[Tārua] Takirere pūrerehua Wafer Raupapa ED
![[Tārua] Pikitia Matua o te takirere pūrerehua Wafer Raupapa ED](https://cdn.globalso.com/tws-valve/edserieswaferbutterflyvalve_420_356.jpg)
Whakaahuatanga:
He momo ringaringa ngohengohe te takirere pūrerehua Wafer Raupapa ED, ā, ka taea te wehe i te tinana me te wai rere.
Rauemi o ngā Wāhanga Matua:
| Ngā Wāhanga | Rauemi |
| Tinana | CI,DI,WCB,ALB,CF8,CF8M |
| Kōpae | DI,WCB,ALB,CF8,CF8M,Kōpae Raina-Rapa,Kowiri tira takirua,Monel |
| Kākano | SS416,SS420,SS431,17-4PH |
| Nohoanga | NBR,EPDM,Viton,PTFE |
| Pine Whakawhāiti | SS416,SS420,SS431,17-4PH |
Whakatakotoranga Nohoanga:
| Rauemi | Te pāmahana | Whakaahuatanga Whakamahi |
| NBR | -23℃ ~ 82℃ | Buna-NBR: (Rapa Nitrile Butadiene) he kaha kume pai, ā, he ātete ki te pakū. He ātete hoki ki ngā hua hauwaiwai. He rauemi ratonga whānui pai mō te whakamahi i roto i te wai, te korehau, te waikawa, te tote, ngā kawakore, ngā ngako, ngā hinu, ngā hinu, ngā hinu waipēhi me te ethylene glycol. Kāore e taea te whakamahi i te Buna-N mō te acetone, ngā ketone me ngā hauwaiwai nitrated, chlorinated rānei. |
| Te wā pupuhi-23℃ ~120℃ | ||
| EPDM | -20 ℃ ~ 130 ℃ | Ko te rapa EPDM Whānui: he rapa hangai ratonga whānui pai e whakamahia ana i roto i te wai wera, i ngā inu, i ngā pūnaha hua miraka me ērā kei roto ngā ketone, te waipiro, ngā hauota ether esters me te glycerol. Engari kāore e taea te whakamahi i te EPDM mō ngā hinu, ngā kohuke, ngā whakarewa rānei e hangai ana ki te hauwai. |
| Te wā pupuhi - 30℃ ~ 150℃ | ||
| Witon | -10 ℃ ~ 180 ℃ | He elastomer hauwaiwai fluorinated te Viton, ā, he tino ātete ki te nuinga o ngā hinu me ngā hau hauwaiwai me ētahi atu hua hinu. Kāore e taea te whakamahi i te Viton mō te mahi mamaoa, te wai wera neke atu i te 82℃, ngā kawakore kukū rānei. |
| PTFE | -5℃ ~ 110℃ | He pai te pumau o te mahi matū o te PTFE, ā, kāore te mata e piri. I taua wā anō, he pai tōna āhuatanga whakahinuhinu me te ātete ki te koroheketanga. He rauemi pai mō te whakamahi i roto i ngā waikawa, ngā kawakore, ngā waikura me ētahi atu mea waikura. |
| (Raina ā-roto EDPM) | ||
| PTFE | -5℃~90℃ | |
| (Raina ā-roto NBR) |
Te mahi:te rīwhi, te pouaka taputapu, te kaiwhakaoho hiko, te kaiwhakaoho hau.
Ngā Āhuatanga:
1. Hoahoa upoko kakau o te "D" takirua, te ripeka tapawhā rānei: He watea ki te hono atu ki ngā momo kaiwhakaoho, ka nui ake te taipana;
2. Taraiwa tapawhā kakau e rua ngā wahi: Ka pā te hononga kore-mokowā ki ngā āhuatanga kino katoa;
3. Tinana kāore he hanganga anga: Ka taea e te nohoanga te wehe i te tinana me te wai rere kia rite, ā, he watea hoki mā te flange paipa.
Ahu:
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