Mosebetsi oa setulo sa valve: se sebelisetsoang ho ts'ehetsa boemo bo koetsoeng ka botlalo ba mokokotlo oa valve le ho etsa para e tiisang.

Mosebetsi oa Disc: Disc - diski e chitja e eketsang ho phahamisa le ho fokotsa khatello ea khatello. E thatafalitsoe ho eketsa bophelo ba tšebeletso.

Karolo ea mantlha ea li-valve: Mokotla oa li-valve khatellongho fokotsa valveke e 'ngoe ea likarolo tse ka sehloohong tsa ho laola khatello.

Litšobotsi tsa setulo sa valve: Corrosion le ho apara ho hanyetsa; Nako e telele ea ts'ebetso; Ho hanyetsa khatello e phahameng; Ho nepahala ho phahameng; Ho hanyetsa ka mokhoa o babatsehang oa ho sututsa meroalo le mocheso o phahameng; E loketse likoloi tse ngata tsa baeti, literaka tse bobebe le tse boima, lienjineri tsa diesel le lienjineri tsa indasteri tse emeng.

Likarolo tsa li-valve disc: E na le ts'ebetso e feto-fetohang ho thibela lerako la khetla ea 'mele oa valve hore le se ke la kenella. Sekhahla se ikhethileng sa serurubele sa clamshell se na le pini e hahelletsoeng ka har'a serurubele sa serurubele, se sa feliseng feela monyetla oa hore phini ea hinge e phunye ntlo bakeng sa ho lutla, empa hape e etsa hore setulo sa belofo se lokisoe habonolo hobane bracket e entsoeng ka mochini e tsamaisana le eona. bokaholimo ba setulo sa valve. Fetola disk/setulo.

Likarolo tsa mantlha tsa valve: Ha mokokotlo o potolohang o potoloha, fereko e pheletsong e ka tlase ea mokokotlo o potolohang e khanna poleiti ea valve e tsamaeang hore e potoloha, e le hore lesoba la phallo ea metsi holim'a poleiti ea valve e tsamaeang e tsamaellane le lesoba le kenang la metsi. poleiti ea valve. static valve plate, 'me qetellong metsi a phalla ho tsoa mokokotlong o potolohang. Ka ho tsoa ka lesoba, moralo ona o sebelisoa haholo litsing tsa lipompo.

Kakaretso ea setulo sa li-valve: Sebelisa lisebelisoa tse tiisang le tse nyane tsa actuator ho fumana tiiso e sa keneleng moea. Khatello ea tiiso ea ho hatella setulo sa valve ho etsa hore thepa e holofale 'me e petelle sebakeng se mahoashe sa tšepe e kopanyang ho koala metsu leha e le efe e lutlang. tsela. The permeability ea thepa ho maro ke motheo oa ho lutla ha nyenyane.

Tlhaloso ea li-valve disc: lesale la ho tiisa disc la mofuta oa skirt. Moetso oa ts'ebeliso o senola selikalikoe se tiisang sa valve ea mofuta oa skirt. Sebopeho sa eona sa sebopeho ke hore tiiso pakeng tsa selikalikoe sa ho tiisa le 'mele oa "valve disc" ke tiiso ea mela e habeli. Karolo ea longitudinal sebakeng sa ho tiisa pakeng tsa lesale la ho tiisa le 'mele oa disc oa valve ke sebaka sa sefofane sa trapezoidal.

Tlhaloso ea mantlha ea li-valve: Mokokotlo oa valve ke karolo ea valve e sebelisang ho sisinyeha ha 'mele oa valve ho finyella mesebetsi ea motheo ea taolo ea tataiso, taolo ea khatello kapa taolo ea phallo.

Karolo ea sefahleho e ka senyehang ka har'a valve e sebelisetsoa ho ts'ehetsa boemo bo koetsoeng ka botlalo ba mokokotlo oa valve le ho etsa para e tiisang. Ka kakaretso, bophara ba setulo sa valve ke bophara bo boholo ba phallo ea valve. Ka mohlala, li-valve tsa serurubele li tla ka lisebelisoa tse sa tšoaneng tsa setulo. Lisebelisoa tsa setulo sa valve li ka etsoa ka lisebelisoa tse fapaneng tsa rabara, polasetiki le tšepe, tse kang: EPDM, NBR, NR, PTFE, PEEK, PFA, SS315, STELLITE, joalo-joalo.

Lintho tse bonahalang tse lokelang ho nahanoa ha u khetha setulo sa valve se bonolo ke:
1) Ho lumellana ha metsi, ho kenyelletsa ho ruruha, ho lahleheloa ke boima, ho phunyeletsa le ho senyeha;
2) Ho thatafala;
3) Deformation e sa feleng;
4) Tekanyo ea ho hlaphoheloa ka mor'a ho tlosa mojaro;
5) Tensile le matla a ho hatella;
6) Deformation pele ho phatloha;
7) Modulus oa elastic.

Diski

The valve disc ke core ea valve, e leng e 'ngoe ea likarolo tsa mantlha tsa valve. E jara ka ho toba khatello e bohareng ka valve. Thepa e sebelisoang e tlameha ho ikamahanya le melaoana ea "Valve Pressure and Temperature Class".

