I le taimi o laʻu suʻesuʻega o mea faʻapitoa ma mea faʻapipiʻi, ua ou maua ai se mea e sili ona manaia: SAE ma NPT filo.Mafaufau ia i latou o ni fetu i tua atu o vaaiga i a tatou masini.Atonu e foliga tutusa i le tepa muamua, ae o le mea moni e matua ese lava i latou i le auala e mamanuina ai, auala latou te galulue ai, ma le auala latou te faamaufaailogaina ai mea.Ou te matua fiafia lava e faasoa atu ia te oe mea ua ou aoaoina e uiga i nei filo.Se'i o tatou maulu ma su'esu'e po o le a le mea e tu'ufa'atasia ai ma pe aisea e taua ai mea ta'itasi mo le fa'aleleia atili ma le umi o a tatou masini.
Malamalama i le SAE Threads
Fa'amatalaga ma Ituaiga ma Uiga o filo SAE
O filo SAE o filo faʻaoga saʻo e faʻaaogaina tele i totonu o fale taʻavale ma masini eletise.O nei filo e mulimulitaʻia tulaga faʻatulagaina e le Sosaiete o Inisinia Taavale (SAE).E tele ituaiga o filo SAE, ae sili ona taatele o le Straight Thread O-Ring Boss (ORB).O lenei ituaiga o loʻo faʻaalia ai se filo saʻo ma se O-mama ua mamanuina e fai ai se faʻamaufaʻailoga.O le SAE J514 tube fittings standard o loʻo faʻamatalaina ai faʻamatalaga mo nei filo.
O uiga o filo SAE e aofia ai:
l Tulaga tutusa lautele mo fa'apitoa lapo'a
l O se mamanu saʻo e mafai ai ona faʻaogaina se O-mama
l Faʻatasi ma le tulaga SAE J518 mo faʻapipiʻi flange
Talosaga ma Fa'atatau ile Hydraulics
I hydraulics, o filo SAE e taua tele.Latou te faʻamautinoaina se fesoʻotaʻiga e leai se liki i faiga faʻamalosi maualuga.O mea faʻapipiʻi O-Ring Boss e faʻapitoa ona e mafai ona latou faʻaogaina le tele o vai faʻafefeteina e aunoa ma le tafe.O le SAE Male Connector ma le SAE Female Connector e taua tele i le Feso'ota'i SAE Fittings e fausia ai se faiga malosi.
O talosaga e aofia ai:
l Pumu eletise
l Valve
l Tu'u
O nei filo e fa'atumauina le fa'amaoni o le faiga e ala i le puipuia o le tafe mai o le vai, lea e taua tele mo le saogalemu ma le lelei.
LE tele o le filo SAE ma le fa'ailoaina
Ole fa'ailoaina ole tele ole filo SAE e faigofie.O filo ta'itasi e fa'asinoina i se numera vase (fa'ata'ita'iga, -4, -6, -8) e fetaui ma le tele o filo i le sefuluono o le inisi.Mo se faʻataʻitaʻiga, o le -8 filo lapoʻa o lona uiga o le filo filo e 8/16 poʻo le 1/2 inisi.
Ina ia iloa filo SAE:
1. Fua le lautele pito i fafo o le filo tane poʻo le totonu ole filo fafine.
2. Faitau le numera o filo ile inisi (TPI).
Ole tulaga SAE J518, fa'atasi ai ma tulaga fa'ava-o-malo e pei ole DIN 20066, ISO/DIS 6162, ma le JIS B 8363, o lo'o tu'uina mai ai se ta'iala atoatoa mo le SAE Thread Sizes ma e aofia ai fa'amatalaga e pei o fuga fa'amau fa'amau ma lapo'a talafeagai.
