Li-valve tsa bolo ea polasetiki, e le likarolo tsa bohlokoa tsa taolo tsamaisong ea lipeipi, li sebelisoa haholo likarolong tse sa tšoaneng tse kang ho hloekisa metsi, boenjiniere ba lik'hemik'hale, lijo le meriana. Khetho e nepahetseng ea mohlala e hloka ho nahanoa ka lintlha tse fapaneng tse kang thepa, mokhoa oa ho hokahanya, tekanyo ea khatello, mefuta-futa ea mocheso, joalo-joalo. Tataiso ena e tla hlahisa lintlha tsa bohlokoa tsa ho khetha.li-valve tsa polasetiki, ho u thusa ho etsa khetho e utloahalang.
Sehlopha sa mantlha le litekanyetso tsa li-valve tsa bolo ea polasetiki
1. Mekhoa e meholo ea lihlopha
Li-valve tsa bolo ea polasetiki li ka aroloa ho latela litekanyetso tse fapaneng:
(a) Ka mokhoa oa ho hokahanya:
Flangevalve ea polasetiki: e loketseng mekhoa ea lipeipi tsa bophara bo boholo
Balofo ea bolo ea polasetiki e nang le likhoele: e atisang ho sebelisoa bakeng sa liphaephe tsa bophara bo nyane
Socket plastic ball valve: ho bonolo ho e kenya kapele
Valve ea bolo ea polasetiki e tsamaisoang habeli: ho bonolo ho e qhaqholla le ho e hlokomela
(b) Ka mokhoa oa ho khanna:
Manual ball valve: ea moruo le e sebetsang
Pneumatic ball valve: taolo e ikemetseng
Motlakase ball valve: phetoho e nepahetseng
(c) Ka lintho tse bonahalang:
UPVC valve ea bolo: e loketse bakeng sa phekolo ea metsi
PP ball valve: indasteri ea lijo le meriana
PVDF ball valve: Sebaka se matla sa ho senya
CPVC ball valve: Tikoloho e phahameng ea mocheso
2. Litekanyetso tsa naha le litlhaloso
Litekanyetso tse ka sehloohong tsali-valve tsa polasetikiChina ke tse latelang:
GB/T 18742.2-2002: Li-valve tsa bolo ea polasetiki tse loketseng DN15 ~ DN400, khatello e lekantsoeng PN1.6 ~ PN16
GB/T 37842-2019 "Thermoplastic Ball Valves": E loketse li-valve tsa bolo ea thermoplastic ho tloha ho DN8 ho ea ho DN150 le PN0.6 ho ea PN2.5
3. Khetho ea lisebelisoa tsa ho tiisa
EPDM ternary ethylene propylene rabara: acid le alkali manganga, mocheso o fapaneng -10 ℃~+60 ℃
FKM fluororubber: e hanyetsanang le solvent, mocheso o fapaneng -20 ℃~+95 ℃
PTFE polytetrafluoroethylene: e hanyetsanang le kutu e matla, mocheso o fapaneng -40 ℃ ho+140 ℃
Nako ea poso: Jul-22-2025