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Ulwahlulo oluphambili kunye neemeko zenkonzo yezixhobo zokutywinwa kwevalve

Ukutywinwa kwevalve yinxalenye ebalulekileyo yevalve yonke, injongo yayo ephambili kukuthintela ukuvuza,ivalveisihlalo sokutywina sikwabizwa ngokuba ngumsesane wokutywina, ngumbutho onxibelelana ngokuthe ngqo nendawo ekwimibhobho kwaye inqanda isiphakathi ukuba singahambi.Xa ivalve isetyenziswa, kukho imidiya eyahlukeneyo kumbhobho, njengolwelo, igesi, ioyile, imidiya ebolileyo, njl.njl., kunye nezitywina zeevalvu ezahlukeneyo zisetyenziswa kwiindawo ezahlukeneyo kwaye ziyakwazi ukuziqhelanisa nephakathi.

 

TWSValveikhumbuza ukuba izixhobo zokutywinwa kwevalve zinokwahlulwa zibe ngamacandelo amabini, oko kukuthi izinto zetsimbi kunye nezinto ezingezizo ezentsimbi.Izitywina ezingezizo zetsimbi zisetyenziswa ngokubanzi kwimibhobho kwiqondo lokushisa eliqhelekileyo kunye noxinzelelo, ngelixa izitywina zetsimbi zineendlela ezibanzi zokusetyenziswa kwaye zingasetyenziswa kumaqondo obushushu aphezulu.uxinzelelo oluphezulu.

 

1. Irabha yokwenziwa

I-rubber ye-Synthetic ingcono kune-rubber yendalo ngokwemiqathango yokumelana neoli, ukumelana nobushushu kunye nokumelana nokubola.Ngokuqhelekileyo, ubushushu bokusebenza kwerabha yokwenziwa yi-t150°C, irabha yendalo yi-t60°C, kunye nerabha isetyenziselwa ukutywinwa kweevalvu zeglowubhu, iivalvu zesango, iivalvu zediaphragm, iivalve zebhabhathane, iivalve zetshekhi, iivalve zepinch kunye nezinye iivalvu ezinoxinzelelo lwe-PN.1MPa

 

2. Inayiloni

Inayiloni ineempawu ze-coefficient encinci ye-friction kunye nokuchasana kakuhle kwe-corrosion.Inayiloni isetyenziswa kakhulu kwiivalvu zebhola kunye neevalvu zeglowubhu ezinobushushu obuyi-t90°C kunye noxinzelelo lwe-PN32MPa

 

3. Polytetrafluoroethylene

I-PTFE isetyenziswa kakhulu kwiivalvu zeglowubhu, iivalvu zesango, iivalve zebhola, njl.njl. ngeqondo lobushushu t.232°C kunye noxinzelelo lwe-PN6.4MPa.

 

4. Intsimbi yokuphosa

Intsimbi yokuphosa isetyenziselwa iivalvu zesango, iivalvu zeglowubhu, iivalvu zeplagi, njl.njl. kwiqondo lobushushu t100°C, uxinzelelo lwegama PN1.6MPa, igesi kunye neoli.

 

5. Ingxubevange yeBabbitt

Ingxubevange yeBabbitt isetyenziselwa ivalve yeglowubhu yeammonia enobushushu obuyi-t-70~150kunye noxinzelelo lwe-PN2.5MPa.

 

6. Ingxubevange yobhedu

Izinto ezisetyenziswa ngokuqhelekileyo kwii-alloys zobhedu ziyi-6-6-3 ye-tin bronze kunye ne-58-2-2 yobhedu ye-manganese.Ingxubevange yobhedu inokumelana nokunxiba kakuhle kwaye ilungele amanzi kunye nomphunga kunye nobushushu obuyi-t200kunye noxinzelelo lwe-PN1.6MPaIhlala isetyenziselwa iivalve zesango, iivalve zeglobhu, iivalve zokujonga, iiplagi zeplagi, njl.

 

7. Chrome steel stainless

Amanqanaba asetyenziswa ngokuqhelekileyo ensimbi engenasici ye-chromium yi-2Cr13 kunye ne-3Cr13, eziye zacinywa kwaye zinomsindo, kwaye zine-corrosion resistance resistance.Ihlala isetyenziswa kwiivalvu zamanzi, umphunga kunye nepetroleum enobushushu obuyi-t450kunye noxinzelelo lwe-PN32MPa

 

8. I-Chrome-nickel-titanium insimbi engenasici

Ibakala elisetyenziswa ngokuqhelekileyo le-chromium-nickel-titanium insimbi engenasici yi-1Cr18Ni9ti, enokumelana nokugqwesa okulungileyo, ukuxhathisa ukuguguleka kunye nokumelana nokushisa.Ilungele umphunga kunye nezinye imidiya kunye nobushushu t600°C kunye noxinzelelo lwe-PNI-6.4MPa, kwaye isetyenziselwa iivalvu zeglowubhu, iivalve zebhola, njl.

 

9. Nitriding steel

Ibakala eliqhelekileyo elisetyenziswayo lentsimbi ye-nitriding yi-38CrMoAlA, enokumelana nokugqwala okuhle kunye nokuxhathisa ukukrala emva konyango lokungcwatywa kwe-carburizing.Ihlala isetyenziswa kwizivalo zesango lesikhululo samandla ezinobushushu obuyi-t540kunye noxinzelelo lwe-PN10MPa

 

10. Boronizing

I-Boronizing isebenza ngokuthe ngqo kwindawo yokutywina ukusuka kwisixhobo somzimba wevalve okanye umzimba wediski, emva koko yenze unyango lwe-boronizing surface.Umphezulu wokutywina unokumelana nokunxiba kakuhle.Yevalve yokuvuthela kwisikhululo samandla.

 

Xa isivalo sisetyenziswa, imiba ekufuneka ithathelwe ingqalelo yile ilandelayo:

1. Ukusebenza kokutywinwa kwevalve kufuneka kuhlolwe ukuqinisekisa ukusebenza kwayo.

2. Khangela ukuba indawo yokutywina yevalve igugile, kwaye uyilungise okanye uyibuyisele ngokwemeko.


Ixesha lokuposa: Jan-04-2023