I se aotelega, o filo SAE e faʻapitoa i masini eletise, faʻamautinoaina se faʻamaufaʻailoga faʻalagolago ma lelei.O latou lapopoa ma ituaiga, e pei o le Straight Thread O-Ring Boss, e avea ai i latou ma se filifiliga e alu i tagata tomai faapitoa i le alamanuia.O le malamalama i nei filo e taua mo soʻo se tasi e feagai ma mea faʻapipiʻi ma mea faʻapipiʻi.
Taiala au'ili'ili ile lapopoa ole filo SAE ma fa'amatalaga
Va'aiga lautele o le SAE Thread Charts ma Fua
A matou talanoa e uiga i siata filo a le SAE, matou te faʻatatau i se faiga e faʻavasegaina le tele ma fua o filo faʻaaogaina i le faʻaogaina o paipa hydraulic ma mea faʻapipiʻi.O le SAE Thread Type o se elemene taua i le faʻamautinoaina o se fesoʻotaʻiga saogalemu ma le leak-leak i totonu o masini eletise.E le pei o filo NPT po'o filo Fa'afilifili a le Atunu'u, o lo'o i ai se mamanu fa'apipi'i, o filo SAE e masani ona sa'o ma mana'omia se O-mama e fa'amau ai se fa'amaufa'ailoga vai.
SAE Male ma Fafine Feso'ota'iga Fa'amatalaga
Mo outou o lo'o galulue fa'atasi ma vaega SAE Male Connector ma SAE Female Connector, e taua tele le malamalama ia latou fa'amatalaga.O le SAE Male Connector e masani lava ona i ai se filo i fafo, ae o le SAE Female Connector e sau ma se filo i totonu, ua mamanuina e faʻafesoʻotaʻi le tasi i le isi.Pe a fa'afeso'ota'i mea fa'apipi'i SAE, e taua le fa'afetaui lelei o vaega tane ma fafine ina ia puipuia ai le gase ma fa'amautinoa lelei le fa'atinoga.
l SAE Male Connector : filo i fafo, faʻaaogaina i le O-Ring Boss ma faiga faʻapipiʻi flange .
l SAE Fema'i Feso'ota'i : filo i totonu, fetaui ma tama so'otaga ma fa'atulagaina e fa'atupu ai se fetaui lelei.
Su'esu'ega loloto o le SAE 45° Fua o filo mumu
O le SAE 45 ° Flare Thread o se ituaiga faʻapipiʻi faʻaoga faʻaaogaina i le tele o faʻaoga eletise.O ona fua e faʻatulagaina e faʻamautinoa ai se fesoʻotaʻiga tumau ma faʻalagolago.O le 45-tikeri fa'ailo e taua tele aua e mafai ai ona fa'amaufa'ailoga u'amea-i-u'amea, fa'atasi ai ma le isu mumu o le tama'i fa'apipi'i fa'apipi'i atu i le paipa mumu o le mea fa'apipi'i fafine.O lenei mamanu e faʻaumatia ai le manaʻoga mo faʻamaufaʻailoga faʻapipiʻi e pei o le PTFE (Polytetrafluoroethylene) lipine poʻo faʻapipiʻi faʻamau.
l Fua Fa'amau : Fa'asalaina mo le fa'aoga ma le SAE J518 , DIN 20066 , ISO/DIS 6162 , ma le JIS B 8363.
l O Mama : Taua mo le fatuina o se faʻamaufaʻailoga faʻatasi ma mea faʻapipiʻi O-Ring Boss .
