NGĀ TAWHITO HUA
| Ingoa Hua | Pito o te kakau |
| Rahi | 1/2"-24" he tui kore, 26"-60" he mea whakarewa |
| Paerewa | ANSI B16.9, MSS SP 43, EN1092-1, kua whakaritea, me ētahi atu. |
| Te matotoru o te pakitara | SCH5S, SCH10, SCH10S, STD,XS, SCH40S, SCH80S, SCH20, SCH30, SCH40, SCH60, SCH80, SCH160, XXS, kua whakaritea, me ētahi atu. |
| Momo | Roa, poto hoki |
| Mutunga | Pito whakarara/BE/whakapiripiri |
| Mata | kua whakapūkara, kua hurihia te onepu |
| Rauemi | Kowiri tira:A403 WP304/304L, A403 WP316/316L, A403 WP321, A403 WP310S, A403 WP347H, A403 WP316Ti, A403 WP317, 904L,1.4301,1.4307,1.4401,1.4571,1.4541, 254Mo me ētahi atu. |
| Kowiri tira takirua:UNS31803, SAF2205, UNS32205, UNS31500, UNS32750, UNS32760, 1.4462,1.4410,1.4501 me ētahi atu. | |
| Koranu nikara:inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H, C22, C-276, Monel400, Alloy20 me ētahi atu. | |
| Tono | Ahumahi hinu; ahumahi rererangi me te aerospace; ahumahi rongoā, putanga hau; tipu hiko; hanga kaipuke; maimoatanga wai, me ētahi atu |
| Ngā Painga | taonga kua rite, wā tuku tere ake; e wātea ana i ngā rahi katoa, kua whakaritea; kounga teitei |
NGĀ MUTUNGA TAUIRA POTO/ROA (ASA/MSS)
E rua ngā tauira e wātea ana mō ngā pito o te kāpeti:
- ko ngā pito o te tauira poto, e kiia nei ko te MSS-A stub
- te tauira roa, e kiia nei ko ngā pito porotaka ASA-A (te pito porotaka roa ANSI rānei)
NGĀ MOMO PITO O TE TŪPŪ
E toru ngā momo o ngā pito porotaka, arā, ko "Momo A", "Momo B" me "Momo C":
- Ko te momo tuatahi (A) ka hangaia, ka mīhinihia kia rite ki te hononga tautoko paerewa (me whakamahi ngātahi ngā hua e rua). He rite tonu te āhua o ngā mata hono kia maeneene ai te uta o te mata mura.
- Me whakamahi ngā pito porotaka momo B me ngā flange paheke paerewa.
- Ka taea te whakamahi i ngā pito o te momo C me ngā hononga piko, me ngā hononga pahekeheke rānei, ā, he mea hanga mai i ngā paipa.
NGĀ PAINGA O NGĀ PITO WHAKAPŪPŪ O TE RĀKAU
Me mārama hoki kei te piki haere te rongonui o ngā pito porowhita i roto i ngā tono pēhanga teitei (engari i mua i whakamahia mō ngā tono pēhanga iti anake).
NGĀ WHAREATA TAIPITOPITO
1. Pito whakarara e ai ki te ANSI B16.25.
2. Kāore he whakakikoruatanga me ngā kapiti
3. Kāore he whakatikatika whakarewa
4. Ka taea te whakamaroke i te mata mā te whakamahi i te mīhini CNC. He rerekē te utu. Hei tohutoro māu, he iti ake te utu o te mata kua whakamarokehia.
TE TOHU
Ka taea te mahi tohu i ngā momo mahi e hiahiatia ana e koe. Ka whakaaetia e mātou te tohu i tō waitohu.
TE TIROTIRO
1. Ngā inenga āhua, kei roto katoa i te paerewa e whakaaetia ana.
2. Te ātete matotoru: +/- 12.5% , i runga rānei i tāu tono
3. PMI
4. Whakamātautau PT, UT, hihi-X
5. Whakaaetia te tirotiro a te rōpū tuatoru
6. Tukuna te tiwhikete MTC, EN10204 3.1/3.2, NACE
TE TĀKAI ME TE TUKU
1. I tākaihia e te pouaka rakau, e te papa rakau rānei e ai ki
2. ka whakatakotoria e mātou he rārangi tākai ki ia mōkihi
3. Ka tāpirihia e mātou he tohu tuku ki ia kete. Kei runga i tāu tono ngā kupu tohu.
4. Kāore he whakapūngao i roto i ngā rauemi rakau katoa
E rua ngā tauira e wātea ana mō ngā pito o te kāpeti:
- ko ngā pito o te tauira poto, e kiia nei ko te MSS-A stub
- te tauira roa, e kiia nei ko ngā pito porotaka ASA-A (te pito porotaka roa ANSI rānei)
E toru ngā momo o ngā pito porotaka, arā, ko "Momo A", "Momo B" me "Momo C":
- Ko te momo tuatahi (A) ka hangaia, ka mīhinihia kia rite ki te hononga tautoko paerewa (me whakamahi ngātahi ngā hua e rua). He rite tonu te āhua o ngā mata hono kia maeneene ai te uta o te mata mura.
- Me whakamahi ngā pito porotaka momo B me ngā flange paheke paerewa.
