Kwihlabathi elintsonkothileyo leenkqubo zokulawula ulwelo, ukusebenza kunye nokusebenza kakuhle kweevalvu zebhabhathane kuxhomekeke kakhulu ekukhetheni izixhobo zezihlalo zevalvu. Eli nqaku lihlolisisa umahluko phakathi kwezinto ezimbini eziphambili ezisetyenziswa kwezi zicelo: PTFE kunye ne-EPDM. Siza kuphonononga iipropathi zabo ezithile, usetyenziso, kunye nokufaneleka kwiindawo ezahlukeneyo zemizi-mveliso.
Isingeniso kwiZitulo zeValve: PTFE kunye ne-EPDM
● Isishwankathelo seZitulo zeValve kwizicelo zoShishino
Izihlalo zevalvu zizinto ezibalulekileyo ekusebenzeni kweevalvu zebhabhathane, ezidlala indima ebalulekileyo ekutywineni nasekuqinisekiseni ukuba isivalo sisebenza ngokufanelekileyo. Ukuqulunqwa kwezinto zabo kuchaphazela ngokuthe ngqo ukusebenza kwabo, ixesha elide, kunye nokufaneleka kwezicelo ezahlukeneyo zemizi-mveliso. I-PTFE (i-Polytetrafluoroethylene) kunye ne-EPDM (i-Ethylene Propylene Diene Monomer) ziphakathi kwezinto ezisetyenziswa kakhulu ngenxa yeempawu zabo ezahlukileyo.
● Ukubaluleka Kokukhetha Izinto
Ukukhetha isitulo esifanelekileyo sevalve kubalulekile ekuqinisekiseni ukusebenza kwevalvu ngeyona ndlela kunye nokusebenza kakuhle kwenkqubo. Izinto eziphathekayo kufuneka zimelane neemeko ezithile zokusebenza kwaye zibambe iintlobo ezithile zamanzi okanye iigesi ezidibana nazo kwinkqubo. Kulo mongo, ukuqonda iipropati kunye nokusetyenziswa kwe-PTFE kunye ne-EPDM kuba yinto ebalulekileyo kuye nabani na obandakanyekayo kwi-teknoloji yokulawula ulwelo.
Ukubunjwa kwezinto eziphathekayo kunye neePropati ze-PTFE
● Ubume beMichiza kunye neempawu ze-PTFE
I-PTFE yifluoropolymer yokwenziwa eyaziwa ngokumangalisayo ukungenzi-reactivity, uzinzo oluphezulu lwe-thermal, kunye nokukhuhlane okuphantsi. Oku kudityaniswa kweepropati kwenza i-PTFE ibe yimathiriyeli efanelekileyo yezihlalo zevalvu kwizicelo ezibandakanya iikhemikhali ezinobundlobongela kunye nobushushu obugqithisileyo. Ubume bayo beekhemikhali bubonelela ngokumelana neekhemikhali ezingenakuthelekiswa nanto, okwenza ukuba ikhuseleke kwizinto ezitshabalalisayo ezinokuthi zithobe ezinye izinto.
● Ukuxhathisa kweqondo lobushushu kunye noKuhlala ixesha elide
Enye yezinto ezibalaseleyo ze-PTFE kukukwazi ukugcina ukusebenza kumaqondo obushushu aphezulu. I-PTFE inokumelana namaqondo obushushu ukuya kuthi ga kwi-260°C, iyenze ilungele iindawo apho uguquko lobushushu lubalulekile. Oku kuqina kuqinisekisa ubomi obude kwaye kunciphisa imfuno yokugcinwa rhoqo, kubalulekile ukugcina imisebenzi eqhubekayo kwiindawo ezifunayo.
Ukubunjwa kwezinto eziphathekayo kunye neePropati ze-EPDM
● Ubume beMichiza kunye neempawu ze-EPDM
I-EPDM luhlobo lwerabha yokwenziwa ene-elasticity egqwesileyo kunye nokumelana neemeko ezahlukeneyo zemozulu. Ubume bayo beekhemikhali buvumela i-EPDM ukuba yenze ngokugqwesileyo kwiindawo apho ukuvezwa kwamanzi, umphunga, kunye neentlobo zeekhemikhali zihlala zihlala khona. Le propathi iyenza ibe lukhetho oluguquguqukayo kwizicelo ezininzi zamashishini.
● Ukunganyangeki kwamanzi kunye neempawu zokulula
Ukuchasana kwe-EPDM kumanzi kunye ne-steam ayinakulinganiswa, okwenza kube luncedo ngakumbi kwizicelo ezifana nokunyangwa kwamanzi kunye neenkqubo ze-HVAC. I-elasticity yayo inika isitywina esilungileyo, esivumela ukungahambi kakuhle okuncinci kwisihlalo sevalve, enegalelo ekuqina kwayo kunye nokuthembeka kwiinkqubo eziguquguqukayo.
Ukusebenza kwiiNdawo ezinobuNgqongileyo beMichiza
● Ukufaneleka kwe-PTFE kwiMichiza eNcinci
Ukumelana neekhemikhali okukhethekileyo kwe-PTFE kuyenza ihambe-kwizinto ezisingqongileyo eziphethe iikhemikhali ezinobundlobongela. Le propati iqinisekisa ukuba izihlalo ze-valve ze-PTFE zinokugcina ingqibelelo kunye nokusebenza nangona ziphantsi kweenkqubo zemichiza ezibukhali, ezibaluleke kakhulu kumashishini afana nokucwangciswa kweekhemikhali kunye neoli kunye negesi.
