Yuyao ruihua ekkolero ly'ebikozesebwa .
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Views: 905 Omuwandiisi: Omuwandiisi w'omukutu Publish Time: 2024-01-10 Ensibuko: Ekibanja
Mu kunoonyereza kwange ku fittings z’amakolero ne adapters, nfunye ekintu ekinyuvu ddala: SAE ne NPT threads. Balowooze nga emmunyeenye eziri emabega w’empenda mu byuma byaffe. Ziyinza okulabika ng’ezifaanagana ku kusooka, naye mu butuufu za njawulo nnyo mu ngeri gye zikolebwamu, engeri gye zikolamu, n’engeri gye zisiba ebintu. Ndi musanyufu nnyo okubaganya nammwe bye njize ku threads zino. Ka tuyingire mu dive era tufune ekibayawulamu n’ensonga lwaki buli kimu kikulu okufuula ebyuma byaffe okukola obulungi n’okuwangaala.
SAE threads are precision threads ezikozesebwa ennyo mu by’emmotoka n’amazzi. Emiguwa gino gigoberera emitendera egyateekebwawo ekibiina kya bayinginiya b’emmotoka (SAE). Waliwo ebika by’obuwuzi bwa SAE obw’enjawulo, naye ekisinga okubeerawo ye thread o-ring boss (orb). Ekika kino kirimu obuwuzi obugolokofu ne O-ring eyakolebwa okukola seal. Omutindo gwa SAE J514 tube fittings gulaga ebikwata ku wuzi zino.
Ebifaananyi by’obuwuzi bwa SAE mulimu:
l Diameters ezifaanagana ku sayizi za boluti ezenjawulo .
l dizayini engolokofu esobozesa okukozesa O-ring .
l Okukwatagana n’omutindo gwa SAE J518 ogw’ebintu ebikozesebwa mu kukola flankisi .
Mu mazzi, obuwuzi bwa SAE bukulu nnyo. Bakakasa okuyungibwa okutaliimu kukulukuta mu nkola za puleesa enkulu. O-ring boss fittings zikwatagana nnyo kubanga zisobola okukwata amazzi amangi aga hydraulic nga tegavuddemu. Ekiyungo kya SAE ekisajja n’ekiyungo ky’ekikazi kya SAE bikulu nnyo mu kugatta ebikozesebwa bya SAE okukola enkola ennywevu.
Okusaba mulimu:
l Pumps ezikola amazzi .
L Valiva .
l Siliinda .
Emiguwa gino gikuuma bulungi enkola nga giziyiza okukulukuta kw’amazzi, ekintu ekikulu ennyo mu by’okwerinda n’okukola obulungi.
Okuzuula obunene bw’obuwuzi bwa SAE kyangu. Buli wuzi elagirwa ennamba ya daasi (okugeza, -4, -6, -8) ekwatagana n’obunene bw’obuwuzi mu bitundu kkumi na mukaaga ebya yinsi. Okugeza, obunene bw’obuwuzi bwa -8 kitegeeza nti obuwanvu bw’obuwuzi buba yinsi 8/16 oba 1/2.
Okuzuula obuwuzi bwa SAE:
1. Pima dayamita ey’ebweru ey’obuwuzi bw’ekisajja oba dayamita ey’omunda ey’oluwuzi olukazi.
2. Bala omuwendo gw’obuwuzi buli yinsi (TPI).
Omutindo gwa SAE J518, wamu n’omutindo gw’ensi yonna nga DIN 20066, ISO/DIS 6162, ne JIS B 8363, guwa obulagirizi obujjuvu ku sayizi z’obuwuzi bwa SAE era nga mulimu ebikwata ku bipimo bya flange clamp ne sayizi za bolt ezisaanidde.
Mu bufunze, obuwuzi bwa SAE bukulu nnyo mu nkola z’amazzi, okukakasa okusiba okwesigika era okulungi. Sayizi zaabwe n’ebika byabwe ebituufu, gamba nga thread O-ring boss, bibafuula go-to choice eri abakugu mu mulimu guno. Okutegeera obuwuzi buno kyetaagisa nnyo eri omuntu yenna akola ku bikozesebwa mu mazzi ne adapters.
Bwe twogera ku SAE thread charts, tuba twogera ku nkola egabanya obunene n’ebipimo by’obuwuzi obukozesebwa mu kuyungako payipu z’amazzi n’ebintu ebikozesebwa. Ekika ky’obuwuzi bwa SAE kintu kikulu nnyo mu kukakasa okuyungibwa okunywevu era okutaliimu kukulukuta mu nkola z’amazzi. Okwawukana ku NPT thread oba national pipe tapered threads, ezirina design eriko tapered, SAE threads zitera okugolokofu era nga zeetaaga O-ring okuteekawo ekiziyiza ekiziyiza amazzi.
