Ubomi benkonzo buchatshazelwa zizo zonke ezi zinto zilandelayo: -ubungakanani, uxinzelelo, ubushushu, iqondo lokuguquguquka koxinzelelo kunye nokuguquguquka kwe-thermal, udidi lwemidiya, ukuhamba ngebhayisikile, isantya semidiya kunye nesantya sokusebenza kwevalvu.
Esi sihlalo silandelayo kunye nezixhobo zokutywina zinokusetyenziswa kwiivalvu ezahlukeneyo ezifana nebhola, iplagi, ibhabhathane, isango, iivalvu zokujonga njl.
Eyona nto ixhaphakileyo yesitulo sevalve yesitulo sokufaka imathiriyeli yeringi iya kuba
PTFE,RPTFE,PEEK,DEVLON/NYLON,PPL ngokoxinzelelo olwahlukileyo,ubungakanani kunye neemeko zokusebenza.
Eyona nto ixhaphakileyo kwisixhobo sokutywina esithambileyo sevalve yebhola iya kuba
iya kuba yi-BUNA-N, PTFE, RPTFE,VITON,TFM, njl.
Ukudwelisa iimpawu ezimbalwa eziphambili:
I-BUNA-N (HYCAR okanye iNitrile)- Uluhlu lobushushu luyi-18 ukuya kwi-100℃ ubuninzi.I-Buna-N yipolima yenjongo jikelele ekwaziyo ukumelana ne-oyile, amanzi, izinyibilikisi kunye nolwelo oluqhutywa ngamanzi.Ikwabonisa uxinezeleko olulungileyo, ukuxhathisa kwe-abrasion, kunye nokomelela. Lo mathiriyeli uqhuba kakuhle kakhulu kwimimandla yenkqubo apho imathiriyeli esisiseko separafini, ii-acids ezinamafutha, i-oyile, iialkoholi okanye ii-glycerin zikhona, kuba azichatshazelwa kwaphela.Akufunekanga isetyenziswe malunga nezinyibilikisi eziphezulu ze-polar (i-acetones, ii-ketones), ii-hydrocarbons ezine-chlorinated, i-ozone okanye i-nitro hydrocarbons.IHycar imnyama ngombala kwaye akufuneki isetyenziswe apho ukuguquka kwebala kungenakunyamezeleka.Ithathwa njengotshintsho oluthelekisekayo lwe-neoprene.Umahluko omkhulu: I-Buna-N inomlinganiselo ophezulu wokushisa;i-neoprene ixhathisa ngakumbi kwii-oyile.
EPDM-Iqondo lobushushu lisuka ku -29℃ ukuya kwi-120℃.I-EPDM yi-polyester elastomer eyenziwe kwi-ethylene-propylene diene monomer.I-EPDM ine-abrasion efanelekileyo kunye nokumelana nokukrazula kwaye inika ukuchasana kweekhemikhali kwiindidi ze-acids kunye ne-alkaline.Iyakwazi ukuhlaselwa ngamafutha kwaye ayikhuthazwa kwizicelo ezibandakanya i-petroleum oil, i-acids eqinile, okanye i-alkaline eqinile.I-EPDM ayifanele isetyenziswe kwimigca yomoya ecinezelweyo.Inokwaluphala kwemozulu entle kakhulu kunye nokumelana ne-ozone..Ilungile ngokufanelekileyo kwiiketoni kunye neealkoholi.
I-PTFE (TFE yeTeflon)- PTFE yeyona khemikhali ukumelana zonke iiplastiki.Kananjalo ineepropathi ezigqwesileyo zokufakelwa kwe-thermal kunye nombane.I-PTFE's mechanical properties iphantsi xa ithelekiswa nezinye iiplastiki zobunjineli, kodwa iipropati zayo zihlala kumanqanaba aluncedo kuluhlu olukhulu lobushushu (-100℃ ukuya ku-200℃, ngokuxhomekeke kwi-brand kunye nesicelo).
I-RTFE (Eyongeziweyo TFE/RPTFE)- Uluhlu oluqhelekileyo lobushushu luyi -60℃ ukuya kuma-232℃.I-RPTFE / RTFE idibaniswe nepesenti ekhethiweyo ye-fiber glass filler ukuphucula amandla kunye nokuchasana nokunxiba kwe-abrasive, ukuhamba okubandayo, kunye ne-permeation kwizihlalo ezibunjiweyo.Ukuqiniswa kuvumela isicelo kuxinzelelo oluphezulu kunye nobushushu kune-TFE engazaliswanga.I-RTFE akufuneki isetyenziswe kwizicelo ezihlasela iglasi, njenge-hydrofluoric acid kunye ne-caustics eshushu eshushu.