SAE 45 ° Mumu - SAE J512 Fua filo
MALE FILE OD & PITCH | VAEGA FAI | MALE FILE OD | ID FILE FA'ITA'E | TELE FA'AVAU |
inisi - TPI |
| mm | inisi | mm | inisi | inisi |
5/16 – 24 | -05 | 7.9 | 0.31 | 6.8 | 0.27 | 1/8 |
3/8 – 24 | -06 | 9.5 | 0.38 | 8.4 | 0.33 | 3/16 |
7/16 – 20 | -07 | 11.1 | 0.44 | 9.9 | 0.39 | 1/4 |
1/2 – 20 | -08 | 12.7 | 0.50 | 11.4 | 0.44 | 5/16 |
5/8 – 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | 3/8 |
3/4 – 16 | -12 | 19.1 | 0.75 | 17.5 | 0.69 | 1/2 |
7/8 – 14 | -14 | 22.2 | 0.88 | 20.6 | 0.81 | 5/8 |
1.1/16 – 14 | -17 | 27.0 | 1.06 | 24.9 | 0.98 | 3/4 |
SAE 45º FALI'I FA'ALI'I - SAE J512 Fua Fa'amau
MALE FILE OD & PITCH | VAEGA FAI | MALE FOLIGA OD | ID FILE FA'ITA'E | TELE FA'AVAU |
inisi – TPI |
| mm | inisi | mm | inisi | inisi |
7/16 – 24 | -07 | 11.1 | 0.44 | 9.9 | 0.39 | 1/4 |
1/2 – 20 | -08 | 12.7 | 0.50 | 11.4 | 0.45 | 5/16 |
5/8 – 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | 3/8 |
11/16 – 18 | -11 | 17.5 | 0.69 | 16.0 | 0.63 | 7/16 |
SAE PILOT O RING SEALS Pailate Male Swivel filo Fua
MALE FILE OD & PITCH | VAEGA FAI | MALE FOLIGA OD | ID FILE FA'ITA'E | TELE FA'AVAU |
inisi – TPI |
| mm | inisi | mm | inisi | inisi |
5/8 – 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | -6 |
3/4 – 18 | -12 | 19.0 | 0.75 | 17.8 | 0.70 | -8 |
7/8 – 18 | -14 | 22.2 | 0.88 | 20.6 | 0.81 | -10 |
Fa'ata'ita'i Fa'ata'ita'i Fa'afafine Fa'auli filo Fua
MALE FILE OD & PITCH | VAEGA FAI | MALE FOLIGA OD | ID FILE FA'ITA'E | TELE FA'AVAU |
inisi – TPI |
| mm | inisi | mm | inisi | inisi |
5/8 – 18 | -10 | 15.9 | 0.63 | 14.2 | 0.56 | -6 |
3/4 – 16 | -12 | 19.0 | 0.75 | 17.5 | 0.69 | -8 |
3/4 – 16 | -12 | 19.0 | 0.75 | 17.5 | 0.69 | -8 |
Su'esu'eina NPT Threads
O a NPT Threads?– Ose Vaaiga Aoao
NPT filo, po'o le National Pipe Tapered threads, o se ituaiga o filo sikulima e masani ona fa'aoga mo le fa'amauina o so'oga paipa.O lenei mamanu e fa'amautinoa ai se feso'ota'iga e leai se liki ona o lona fa'ailoga fa'apipi'i, lea e fa'amauafi a'o fa'apipi'i filo i totonu o le paipa.O le taper e faia se faʻamaufaʻailoga e ala i le oomiina o filo faʻatasi, e masani ona faʻaleleia i le faʻaogaina o le PTFE lipine poʻo se faʻamaufaʻailoga e faʻatumu ai soʻo se avanoa.