Ggwe akola ne SAE male connector ne SAE female connector parts, kikulu nnyo okutegeera ebikwata ku byo. Ekiyungo kya SAE ekisajja kitera okuba n’obuwuzi obw’ebweru, ate ekiyungo kya SAE ekikazi kijja n’obuwuzi obw’omunda, obukoleddwa okuyunga obulungi buli kimu ku kirala. Bw’oba oyungako SAE fittings, kikulu okukwatagana obulungi n’ebitundu by’ekisajja n’abakazi okuziyiza okukulukuta n’okukakasa okukola obulungi.
l SAE ekiyungo kya male : Owuzi ow’ebweru, akozesebwa ne O-ring boss ne flange clamp systems.
l SAE female connector : thread ey’omunda, ekwatagana n’ebiyungo ebisajja era nga yakolebwa okusobola okukola obulungi.
SAE 45° Flare thread kika kya fitting ekigere ekikozesebwa mu nkola ez’enjawulo ez’amazzi. Ebipimo byakyo biba bituufu okukakasa nti bikwatagana era nga byesigika. Enkoona ya flare eya diguli 45 nsonga nkulu nnyo kuba esobozesa okusiba ekyuma okutuuka ku kyuma, ng’ennyindo y’ekisajja eky’okunyiga ekisajja kizinyigiriza ku bbaafu eyakaayakana ey’ekisaawe ky’omukazi. Dizayini eno emalawo obwetaavu bw’enkola endala ez’okusiba nga PTFE (polytetrafluoroethylene) tape oba ebirungo ebisiba.
l Sayizi z’obuuma : ezituukiridde okukozesebwa ne SAE J518 , DIN 20066 , ISO/DIS 6162 , ne JIS B 8363.
L O RING : Ekyetaagisa okukola seal nga olina obuwuzi obugolokofu O-ring boss fittings.
SAE 45° Flare – SAE J512 Ebipimo by’obuwuzi .
thread y'omusajja od & pitch . |
Dash Size . |
thread y'omusajja od . |
ID y'obuwuzi omukazi . |
Tube size . |
||
yinsi – TPI . |
mm . |
yinsi . |
mm . |
yinsi . |
yinsi . |
|
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 Inverted Flare – SAE J512 Ebipimo by’obuwuzi .
thread y'omusajja od & pitch . |
Dash Size . |
thread y'omusajja od . |
ID y'obuwuzi omukazi .
|
Tube size . |
||
yinsi – TPI . |
mm . |
yinsi . |
mm . |
yinsi . |
yinsi . |
|
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 pilot ekisajja ekisajja swivel threads ebipimo .
thread y'omusajja od & pitch . |
Dash Size . |
thread y'omusajja od . |
ID y'obuwuzi omukazi . |
Tube size . |
||
yinsi – TPI . |
mm . |
yinsi . |
mm . |
yinsi . |
yinsi . |
|
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 |
Pilot Enkazi Swivel Threads Ebipimo .
thread y'omusajja od & pitch . |
Dash Size . |
thread y'omusajja od . |
ID y'obuwuzi omukazi . |
Tube size . |
||
yinsi – TPI . |
mm . |
yinsi . |
mm . |
yinsi . |
yinsi . |
|
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 |
NPT threads, oba National Pipe Tapered Threads, kika kya screw thread etera okukozesebwa okusiba ebiyungo bya payipu. Dizayini eno ekakasa okuyungibwa okutaliimu kukulukuta olw’engeri gye kinywezebwamu, ekinywezebwa nga fitting eyungibwa mu payipu. Taper ekola seal nga esika obuwuzi wamu, etera okunywezebwa n’okusiiga PTFE tape oba ekirungo ekiziyiza okujjuza ebituli byonna.
Bw’oba okolagana n’obuwuzi bwa NPT, ebipimo ebituufu bikulu nnyo. Wano waliwo ekipande ky'ebipimo by'obuwuzi bwa NPT ennyangu:
NPT thread size & pitch . |
Dash Size . |
obuwuzi bw'omusajja obutono od . |
ID y'obuwuzi omukazi . |
|||
yinsi – TPI . |
mm . |
yinsi . |
mm . |
yinsi . |
||
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 – 11.1/2019. |
-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 threads zikulu nnyo mu bifo eby’enjawulo eby’amakolero. Zitera okusangibwa mu nkola ezikwata amazzi g’amazzi nga kyetaagisa ekisiba ekinywevu, ekiziyiza puleesa. NPT adapters zikozesebwa okuyunga hoosi ne payipu eza sayizi ez’enjawulo oba okukyusa okuva ku bika by’obuwuzi ebirala, nga ekika kya SAE thread, okudda ku NPT. Nga tuyunga SAE fittings, eziyinza okukozesa enkola ya thread O-ring Boss, adapters zikakasa okukwatagana n’ebitundu bya NPT-threaded.
