Takirere Pūrerehua Momo U
Tetakirere pūrerehua momo-U takiruahe takirere pūrerehua noho pakari — e kiia ana hoki he takirere pūrerehua "pokapū", "raina rapa", "noho rapa" rānei. Kei roto he nohoanga rapa pakari kua whakamomonatia tika ki te tinana, i waenganui i te diameter o waho o te kōpae me te pakitara o roto o te takirere, kia mau ai te hiri pono me te piri o ngā mirumiru puta noa i te whānuitanga o ngā tono.
He takirere huri-hauwhā e huri ana i te 90° hei whakatuwhera, hei kati rānei i te rere o te wai. Ko te kōpae porowhita — e mau ana ki waenganui o te tinana takirere — hei tikanga kati matua, e hono ana ki tētahi kaiwhakaoho, ki tētahi kakau rānei mā tētahi pou pokapū. Ina oti te kōpae i te hurihanga 90-tohu katoa, ka mahi te takirere heitakirere wehewehe. Ina tuwhera ā-wāhanga, ka mahi heitakirere whakahaere rere, e āhei ai te whakahaere tika i ngā koki whakatuwheratanga rerekē.
E ai ki te tikanga tāutanga, ka whakarōpūtia te momo-U heitakirere momo-waferAhakoa e rua ngā parirau whakauru kua makahia ki te tinana, he rite tonu ōna āhua mata-ki-mata ki te momo wafer paerewa — he hoahoa kiato, e uru ana ki waenganui i ngā parirau paipa e rua me ngā titi e haere ana mai i tetahi taha ki tetahi taha. Ka puritia te takirere ki tōna tūranga, ā, ka hiritia e ngā gasket i raro i te taumahatanga titi. He mea hanga motuhake ngā piripiri whakauru hei āwhina i te whakatikatika me te tāutanga, ā, ko tēnei whirihoranga te whiringa pai mō ngā rahi paipa nui ake.
I Nortech, ka hipokina te DN32–DN600 e ngā takirere pūrerehua noho pakari i roto i te momo wafer me te momo lug. Mō ngā diameter nui ake, ka whakamahia te takirere pūrerehua flanged momo-U — e tuku ana i te hanganga nohoanga pakari kua whakamātauhia i roto i ngā rahi DN350–DN1200 (14″–48″).
Momo-U vs. Wafer vs. Double Flanged— he rite tonu te hanganga ātete o ngā momo tāutanga e toru, engari he rerekē te āhua o te hononga ki te paipa. E whakaatu ana te whakatairite i raro nei i ngā rerekētanga matua o te hononga pito me te tikanga tāutanga.
| Hoahoa me te hanga | API 609 / EN 593 |
| Kanohi ki te kanohi | ISO 5752 / EN 558-1 Raupapa 20 |
| Pito o te flange | ISO 1092 PN6/10/16/25 | ANSI B16.1 / B16.5 Akomanga 125/150 |
| Te whakatauranga pēhanga | PN6 / PN10 / PN16 / PN25 | Akomanga ANSI 125/150 |
| Whakamātautau me te tirotiro | API 598 / EN 12266 / ISO 5208 |
| Te whakairinga o te kaiwhakaoho | ISO 5211 |
| Tinana | Rino ngāwari, maitai waro, maitai kore waikura, maitai kore waikura takirua, Monel, Alu-parahi |
| Kōpae | Rino mātotoru (panihia ki te nikara, te nairona rānei), Alu-parahi, maitai kore waikura, takirua, Monel, Hastelloy |
| Raina | EPDM / NBR / FPM / PTFE / Hypalon |
| Kākano | Kowiri tira / Monel / Duplex |
| Te pū | PTFE |
| Ngā Pūtu | Kowiri tira |
| Rauemi | Ngā māka paerewa | Ngā tono noa |
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| rino ngawari |
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| Kowiri tira |
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| Parahi-aru |
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| Rauemi | Ngā māka paerewa | Ngā tono noa |
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| Nikara DI kua pania |
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| Panipani nairona DI |
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| Kua whakakikoruatia ki te DI PTFE |
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| Kowiri tira |
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| Kowiri tira takirua |
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| Parahi-aru |
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| Hastelloy-C |
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| Rauemi | Awhe pāmahana | pāpāho e tika ana |
|---|---|---|
| NBR | 0°C – 90°C | Ngā hauwaiwaihā aliphatic (wahie, hinu kakara iti, hau), wai moana, hau kōpeke, paura, rauemi kirikiri, korehau, tuku hau |
| EPDM | −20°C – 110°C | Te wai whānui (wera, matao, moana, ozone, puna kaukau, ahumahi), waikawa ngoikore, wai tote ngoikore, waipiro, ketone, hau kawa, wai huka |
| EPDM Hauora | −10°C – 100°C | Wai inu, kai, wai inu kore hauwai |
| EPDM-H | −20°C – 150°C | HVAC, wai matao, kai, wai huka |
| Viton (FKM) | 0°C – 200°C | Ngā hauwaiwaro aliphatic, kakara me te halogen, ngā hau wera, te wai wera, te mamaoa, ngā waikawa inorganic, ngā kawakore |
Tirohia koatā mātou rārangi o ngā takirere pūrerehuamō ētahi atu kōrero, whakapā atu rānei ki tā mātou tīma hokohoko.