Auiliiliga NPT Thread Dimensions Siata
Pe a feagai ma filo NPT, o fua saʻo e taua tele.Ole siata fa'afaigofie ole fua ole filo NPT:
NPT FA'AVA'E FA'AVAE MA FA'AVAE | VAEGA FAI | MALE FOLIGA LAITI OD | ID FILE FA'ITA'E |
inisi – TPI |
| mm | inisi | mm | inisi |
1/8 – 27 | -02 | 9.9 | 0.39 | 8.4 | 0.33 |
1/4 – 18 | -04 | 13.2 | 0.52 | 11.2 | 0.44 |
3/8 – 18 | -06 | 16.6 | 0.65 | 14.7 | 0.58 |
1/2 – 14 | -08 | 20.6 | 0.81 | 17.8 | 0.70 |
3/4 – 14 | -12 | 26.0 | 1.02 | 23.4 | 0.92 |
1 – 11.1/2 | -16 | 32.5 | 1.28 | 29.5 | 1.16 |
1.1/4 – 11.1/2 | -20 | 41.2 | 1.62 | 38.1 | 1.50 |
1.1/2 – 11.1/2 | -24 | 47.3 | 1.86 | 43.9 | 1.73 |
2 – 11.1/2 | -32 | 59.3 | 2.33 | 56.4 | 2.22 |
2.1/2 – 8 | -40 | 71.5 | 2.82 | 69.1 | 2.72 |
3 – 8 | -48 | 87.3 | 3.44 | 84.8 | 3.34 |
NPT filo i Talosaga Alamanuia
NPT filo e fa'atasi i tulaga fa'apisinisi eseese.E masani ona maua i faiga e fa'atautaia ai vai fa'asuavai lea e mana'omia ai se fa'amau fa'amaumau fa'amau.NPT adapters e fa'aoga e fa'afeso'ota'i fa'agaau ma paipa o lapopo'a eseese po'o le suiga mai isi ituaiga filo, pei o le ituaiga filo SAE, i le NPT.Pe a faʻafesoʻotaʻi mea faʻapipiʻi SAE, lea e mafai ona faʻaogaina le Straight Thread O-Ring Boss system, faʻapipiʻi faʻamautinoa le fetaui ma vaega o le NPT.
Fa'ailoaina o le NPT Thread Sizes and Standards
Ina ia iloa se filo NPT, e tatau ona e iloa uma le lautele fafo ma le numera o filo i le inisi.O se ta'iala vave lea:
1. Fua le lautele pito i fafo o le filo tane poʻo le totonu ole filo fafine.
2. Faitau le numera o pito pito i luga ole laiga ile tasi-inisi e iloa ai le TPI.
3. Fa'atusatusa nei fua ma se siata NPT masani e su'e ai le tele o le NPT.
E taua le maitauina o filo NPT e manaʻomia le faʻaogaina lelei e ausia ai se tulaga saogalemu.O lona uiga e tatau ona vili fa'atasi le filo tane ma le fafine ina ia puipuia ai le gase, ae aua le fufusi e fa'aleagaina ai.
Su'esu'ega Fa'atusatusa o le SAE vs. NPT Threads
Fuafuaina o filo: Sa'o vs. Tapered
Pe a suʻesuʻeina le SAE Thread Type ma le NPT Thread, o se eseesega taua e faʻaalia i latou mamanu.O filo a le SAE, aemaise lava le Straight Thread O-Ring Boss, o loʻo faʻaalia i la latou mamanu saʻo.O lenei mamanu e mafai ai ona tutusa le lautele i le umi o le filo.I se faʻatusatusaga, o le National Pipe Tapered Threads (NPT) o loʻo faʻaalia se faʻailoga faʻapipiʻi, faʻamaʻi aʻo latou alualu i luma i luga o le filo filo.
l SAE : O filo sa'o, tutusa le lautele.
l NPT : O filo fa'alili, fa'aitiitia le lautele i luga o le filo.
Faiga Fa'amauga: O-Ring vs. Taper and Sealants
O le fa'amaufa'ailoga fa'amaoni e taua tele i le puipuia o le gase.O le SAE Male Connector ma le SAE Female Connector e masani ona faʻaaogaina se O-Ring e fai ai se faʻamaufaʻailoga.O lenei O-Ring e nofo i totonu o se tootoo ma faʻapipiʻi pe a faʻamalosi, fai se pa puipui e teteʻe ai.I le taimi nei, o le mamanu faʻapipiʻi o filo NPT e manaʻomia ai se isi auala.O le taper e fa'ataga ai filo e fa'apipi'i fa'apipi'i atili a'o fa'avili i totonu, ma fa'atupuina ai se so'oga fa'afefe vai.Ina ia faʻaleleia lenei aʻafiaga, PTFE (Polytetrafluoroethylene) lipine poʻo se faʻamaufaʻailoga e masani ona faʻaoga i filo NPT.
l SAE : Fa'aaogaina se O-Ring mo le fa'amauina.
l NPT : Fa'alagolago i le mamanu fa'apipi'i ma fa'amaufa'ailoga fa'aopoopo mo se so'oga e leai se liki.