Okuzuula thread ya NPT, ojja kwetaaga okumanya byombi dayamita ey’ebweru n’omuwendo gwa threads buli yinsi. Laba wano ekitabo eky'amangu:
1. Pima dayamita ey’ebweru ey’obuwuzi bw’ekisajja oba dayamita ey’omunda ey’oluwuzi olukazi.
2. Bala omuwendo gw’obuwuzi okutuuka ku ntikko mu span ya yinsi emu okuzuula TPI.
3. Geraageranya ebipimo bino n’ekipande kya NPT eky’omutindo okuzuula obunene bwa NPT obukwatagana.
Kikulu okumanya nti obuwuzi bwa NPT bwetaaga okukwatagana obulungi okusobola okutuuka ku fit ennywevu. Kino kitegeeza nti obuwuzi obusajja n’enkazi bulina okusinda wamu ekimala okuziyiza okukulukuta, naye nga si kunywezebwa nnyo nga okuleeta okwonooneka.
Nga twekenneenya ekika kya SAE thread ne NPT thread, enjawulo enkulu yeeyolekera mu dizayini zaabwe. SAE threads, specifically straight thread O-ring boss, zimanyiddwa olw’omusono gwazo ogw’obuwuzi obugolokofu. Dizayini eno esobozesa dayamita ekwatagana mu buwanvu bwonna obw’obuwuzi. Okwawukana ku ekyo, National Pipe Tapered Threads (NPT) ziraga ekifaananyi ekifuuse ekiwujjo (tapered profile), nga zifunda nga bwe zigenda mu maaso ku kisenge ky’obuwuzi.
l SAE : obuwuzi obugolokofu, diameter eya kimu.
l NPT : threads eziteekeddwako taper, diameter ekendeera ku thread.
Okusiba obulungi kikulu nnyo mu kuziyiza okukulukuta. Ekiyungo kya SAE male ne SAE female connector bitera okukozesa O-ring okukola seal. O-ring eno etuula mu groove n’enyiga nga enywezeddwa, n’ekola ekiziyiza ku bikulukuta. Mu kiseera kino, dizayini ya NPT eriko tapered yeetaaga enkola ey’enjawulo. Taper esobozesa obuwuzi okukwata obulungi nga bwe buziyizibwa, ne kikola ekiyungo ekiziyiza amazzi. Okusobola okutumbula ekikolwa kino, ttaapu ya PTFE (polytetrafluoroethylene) oba ekirungo ekiziyiza okuziba (senseant compound) kitera okusiigibwa ku wuzi za NPT.
L SAE : Ekozesa O-ring okusiba.
l NPT : yeesigamye ku dizayini eriko enkokola n’ebiziyiza ebirala okusobola okuyungibwa okutaliimu kukulukuta ..
Okulonda wakati wa SAE ne NPT fittings kutera okusinziira ku nkola entongole n’omutindo gw’amakolero. SAE J514 tube fittings zikozesebwa nnyo mu nkola z’amazzi olw’enkola zazo ennywevu ez’okusiba n’obusobozi bw’okugumira puleesa enkulu. Zikoleddwa okutuukana n’omutindo nga SAE J518, DIN 20066, ISO/DIS 6162, ne JIS B 8363. Ebikozesebwa bino birungi nnyo okukola omukutu ogwesigika nga baddukanya amazzi g’amazzi.
Ate ebikozesebwa bya NPT bitera okusangibwa mu nkola ya plumbing n’enkola y’empewo okutwalira awamu. Omutindo gwa payipu ogw’omutindo gw’eggwanga ogwa Amerika (ANSI/ASME B1.20.1) gwe mutindo ogwa bulijjo ku wuzi zino eziriko enkokola. NPT adapters zisaanira okukozesebwa nga thread engolokofu tekyetaagisa oba nga okukozesa O-ring tekisoboka.
l SAE : Esinga kusinga kukozesa nkola za mazzi eza puleesa enkulu.
l NPT : Etera okubeera mu kukozesa payipu n’okukozesa puleesa eya wansi.
Nga oyungako SAE fittings, precision kye kisumuluzo. Tandika ng’olonda ekiyungo kya SAE ekisajja ekituufu oba ekiyungo ky’omukazi SAE. Kakasa nti okwatagana n’omutindo nga SAE J518, DIN 20066, oba ISO/DIS 6162. Okusobola okukwatagana obulungi, kozesa O-ring ne flange clamp. Align bolt sizes ne specifications okwewala okuggyako obuwuzi.
NPT thread connections, ezifugibwa ANSI/ASME B1.20.1, zeetaaga enkola ey’enjawulo. Siiga ttaapu ya PTFE oba ekirungo ekisiba ekisaanira ku MPT okukakasa nti kiziyiza ekiziyiza amazzi olw’engeri gye kikoleddwamu nga kifuuse ekiwujjo. Weewale okunywezebwa ennyo; Kiyinza okuleeta enjatika oba okufuula obuwuzi.