- Ka taea te whakamahi i ngā pito o te momo C me ngā hononga piko, me ngā hononga pahekeheke rānei, ā, he mea hanga mai i ngā paipa.
1. Whakaitihia te utu whānui o te hononga flanged
I te nuinga o te wā, he iti iho te kounga o te hononga hope i te rauemi o te pito kūpapa me te paipa, ā, ka whakaitihia te taumaha katoa o te rauemi kounga teitei e whakamahia ana mō te hononga hope.
Tauira:
Mō te paipa SS316, hei utu mō te whakamahi i tētahi flange kaki whakarewa 316 katoa, mā te whakakotahitanga o tētahi pito kūpapa SS316 me tētahi flange hononga maitai waro ka rite tonu te mahi, engari ka iti ake te taumaha katoa o te rauemi SS316, me te utu anō hoki.
Ko te tikanga, mā ngā pito porotaka ka taea te whakaiti i te taumaha o ngā rauemi kounga teitei i roto i ngā paipa kowiri tira, takirua, me te nikara, ka penapena i ngā utu. Ko te tikanga, ko te nui ake o te diameter me te karaehe o ngā flanges, ko te nui ake o te penapena!
2. Ka āwhina i te tāutanga o te flange
Ka taea te huri i te hononga whakamuri i runga i te paipa, kia māmā ake ai te whakarite i ngā kōhao pūtu o ngā hononga hono.
Me mārama hoki kei te piki haere te rongonui o ngā pito porowhita i roto i ngā tono pēhanga teitei (engari i mua i whakamahia mō ngā tono pēhanga iti anake).
Ngā whakaahua taipitopito
1. Pito whakarara e ai ki te ANSI B16.25.
2. Kāore he whakakikoruatanga me ngā kapiti
3. Kāore he whakatikatika whakarewa
4. Ka taea te whakamaroke i te mata mā te whakamahi i te mīhini CNC. He rerekē te utu. Hei tohutoro māu, he iti ake te utu o te mata kua whakamarokehia.
Ka taea te tono i ngā pito porotaka me ngā whakaotinga pito rerekē:
- Ngā Pito Whakapiko
- Ngā Pito Tapawhā
- Ngā Pito Whakarara
- Ngā Pito Āwhata
- Ngā Pito Miro (Mō te Tāne Anake)
1. Waro maitai: A234 WPB Tau B
2. Kowiri tira: 304/304L, 304H, 316/316L, 316H, 317L, 904L, 309S/H, 310S, 321, 6XN, 20CB, 347, 254SMO
3.Tuarua /Super Matarua:2205,Zeron 100,2507,410
4.Nikora Koranu:HC22,HB-3,HG3,HX,HC2000,HC276,NCI,NC,N,NL,NCMC,NICMC,NIC10,NIC11
Te Tohu
Ka taea te mahi tohu i ngā momo mahi e hiahiatia ana e koe. Ka whakaaetia e mātou te tohu i tō waitohu.
Tirotiro
1. Ngā inenga āhua, kei roto katoa i te paerewa e whakaaetia ana.
2. Te ātete matotoru: +/- 12.5% , i runga rānei i tāu tono
3. PMI
4. Whakamātautau PT, UT, hihi-X
5. Whakaaetia te tirotiro a te rōpū tuatoru
6. Tukuna te tiwhikete MTC, EN10204 3.1/3.2, NACE
Tākai me te Tukunga
1. I tākaihia e te pouaka rakau, e te papa rakau rānei e ai ki
2. ka whakatakotoria e mātou he rārangi tākai ki ia mōkihi
3. Ka tāpirihia e mātou he tohu tuku ki ia kete. Kei runga i tāu tono ngā kupu tohu.
4. Kāore he whakapūngao i roto i ngā rauemi rakau katoa
He mea nui ngā hononga paipa i roto i te pūnaha paipa, e whakamahia ana mō te hononga, te huri i te taha, te huri i te taha, te whakarerekē i te rahi, te hiri, te whakahaere rānei i te rere o ngā wai. He whānuitia te whakamahinga o ēnei i roto i ngā mara pēnei i te hanga, te ahumahi, te pūngao me ngā ratonga ā-tāone.
Ngā Mahi Matua:Ka taea e ia te mahi i ngā mahi pēnei i te hono i ngā paipa, te whakarerekē i te ahunga rere, te wehewehe me te whakakotahi i ngā rere, te whakarerekē i te diameter o ngā paipa, te hiri i ngā paipa, te whakahaere me te whakatikatika.
Whānuitanga o te tono:
- Te tuku wai me te rerenga wai o te whare:E whakamahia ana ngā tuke PVC me ngā tuke PPR mō ngā whatunga paipa wai.
- Ngā paipa ahumahi:E whakamahia ana ngā flange kowiri tira me ngā tuke koranu hei kawe i ngā pāpāho matū.
- Te kawe pūngao:E whakamahia ana ngā paipa maitai pēhanga teitei i roto i ngā paipa hinu me te hau.
- HVAC (Whakamahana, Whakahauora, me te Āhuarangi):E whakamahia ana ngā hononga paipa parahi hei hono i ngā paipa whakamatao, ā, e whakamahia ana ngā hononga ngāwari hei whakaiti i te wiri.
- Te whakamakuku ahuwhenua:Mā ngā hononga tere ka taea te huihui me te wetewete i ngā pūnaha whakamakuku pīni.
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