Tulaga Lelei: O afea e Faʻaaoga ai le SAE poʻo le NPT
Ole filifiliga ile va ole SAE ma le NPT faʻapipiʻi e masani ona faʻalagolago ile faʻaoga faʻapitoa ma tulaga faʻapisinisi.SAE J514 faʻapipiʻi faʻapipiʻi e faʻaaogaina lautele i masini eletise ona o latou faʻamaufaʻailoga malosi ma le gafatia e faʻafefe ai le mamafa.Ua mamanuina e faʻafetaui tulaga faʻapitoa e pei o le SAE J518, DIN 20066, ISO / DIS 6162, ma le JIS B 8363. O nei mea faʻapipiʻi e lelei mo le fatuina o se fesoʻotaʻiga faʻalagolago pe a faʻatautaia le suavai.
O mea faʻapipiʻi NPT, i le isi itu, e masani ona maua i palama lautele ma faiga ea.O le American National Standard Pipe Thread (ANSI/ASME B1.20.1) o se tulaga masani mo nei filo faʻapipiʻi.NPT adapters e talafeagai mo talosaga e le manaʻomia se filo saʻo poʻo le faʻaaogaina o se O-Ring e le mafai.
l SAE : E sili atu mo masini eletise maualuga.
l NPT : E masani i le palama ma le fa'aogaina o le mamafa.
Fa'ata'ita'iga sili mo le fa'apipi'iina o mea fa'apipi'i filo SAE ma NPT
Pe a faʻafesoʻotaʻi mea faʻapipiʻi SAE, e taua le saʻo.Amata ile filifilia ole SAE Male Connector po'o SAE Female Connector.Faʻamautinoa le fetaui lelei ma tulaga faʻapitoa e pei o le SAE J518, DIN 20066, poʻo le ISO/DIS 6162. Mo le faʻaogaina lelei, faʻaaoga le O-mama ma le faʻapipiʻi flange.Fa'asa'o le lapo'a o fa'amau ma fa'amatalaga e 'alofia ai le tafiesea o filo.
O fesoʻotaʻiga filo NPT, faʻatonutonu e ANSI / ASME B1.20.1, e manaʻomia se isi auala.Fa'aoga le lipine PTFE po'o se fa'amaufa'ailoga talafeagai i le MPT e fa'amautu ai se fa'amaufa'ailoga fa'afefete ona o le latou mamanu fa'apipi'i.Aloese mai le soona fufusi;e mafai ona ta'e pe fa'aleagaina filo.
Tausia ma Fa'afitauli Fa'afitauli masani
O siaki masani e taua tele mo masini eletise.Va'ai mo fa'ailoga o le ofuina ile SAE J514 fa'apipi'i fa'apipi'i ma NPT fa'apipi'i.Afai e oso mai, siaki le O-Ring Boss ma sui pe a faaleagaina.Mo fa'afitauli NPT filo, siaki pe mana'omia le toe fa'aogaina o le lipine PTFE.Ia i ai i taimi uma se pusa tausiga faʻatasi ma mama o avanoa, faʻapipiʻi faʻamau, ma le lipine PTFE.