Okukebera buli kiseera kikulu nnyo mu nkola z’amazzi. Noonya obubonero bw’okwambala ku SAE J514 tube fittings ne NPT adapters. Singa ebikulukuta bibaawo, kebera bboosi wa O-ring n’odda mu kifo ky’okwonooneka. Ku nsonga za NPT thread, kebera oba PTFE tape yeetaaga okuddamu okukozesebwa. Bulijjo beera n’ekintu ekiddaabiriza ekintu nga kiriko empeta za O-rings, ekirungo ekiziyiza okuzimba, ne PTFE tape.
Okusobola okukuuma obulungi enkola, goberera emitendera gino:
1. Kozesa amazzi amatuufu ag’amazzi.
2. Tegeka okwekebejja buli kiseera ku nkolagana zonna.
3. Kikyuseemu ebitundu ebyambala amangu ddala.
4. Kuuma payipu eziriko obuwuzi n’ebintu ebikozesebwa mu payipu nga biyonjo okuva mu bifunfugu.
5. Londoola enkyukakyuka mu nkola y’enkola.
Bw’onywerera ku ndagiriro zino, osobola okukakasa nti waliwo okuyungibwa okutaliimu kukulukuta n’okuwangaaza obulamu bw’enkola yo ey’amazzi. Jjukira, ekika kya SAE thread ekituufu oba NPT thread choice esobola okuleeta enjawulo yonna mu kutondawo seals ezikola obulungi, eziwangaala.
Tunoonyezza nuances za SAE ne NPT threads. Okuddamu okukubaganya ebirowoozo, obuwuzi bwa SAE bukoleddwa ku nkola z’amazzi, nga zirimu obuwuzi obugolokofu nga buliko O-ring okusiba. Ekiyungo kya SAE male ne SAE female connector bikola emirimu emikulu mu kulaba nga kiyungibwa ekitaliimu kukulukuta. Ku luuyi olulala, obuwuzi bwa NPT, oba obuwuzi bwa payipu obw’eggwanga obuliko ebiwujjo, balina dizayini eriko enkokola ekola ekiziyiza okuyita mu kunyiga, etera okunywezebwa ne PTFE tape oba sealant compound.
Okutegeera enjawulo kikulu nnyo. Ebika by’obuwuzi bwa SAE, nga thread thread O-ring boss esangibwa mu SAE J514 tube fittings, byesigamye ku O-ring okukola seal seal. Okwawukana ku ekyo, obuwuzi bwa NPT, obukwatagana ne ANSI/ASME B1.20.1, bukola ekisiba nga kiyita mu kutaataaganyizibwa wakati w’obuwuzi.
Okulonda ekika ky'obuwuzi obutuufu tekiyinza kuyitirira. Obutakwatagana buyinza okuvaako okukulukuta, enkola ezikoseddwa, n’okwongera okuyimirira. Okugeza, bw’oba oyungako ebikozesebwa bya SAE ku nkola y’amazzi, kakasa nti okwatagana n’omutindo nga SAE J518, DIN 20066, ISO/DIS 6162, oba JIS B 8363. Emitendera gino gyogera ku bipimo, omuli obunene bwa bolt n’ebyetaago bya flange clamp, okukakasa nti binywevu era nga bisaanidde.
Mu ttwale ly’ebintu ebikozesebwa mu mazzi, ekika kya SAE thread kitera okukwatagana n’okuyungibwa kwa O-ring Boss, ate NPT thread ya bulijjo mu nkola za plumbing eza bulijjo. Bw’oba okozesa NPT adapters mu nkola ekoleddwa ku mutindo gwa SAE, beera n’ebirowoozo ku nkola ez’enjawulo ez’okusiba. O-ring egaba okuyungibwa okutambula obutayingiramu mazzi mu nkola za SAE, so nga dizayini ya NPT eriko enzirugavu yeetaaga okukwatagana n’obuwuzi n’obwegendereza okutuuka ku kuyungibwa okutaliimu kukulukuta.
Mu kumaliriza, obulungi bw’ebiyungo byo —ka bibeere nga bizingiramu payipu eziriko obuwuzi, ebikozesebwa mu payipu, oba ebikozesebwa mu mazzi —ewummudde ku kuzuula okutuufu n’okukozesa ekika kya SAE oba obuwuzi bwa NPT. Bulijjo laba emitendera gy’amakolero, ng’egyo egyogeddwako, okulungamya okulonda kwo. Jjukira nti ekika kya thread ekituufu tekikoma ku kukakasa nti kikwata bulungi wabula kikuuma obulungi n’obukuumi bw’enkola yo yonna.
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