IKHABONI EZALISWE TFE- Uluhlu lobushushu yi -50 ℃ ukuya ku 260 ℃.I-TFE ezaliswe yikhabhoni sisixhobo esisemagqabini sokuhlala kwizicelo zomphunga kunye nolwelo olusekwe kwi-oyile esebenzayo.Izihluzi ezibandakanya igraphite zenza le nto yokuhlala ibe nobomi obungcono bomjikelo kunezinye izihlalo zeTFE ezizaliswe okanye eziqinisiweyo.Ukumelana nemichiza kuyalingana nezinye izihlalo ze-TFE.
TFM1600-TFM1600 yinguqulelo elungisiweyo ye-PTFE egcina iikhemikhali ezikhethekileyo kunye neepropati zokumelana nobushushu be-PTFE, kodwa ine-viscosity ephantsi kakhulu yokunyibilika. uluhlu lwenkonzo ye-TFM1600 yi -200℃ ukuya ku-260℃.
TFM1600+20%GF-TFM1600 + 20% GF yi-fiber glass reinforced version ye-TFM1600.Ngokufana ne-RTFE, kodwa ngenzuzo ye-TFM1600, inguqulelo ezaliswe yiglasi ibonelela ngoxhathiso olukhulu lwe-abrasion kwaye iphucula uzinzo kuxinzelelo oluphezulu.
TFM4215- I-TFM4215 yi-electro graphitized carbon egcwele izinto ze-TFM.Ikhabhoni eyongeziweyo iphucula ukuzinza kuxinzelelo oluphezulu kunye nokudibanisa ubushushu.
I-VITON(Fluorocarbon, FKM, okanye FPM)-Iqondo lobushushu lisuka kwi-29℃ ukuya kwi-149℃.I-Fluorocarbon elastomer ngokwendalo iyahambelana noluhlu olubanzi lweekhemikhali.Ngenxa yolu nxibelelwano lweekhemikhali olubanzi olubandakanya ugxininiso olukhulu kunye nobushushu, i-elastomer ye-fluorocarbon ifumene ukwamkelwa ngokubanzi njengesixhobo sokwakhiwa kwezihlalo zevalvu yesango. .Ilunge ngakumbi kwinkonzo ye-hydrocarbon.Umbala ungwevu (omnyama) okanye obomvu kwaye unokusetyenziswa kwimigca yephepha elifakwe iblitshi.I-Fluorocarbon(VITON) ayifanelekanga kwinkonzo yomphunga okanye yamanzi ashushu, nangona kunjalo, kwimo ye-o-ring inokwamkeleka kwimigca ye-hydrocarbon exutywe namanzi ashushu ngokuxhomekeke. kuhlobo/kuhlobo.Kwizixhobo zokuhlala, i-FKM inokubonelela ngakumbi ngokumelana nomenzi wokudibana namanzi ashushu.
PEEK-Polyetheretherketone-high pressure semi-rigid elastomer.Ifaneleke kakhulu kuxinzelelo oluphezulu kunye nenkonzo yobushushu.Kwakhona inika ukumelana nomhlwa okuhle kakhulu.Iqondo lobushushu -56.6℃ ukuya kuma-288℃.
DELRIN/POM-Izitulo ezikhethekileyo zeDelrin ezinikezelwa ngoxinzelelo oluphezulu kunye nenkonzo yokushisa ephantsi.Ingasetyenziselwa emoyeni ophezulu, ioli kunye nezinye imidiya yegesi kodwa ayifanelekanga i-oxidizing eqinile.Iqondo lokushisa-50℃ ukuya kwi-100℃.
INYLON/DEVLON-Izihlalo zeNylon (polyamide) zinikezelwa ngoxinzelelo oluphezulu kunye nenkonzo yokushisa ephantsi.Zingasetyenziswa kubushushu obuphezulu bomoya, i-oyile kunye nezinye imidiya yegesi kodwa aziyifanelanga i-oxidizing eyomeleleyo.Iqondo lobushushu -100℃ ukuya kwi-150℃.I-Devlon ineempawu zokufunxwa kwamanzi aphantsi kwexesha elide, ukumelana noxinzelelo oluqinileyo kunye nokubuyiswa komlilo okulungileyo.I-Devlon isetyenziswa ngokubanzi kwimibhobho yeoli kunye negesi yendalo phesheya kwiklasi yevalve ye-trunnion 600 ~ 1500lbs.
Ihlelwe liqela leendaba :sales@ql-ballvalve.comwww.ql-ballvalve.com
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Ixesha lokuposa: Oct-26-2022