Lisebelisoa tse sebelisoang hangata li kenyelletsa tse latelang:
1. Grey cast iron: Grey cast iron e loketse metsi, mouoane, moea, khase, oli le mecha e meng ea litaba e nang le khatello ea lebitso PN ≤ 1.0MPa le mocheso oa -10 ° C ho 200 ° C. Limaraka tse sebelisoang ka tloaelo tsa tšepe e boputsoa ke: HT200, HT250, HT300, le HT350.
2. Malleable cast iron: e loketseng metsi, mouoane, moea le mecha ea litaba ea oli e nang le khatello ea lebitso PN≤2.5MPa le mocheso oa -30 ~ 300℃. Limaraka tse sebelisoang hangata li kenyelletsa: KTH300-06, KTH330-08, KTH350-10.
3. Tšepe ea ductile: e loketseng metsi, mouoane, moea, oli le mecha e meng ea litaba ka PN≤4.0MPa le mocheso -30 ~ 350 ℃. Limaraka tse sebelisoang ka tloaelo li kenyelletsa: QT400-15, QT450-10, QT500-7.
Ka lebaka la boemo ba hajoale ba tekheniki ea lapeng, lifeme tse fapaneng ha li lekane, 'me tlhahlobo ea basebelisi hangata e ba le mathata. Ho itšetlehile ka phihlelo, ho kgothaletswa hore PN≤2.5MPa le thepa ea valve e lokela ho ba tšepe ho netefatsa polokeho.
4. Acid-resistant high-silicon ductile iron: e loketse mecha ea phatlalatso e senyang ka khatello ea lebitso PN ≤ 0.25MPa le mocheso o ka tlase ho 120 ° C.
5. Carbon steel: e loketse mecha ea litaba e kang metsi, mouoane, moea, hydrogen, ammonia, naetrojene le lihlahisoa tsa petroleum tse nang le khatello ea lebitso la PN ≤ 32.0MPa le mocheso oa -30 ~ 425 ° C. Limaraka tse sebelisoang ka tloaelo li kenyelletsa WC1, WCB, ZG25, tšepe ea boleng bo holimo 20, 25, 30 le tšepe e tlase ea alloy 16Mn.
6. Alloy ea koporo: e loketse metsi, metsi a leoatle, oksijene, moea, oli le mecha e meng ea litaba ka PN≤2.5MPa, hammoho le mecha ea mouoane e nang le mocheso oa -40 ~ 250 ℃. Limaraka tse sebelisoang ka tloaelo li kenyelletsa ZGnSn10Zn2 (boronse ba thini), H62, Hpb59-1 (koporo), QAZ19-2, QA19-4 (boronse ea aluminium).
7. Mocheso o phahameng oa koporo: o loketse bakeng sa lihlahisoa tsa mouoane le peterole ka khatello ea lebitso PN≤17.0MPA le mocheso ≤570℃. Limaraka tse sebelisoang ka tloaelo li kenyelletsa ZGCr5Mo, 1Cr5M0, ZG20CrMoV, ZG15Gr1Mo1V, 12CrMoV, WC6, WC9 le limaraka tse ling. Khetho e khethehileng e tlameha ho lumellana le khatello ea valve le litekanyetso tsa mocheso.
8. tšepe e tlaase-mocheso, e loketseng khatello ea lebitso PN≤6.4Mpa, mocheso ≥-196℃ ethylene, propylene, khase ea tlhaho e nang le metsi, naetrojene e nang le metsi le mecha e meng ea mecha ea litaba, lihlahisoa tse sebelisoang hangata) li kenyelletsa ZG1Cr18Ni9, 0Cr18Ni9, 1CrNi8Cr18C9Cr. tšepe e manganga acid, e loketse Bakeng sa khatello ea lebitso PN≤6.4Mpa, mocheso ≤200℃ nitric acid, acetic acid le mecha e meng ea litaba, lihlahisoa tse sebelisoang hangata ke ZG0Cr18Ni9Ti, ZG0Cr18Ni10 , ZG0Cr18Ni12Mo2Ti, ZG1Cr18Ni12Mo2Ti

motheo oa valve
Mokokotlo oa valve ke karolo ea valve e sebelisang motsamao oa eona ho fihlela mesebetsi ea mantlha ea taolo ea tataiso, taolo ea khatello kapa taolo ea phallo.

Karolelano
Ho ea ka mokhoa oa ho sisinyeha, e arotsoe ka mofuta oa ho potoloha (45 °, 90 °, 180 °, 360 °) le mofuta oa phetolelo (radial, directional).
Ho ea ka sebōpeho, ka kakaretso e ka aroloa ka spherical (valve ea bolo), conical (valve ea plug), disc (valve ea serurubele, valve ea heke), e bōpehileng joaloka dome (stop valve, check valve) le cylindrical (valve e khutlisetsang morao).
Ka kakaretso e entsoe ka boronse kapa tšepe e sa hloekang, ho boetse ho na le polasetiki, nylon, ceramics, khalase, joalo-joalo.
Mokotla oa valve ka har'a valve e fokotsang khatello ke e 'ngoe ea likarolo tse ka sehloohong tsa ho laola khatello.