Takirere Kēti Maripi Pouaka DI PN10/16 Class150
Taipitopito Hua
| Rahi me te Whakatauranga Pēhanga me te Paerewa | |
| Rahi | DN40-DN2000 |
| Whakatauranga Pēhanga | DN50-100 PN16 DN150-200 PN10 DN250-400 PN7 DN450-600 PN5 DN650-750 PN4 DN800-900 PN3 DN1000 PN2 |
| Paerewa Hoahoa | JB/T8691-2013 |
| Paerewa Flange | tūtohi GB/T15188.2-946-7 |
| Paerewa Whakamātautau | GB/T13927-2008 |
| Rauemi | |
| Tinana | Rino ngāwari; WCB; CF8; CF8M; 2205; 2507 |
| Kōpae | SS304; SS316; 2205; 2507; 1.4529 |
| Kākano/Poro | SS410/420/416; SS431; SS304; Monel |
| Nohoanga | Kowiri tira+STLEPDM (120°C) /Viton (200°C) /PTFE (200°C) /NBR (90°C) |
| Te pū | PTFE, Parahi |
| Mowhiti O | NBR, EPDM, FKM |
| Kaiwhakaoho | Pouaka Taputapu, Pūwhakaoho Hiko, Pūwhakaoho Hau |
Whakaaturanga Hua
Painga Hua
Ka hurihia, ka whakakanapahia hoki te kuaha kowiri tira AISI304, 316 rānei, kia maeneene, kia rite ki te whakaata, kia kore ai e pakaru te takai me te nohoanga i te wā e tuwhera ana, e kati ana rānei, ā, kia nui ake ai te hiri. Ka hangaia te raro o te taha o te kuaha kia rite ki te piko, kia tapahia ai ngā mea totoka kia piri ake ai te hiri i te wā e kati ana. Ka taea te whakarato i tētahi parenga maripi hei tiaki atu i te puehu.
E toru ngā āhuatanga e whai ake nei:
1. He nohoanga paerewa NBR, EPDM, kei te wātea hoki i roto i te PTFE, Viton, Silicone me ētahi atu. He hoahoa ahurei e maukati ana i te hiri i roto i te tinana o te takirere mā te mowhiti pupuri maitai kore waikura. Ko te tikanga he hoahoa hiri kotahi-ahunga, me te hiri rua-ahunga e hiahiatia ana.
2. He maha ngā paparanga o te takai whiri me te repe takai ngāwari ki te uru atu kia mau ai te hiri. E wātea ana i roto i ngā momo rauemi: Graphite, PTFE, PTFE+KEVLAR me ētahi atu.
3. Mā te poraka ārahi i runga i te tinana takirere ka neke tika te kēti, ā, mā te poraka whakaputa ka hiritia pai te kēti.
E whakatinanahia ana e ZFA Valve te paerewa API598, ka mahia e mātou he whakamātautau pēhanga taha e rua mō ngā takirere katoa 100%, ā, ka oati mātou ki te tuku i ngā takirere kounga 100% ki ō mātou kiritaki.
Ka whakamahia e te tinana takirere he rauemi paerewa GB, e 15 ngā tukanga katoa mai i te rino ki te tinana takirere.
Ka whakamanahia te kounga o te hua mai i te mea takoto kau ki te hua kua oti.
Ngā Hua Hokohoko Wera
