Li-valve tsa ho hlahloba li-waferLi boetse li tsejoa e le li-valve tsa backflow, li-valve tsa backstop, le li-valve tsa backpressure. Mefuta ena ea li-valve e buloa le ho koaloa ka mokhoa o ikhethileng ka matla a hlahisoang ke phallo ea seaplane ka boeona ka har'a liphaephe, tsa mofuta oa mofuta oa othomathike.
Sesepa sa ho hlahloba ke ho itšetleha ka ho phalla ha seaplane ka boeona 'me ka boeona se bula le ho koala sekhahla sa valve, se sebelisetsoang ho thibela sekhahla sa ho khutlela morao, se tsejoang hape e le valve ea ho hlahloba, valve ea ho hlahloba, valve ea backflow le valve ea khatello ea morao. Valve ea ho hlahloba ke ea mofuta oa li-valve tsa othomathike, karolo ea eona e ka sehloohong ke ho thibela ho khutla ha mecha ea litaba, ho thibela pompo le ho khanna koloi, hammoho le ho ntša mecha ea litaba. Li-valve tsa ho hlahloba li ka boela tsa sebelisoa ho fana ka khatello e ka 'na ea nyolohela ho feta khatello ea tsamaiso ea tsamaiso e thusang ho fana ka phaephe ea phepelo. Sesepa sa ho hlahloba se ka aroloa ka valve ea ho hlahloba (ho ea ka bohareng ba potoloho ea matla a khoheli) le valve ea ho phahamisa (e tsamaeang haufi le axis).
Ntlha ea pele, tšebeliso ea "clip-on check valve check valve" e kentsoeng tsamaisong ea liphaephe, karolo ea eona e ka sehloohong ke ho thibela ho khutla ha mecha ea litaba, ho hlahloba valve ke mofuta oa valve o itekanetseng o itšetlehileng ka khatello ea mecha ea litaba ho bula le ho koala. Belofo ea ho hlahloba clamp e loketse khatello ea lebitso PN1.0MPa ~ 42.0MPa, Class150 ~ 25000, bophara ba lebitso la DN15 ~ 1200mm, NPS1/2 ~ 48, mocheso o sebetsang -196 ~ 540 ℃ oa liphaephe tse sa tšoaneng, tse sebelisetsoang ho thibela ho khutla ha mecha ea litaba. Ka khetho ea lisebelisoa tse fapaneng, e ka sebelisoa ho metsi, mouoane, oli, asiti ea nitric, asiti ea acetic, mecha ea litaba e matla ea oxidizing le uric acid le mecha e meng ea litaba.
Lisebelisoa tse ka sehloohong tsa valve ea ho hlahloba liphaephe ke tšepe ea carbon, mocheso o tlaase, tšepe ea duplex (SS2205 / SS2507), alloy ea titanium, bronze ea aluminium, Inconel, SS304, SS304L, SS316, SS316L, chrome-molybdenum steel, Monel (400 / 400). 500), 20 # motsoako, Hastelloy le tšepe tse ling lisebelisoa.
Ea boraro, litekanyetso le litloaelo tsa valve ea ho hlahloba liphaephe
Moqapi: API594, API6D, JB/T89372,
Sefahleho le sefahleho bolelele: API594, API6D,DIN3202, JB/T89373,
Sekhahla sa khatello le mocheso: ANSI B16.34, DIN2401, GB/T9124, HG20604, HG20625, SH3406, JB/T744,
Teko le maemo a tlhahlobo: API598, JB/T90925
Piping Flanges: JB/T74~90、GB/T9112-9124、HG20592~20635、SH3406、ANSI B 16.5、DIN2543-2548、GB/T13402、API605、ASMEB16.47)
Ea bone, litšobotsi tsa sebopeho sa pinch check valve
1.Bolelele bo bokhutšoaane ba sebopeho, bolelele ba sebopeho sa eona ke 1/4 ~ 1/8 feela ea sephahla sa ho hlahloba flange ea setso.
2. molumo o monyenyane, boima bo bobebe, boima ba eona ke feela "valve ea ho hlahloba flange" 1/4 ~ 1/2.
3. valve flap e koala ka potlako, khatello ea hamore ea metsi e nyenyane
4. Piping e otlolohileng kapa e otlolohileng e ka sebelisoa, ho bonolo ho e kenya
5. Tsela ea ho phalla e boreleli, e thibelang metsi a tlaase
6.Ketso e utloahalang, ts'ebetso e ntle ea ho tiisa
7.Disc stroke e khutšoanyane, phello ea ho koala e nyenyane
8.Sebopeho sa kakaretso se bonolo ebile se kopane, 'me sebopeho se setle
9. Bophelo bo bolelele ba tšebeletso le ts'ebetso e tšepahalang
hlano. Ts'ebetso ea ho tiisa ha valve ea ho hlahloba liphaephe Sephaphatha se tiisitsoeng ka bonolo se ka fumana ho lutla ha zero, empa valve e tiisitsoeng ka thata ha se valve ea ho lutla zero. E na le sekhahla se itseng sa ho lutla. Ho ea ka tekanyetso ea tlhahlobo ea API598, bakeng sa valve ea ho hlahloba e nang le setulo sa tšepe, bakeng sa boholo ba DN100, sekhahla sa ho lutla ha metsi ka motsotso ke 12CC.
