Ama-valve ebhola epulasitiki, njengezingxenye zokulawula ezibalulekile ezinhlelweni zamapayipi, zisetshenziswa kabanzi emikhakheni ehlukahlukene njengokwelashwa kwamanzi, ubunjiniyela bamakhemikhali, ukudla kanye nemithi. Ukukhetha okulungile kwemodeli kudinga ukucatshangelwa kwezinto ezihlukahlukene ezifana nempahla, indlela yokuxhuma, isilinganiso sokucindezela, izinga lokushisa, njll. Lo mhlahlandlela uzokwethula ngokuhlelekile amaphuzu abalulekile okukhetha.ama-valve ebhola epulasitiki, ikusiza wenze ukukhetha okunengqondo.
Ukuhlukaniswa okuyisisekelo kanye nezindinganiso zamavalvu ebhola epulasitiki
1. Izindlela zokuhlukanisa eziyinhloko
Ama-valve ebhola epulasitiki angahlukaniswa ngokuya ngamazinga ahlukene:
(a) Ngendlela yokuxhuma:
I-Flangei-valve yebhola lepulasitiki: ilungele izinhlelo zamapayipi ezinobubanzi obukhulu
Ivalvu yebhola lepulasitiki elinemicu: ejwayele ukusetshenziselwa amapayipi anobubanzi obuncane
I-valve yebhola ye-socket yepulasitiki: kulula ukuyifaka ngokushesha
I-valve yebhola yepulasitiki eshayelwa kabili: kulula ukuyiqaqa nokuyigcina
(b) Ngokushayela imodi:
Manual ball valve: ukonga futhi ezingokoqobo
I-valve yebhola ye-pneumatic: ukulawula okuzenzakalelayo
I-valve yebhola kagesi: ukulungiswa okunembile
(c) Ngezinto ezibonakalayo:
I-valve yebhola ye-UPVC: ilungele ukwelashwa kwamanzi
I-PP ball valve: Imboni yokudla neyokwenza imithi
I-valve yebhola ye-PVDF: I-corrosive medium enamandla
I-valve yebhola ye-CPVC: Imvelo yokushisa ephezulu
2. Amazinga kazwelonke kanye nemininingwane
Izindinganiso eziyinhloko zeama-valve ebhola epulasitikie-China imi kanje:
I-GB/T 18742.2-2002: Amavalvu ebhola epulasitiki afanele i-DN15~DN400, ingcindezi elinganiselwe PN1.6~PN16
I-GB/T 37842-2019 “I-Thermoplastic Ball Valves”: Ifanele ama-valve ebhola e-thermoplastic asuka ku-DN8 kuya ku-DN150 kanye ne-PN0.6 kuya ku-PN2.5
3. Ukukhethwa kwezinto zokuvala uphawu
Irabha ye-EPDM ternary ethylene propylene: ukumelana ne-asidi ne-alkali, izinga lokushisa -10 ℃~+60 ℃
I-FKM fluororubber: ukumelana ne-solvent, izinga lokushisa -20 ℃~+95 ℃
I-PTFE polytetrafluoroethylene: imelana nokugqwala okuqinile, izinga lokushisa -40 ℃ kuya +140 ℃
Isikhathi sokuthumela: Jul-22-2025