSPt ulusi womata ndi ulusi wokha, wokhala ndi 60 ° Flank Flulle akuthandizira pakukonzekera bwino.
l nsmm ulusi umadalira kulumikizana kwamakina , nthawi zambiri imalemedwa ndi gasket kapena mphete ya o.
Pankhani ya ulusi , uli ngati chithunzi. Chidutswa chilichonse chimakwanira mwanjira inayake. Nspm (National Pinda Mosakhalitsa) ulusi wowongoka ndi wowongoka ndikupangidwira mafupa oyenera. NPT ) imapendekera ndikupanga chidindo cholimba polimbana ndi nkhungu Facred Pipe ( National . BSPT (Britain Standard Fape) ulusi, mbali inayo, imagwiritsidwa ntchito popanga zisindikizo zolimba pokakamizidwa ndikukhala ndi makona a 55 °
Tsopano, kodi mungawasakanize? Osati kwenikweni. Kusinthanitsa si masewera omwe mukufuna kusewera ndi ulusi. Kugwiritsa ntchito NPT ndi NPTF nthawi zina kumatha kugwira ntchito, koma sikutsimikiziridwa kukhala kulumikizana kwaulere . Ndipo BSPT ? Ndi nkhani yosiyana kwambiri chifukwa cha ulusi wake wapadera ndi phula. Zolakwika kwambiri? Kungoganiza kuti onse ali pamodzi. Nthawi zonse muziyang'ana miyezo, monga ANSI / ASME B1.20.1 kwa zpt, kupewa kutaya kapena kuwonongeka.
Ndiye, mumasankha bwanji yoyenera? Ganizirani ntchitoyo. Pakusamutsa madzi ndi mpweya , chisindikizo chopanda malire ndicho fungulo. Ngati mukugwira ntchito mokakamiza , BSPT ikhoza kukhala njira yopita. Zofunsira zomwe zimafunikira chisindikizo chamakina popanda chosindikizira, NPTF ndi bwenzi lanu. Ndipo pamakina olumikizana omwe amatha kutengedwa mosavuta, NSPM ikhoza kukhala chisankho chabwino kwambiri.
L Kodi chosindikizira chabwino ndi chiani?
Tepi ya PTF (Teflon) nthawi zambiri imagwiritsidwa ntchito ndi ulusi wa zpt kuti muthandizire chidindo.
Kodi ndiyenera kuzimitsa bwanji?
Pitani mukazolowere zomwe zimachitika kuti zikhale zokwanira ulusi ndi mizu yosindikiza limodzi, koma osati zolimba kwambiri kuti muvula ulusi.
nanga bwanji mamangidwe?
Kumbukirani, NPTF ili a ndi 60 ° Barn , ndipo BSPT ili ndi makona 55 °.
nditha kugwiritsanso ntchito zonsezi?
Nthawi zina, koma penyani kuti zingwe -zakumaso zitheke ndikumatira limodzi.
ndingatani ngati itatuluka?
Yang'anani kuwonongeka kapena yesani chidindo cholumikizidwa kapena mphete ya o o-oi ku chitetezo chowonjezera.
Kumbukirani kuti kukwaniritsidwa koyenera kuli ngati kusankha chida choyenera pantchito. Zonse zili ndi tsatanetsatane. Sungani malangizowa, ndipo mudzakhala mukukaunti yanu yophunzirira ulusi woyenera kulumikizana.
Tikamalankhula za zingwe ngati NPSM , NPTF , NPT , ndipo BSPT , tikulankhula za ziwalo zomwe zimatithandiza kujowina mapaipi ndi hoses pamodzi. Zoyenerazi onetsetsani kuti madzi athu, gasi, ndi zinthu zina zimayenda kudzera pamapaipi osatulutsa. Izi ndi zomwe taphunzira:
L NTT ndi mtundu wa ulusi wambiri womwe umagwiritsidwa ntchito kwambiri ku USA. Zimapangitsa kukhala kolimba chifukwa ulusi umakhala wocheperako mbali imodzi, ngati ngati chulu.
L NPTF yomwe imadziwikanso ngati Shirseal American American Finer ili ngati NPT , , Standard .
L NSPM , kapena makina owongoka bwino , ali ndi ulusi wowongoka . Ndibwino kupanga kulumikizana kwamakina komwe kungatengere ndikuwayanja mosavuta.
L BSPT , mwachidule kwa taper ya Britain yomwe ilipo , ndi yofananira ndi zp koma ili ulusi wosiyanasiyana ndi . Ndizofala malo omwe amagwiritsa ntchito miyezo yaku Britain.
Kumbukirani kuti kupeza zoyenera kumadziwa zosintha zanu ndikusankha mtundu woyenera chifukwa cha zovuta zanu.
Dziko la ulusi woyenera limasungabe kusintha. Izi ndi zomwe zili pamwamba:
Kukonzekera kwabwino . Tikupeza njira zolumikizirana ndi zolimba osafunikira popanda zosowa zowonjezera kapena mphete za o.
L Zinthu za ndikuyenda bwino. Izi zikutanthauza kuti ma lotion amatha kuthana ndi mavuto ambiri komanso kufika nthawi yayitali.
Akatswiri amati nthawi zonse amatsatira malingaliro a makampani , monga kugwiritsa ntchito ANSI / ASME B1.20.1 kwa ntpt kapena iso 7 ya BSPT, kuti atsimikizire kuti zonsezi zikufanana.
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