Faʻamautinoaina le umi ma le faʻaogaina i le faʻaogaina o le eletise
Ina ia fa'atumauina le fa'amaoni o le faiga, mulimuli i laasaga nei:
1. Fa'aaogā vai su'esu'e sa'o.
2. Fa'atulaga asiasiga masani o feso'ota'iga uma.
3. Toe sui vave vaega ua masaesae.
4. Tausia paipa filo ma mea fa'aoga paipa ia mama mai otaota.
5. Mataitu mo suiga i le faatinoga o faiga.
E ala i le usitaʻia o nei taʻiala, e mafai ona e faʻamautinoa fesoʻotaʻiga e leai se liki ma faʻaumiumi le ola o lau masini eletise.Manatua, ole filifiliga sa'o SAE Thread Type po'o le NPT Thread e mafai ona faia se eseesega uma i le fatuina o fa'amaufa'ailoga lelei ma tumau.
Fa'ai'uga
Ua matou suʻesuʻeina faʻamatalaga o filo SAE ma NPT.Ina ia toe fa'afo'i, ua mamanuina filo SAE mo faiga fa'alelei, fa'aalia ai se filo sa'o ma se O-mama mo fa'amaufa'ailoga.O le SAE Male Connector ma le SAE Female Connector e taua tele i le fa'amautinoaina o se feso'ota'iga e leai se liki.I le isi itu, NPT filo, poʻo le National Pipe Tapered threads, o loʻo i ai se mamanu faʻamaufaʻailoga e fausia ai se faʻamaufaʻailoga e ala i le faʻamalosi o le fetaui, e masani ona faʻaleleia i le lipine PTFE poʻo le faʻamaufaʻailoga.
E taua tele le malamalama i eseesega.Ituaiga o filo SAE, e pei o le O-Ring Boss Straight Thread o loʻo maua i le SAE J514 faʻapipiʻi paipa, faʻalagolago i se O-mama e fai ai se faʻamaufaʻailoga malupuipuia.I se faʻatusatusaga, NPT filo, faʻatatau i le ANSI / ASME B1.20.1, faia se faʻamaufaʻailoga e ala i le faʻalavelave i le va o filo.
O le filifilia o le ituaiga filo sa'o e le mafai ona fa'asili.O le le fetaui e mafai ona o'o atu ai i le gase, fa'aletonu faiga, ma fa'ateleina le ta'otoga.Mo se faʻataʻitaʻiga, pe a faʻafesoʻotaʻi le SAE faʻapipiʻi i se masini eletise, faʻamautinoa le fetaui ma tulaga faʻapitoa e pei o le SAE J518, DIN 20066, ISO / DIS 6162, poʻo le JIS B 8363. O nei tulaga faʻataʻitaʻiga e tautala i le tele, e aofia ai le tele o paʻu ma manaʻoga faʻapipiʻi flange, faʻamautinoaina se malupuipuia ma fetaui talafeagai.
I le malo o mea faʻapipiʻi eletise, SAE Thread Type e masani ona fesoʻotaʻi ma fesoʻotaʻiga O-Ring Boss, aʻo filo NPT e taatele i faʻaoga masani o palama.Pe a fa'aogaina mea fa'apipi'i NPT i se faiga ua fa'atulagaina mo tulaga SAE, ia fa'aeteete i faiga fa'amaufa'ailoga eseese.O le O-mama e maua ai se feso'ota'iga tumau i le SAE, ae o le mamanu fa'apipi'i i faiga NPT e mana'omia ai le fa'agaoioiga o filo e maua ai se feso'ota'iga e leai se liki.
I le faaiʻuga, o le faʻamaoni o au fesoʻotaʻiga-pe e aofia ai paipa filo, mea faʻapipiʻi paipa, poʻo mea faʻapipiʻi eletise-e faʻalagolago i le faʻamaonia saʻo ma le faʻaogaina o le SAE Thread Type poʻo le NPT Thread.Va'ai i taimi uma i tulaga fa'apisinisi, pei o mea na ta'ua, e ta'ita'ia ai lau filifiliga.Manatua, o le ituaiga filo saʻo e le gata ina faʻamautinoaina se fetaui lelei ae faʻatumauina foi le lelei ma le saogalemu o lau polokalama atoa.
