Hlahloba valve: Ho hlahloba valve e boetse e tsejoa e le valve ea tsela e le 'ngoe kapa valve ea ho hlahloba, mosebetsi oa eona ke ho thibela bohareng ba pipeline Backflow.Belofo e ka tlase ea pompo ho koala metsi le eona ke ea sehlopha sa li-valve tse sa khutleng.Belofo e bulang kapa e koalang ka boeona ka phallo le matla a seaplane ho thibela mahareng hore a se ke a khutlela morao e bitsoa cheque valve.Li-valve tsa ho hlahloba ke tsa sehlopha sa li-valve tsa othomathike.Li-valve tsa ho hlahloba li sebelisoa haholo-holo liphaepheng moo sehare se phallang ka lehlakoreng le le leng, 'me se lumella feela sehare ho phalla ka lehlakoreng le le leng ho thibela likotsi.Ho ea ka sebopeho sa valve ea ho hlahloba, e ka aroloa ka mefuta e meraro: valve ea ho phahamisa, valve ea ho hlahloba le ho hlahloba serurubele.Li-valve tsa ho hlahloba li ka aroloa ka mefuta e 'meli: li-valve tsa ho hlahloba tse otlolohileng le li-valve tsa ho hlahloba tse holimo.Li-valve tsa ho hlahloba li-swing li arotsoe ka mefuta e meraro: valve ea ho hlahloba lekhasi le le leng, valve ea ho hlahloba e sebetsang habeli le li-valve tsa ho hlahloba makhasi a mangata.Belofo ea ho hlahloba serurubele ke valve e otlolohileng ea ho hlahloba.Li-valve tsa ho hlahloba tse boletsoeng ka holimo li ka aroloa ka mefuta e meraro ka mokhoa oa khokahanyo: valve ea ho hlahloba e nang le thread, e nang le flanged check valve le welded check valve.
Ho kenngoa ha valve ea ho hlahloba ho lokela ho ela hloko tse latelang: U se ke ua etsa hore valve ea ho hlahloba e be boima ba liphaephe, 'me valve e kholo ea ho hlahloba e lokela ho tšehetsoa ka boithaopo e le hore e se ke ea angoa ke khatello e hlahisoang ke tsamaiso ea liphaephe.
Ha u kenya, ela hloko tataiso ea phallo e bohareng e lokela ho lumellana le tataiso ea motsu o khethiloeng ke 'mele oa valve.
Sephahla sa ho hlahloba se otlolohileng sa mofuta oa lift se lokela ho kenngoa phaepheng e emeng.Mofuta oa lifti o otlolohileng o lokela ho kengoa phaepheng e tšekaletseng.
Mekhahlelo e ka sehloohong ea ts'ebetso ea valve ea ho hlahloba: Khatello ea lebitso kapa boemo ba khatello: PN1.0-16.0MPa, ANSI CLASS1 50-900, JIS 10-20K, bophara ba lebitso kapa caliber: DN15-900.
NPS 1/4-36, mokhoa oa ho hokahanya: flange, butt welding, thread, socket welding, joalo-joalo, mocheso o sebetsang: -196 ℃-540 ℃, lisebelisoa tsa 'mele oa valve: WCB.
ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8 (304), CF3 (3041), CF8M (316), CF3M (316L), Ti, khetha lisebelisoa tse fapaneng, li-valve li ka sebelisoa bakeng sa metsi, mouoane, oli, nitric acid, acetic acid, oxidation ea thobalano. media, urea le mecha e meng ea litaba.