● Unyino lwe-EPDM kwi-Chemical Exposure
Ngelixa i-EPDM ixhathisa kakhulu kumanzi kunye nomphunga, ukusebenza kwayo kunokuphazamiseka kwiindawo ezibandakanya iikhemikhali ezinobungozi kakhulu. Ayinikezeli kwinqanaba elifanayo lokumelana neekhemikhali njenge-PTFE, ethintela ukusetyenziswa kwayo kwimimiselo engaphantsi kweekhemikhali.
UkuPhathwa koBubushushu bezakhono ze-PTFE
● Phezulu-Ubushushu bezicelo ze-PTFE
Uzinzo oluluqilima lwe-thermal lwe-PTFE luyenza ibe lukhetho olugqwesileyo kwizicelo eziphezulu - zobushushu. Kungakhathaliseki ukuba kwizityalo zemichiza okanye kumashishini okulungisa ukutya, amandla e-PTFE okusingatha amaqondo okushisa agqithisileyo ngaphandle kokulahlekelwa ukunyaniseka kwesakhiwo kuqinisekisa ukuba izihlalo zevalve zihlala zisebenza kwaye zithembekile.
● Ukuthelekisa kunye ne-EPDM ye-Temperature Range
I-EPDM, ngelixa i-versatile, inomlinganiselo ophantsi wokushisa xa kuthelekiswa ne-PTFE. Ngokuqhelekileyo imelana namaqondo obushushu ukuya kwi-120 ° C, nto leyo eyenza ukuba ingalungeli kakhulu kwizicelo ezibandakanya ukushisa okuphezulu. Nangona kunjalo, kwimimiselo yokushisa ephakathi, i-EPDM inikeza ukusebenza okwaneleyo.
Usetyenziso olufanele iZitulo zeValve ye-EPDM
● I-EPDM kwiiNkqubo zaManzi kunye ne-Steam
Ukomelela kwe-EPDM kumanzi kunye nokuvezwa komphunga kwenza ukuba kuxabiseke kakhulu kwiinkqubo apho ezi zinto ziphambili. Oku kubandakanya usetyenziso olunjengolawulo lwamanzi, iinkqubo zeHVAC, kunye namanye amashishini apho ubukho bobumanzi buhlala buhleli.
● Izinto eziluncedo kwindawo engeyiyo - yeMichiza
Ngaphandle kwamanzi kunye ne-steam, ukuguquguquka kwe-EPDM kunye nokuqina kwenza ukuba ilungele uluhlu lweendawo ezingezizo zemichiza apho itywina elithembekileyo libalulekile. Ukunwebeka kwayo kunye nokumelana neemeko zokusingqongileyo njengemitha ye-UV yongeza ukuguquguquka kwayo.
Ukuthelekisa ukuguquguquka kunye nokuguquguquka
● Ukuguquguquka kwe-EPDM kwiiNkqubo zeDynamic
I-EPDM inikezela ukuguquguquka okukhulu kune-PTFE, enokuba luncedo kwiinkqubo eziphantsi kwee-vibrations okanye ukunyakaza. Ukukwazi kwayo ukwenza ukonakala ngaphandle kokulahlekelwa amandla okutywina kwenza i-EPDM ibe lukhetho olusebenzayo kwizicelo ezahlukeneyo zemizi-mveliso.
● Ubungqongqo be-PTFE kunye neemeko zokusetyenziswa ngokuthe ngqo
Ngaphandle kokuguquguquka okuncinci, ubulukhuni be-PTFE buluncedo kwizicelo ezifuna ukuchaneka okuphezulu kunye nokuzinza. Umphezulu wayo ongasiyo intonga kunye nokukhuhlana okuphantsi kukwanegalelo ekusetyenzisweni kwayo okuhlukileyo kwiinkqubo ezikhethekileyo zoshishino.
IiNdleko kunye neeNgqwalasela zoLondolozo
● Ixesha elide-Iindleko zeXesha leMathiriyeli zombini
Xa uvavanya i-PTFE kunye ne-EPDM, ukuqwalaselwa kweendleko kubaluleke kakhulu. Ngelixa i-PTFE iyalela ixabiso lokuqala eliphezulu ngenxa yeepropathi zayo kunye nenkqubo yokwenziwa, ukuqina kwayo kunokutolika kulondolozo lwexesha elide ngokutshintshwa rhoqo kunye nokulungiswa. I-EPDM, ukuba yindleko ephezulu-esebenzayo ngaphambili, iseyindlela enokwenzeka yezicelo apho iipropati zayo zihambelana neemfuno zenkqubo.
● IiMfuno zoLondolozo kunye nexesha lokuphila
Isondlo yenye into ebalulekileyo. Ukuxhathisa kwe-PTFE kumhlwa kunye nokunxiba kunciphisa ukugcinwa rhoqo kwaye kuphucule ubomi bubonke bezihlalo zevalvu. I-EPDM ikwabonelela ngobomi obude kodwa inokufuna ukujongwa rhoqo rhoqo kwiindawo ezisebenza ngamachiza ukuqinisekisa ukuthembeka okuqhubekayo.
Ukhuseleko kunye nokuThobela ekuSetyenzisweni kweShishini
● Imigaqo yoKhuseleko ye-PTFE kunye ne-EPDM
Zombini i-PTFE kunye ne-EPDM kufuneka zihambelane nemigaqo engqongqo yokhuseleko loshishino, ziqinisekise ukuba zifanelekile izicelo ezisetyenziswa kuzo.
● IMigangatho yoShishino kunye neSiqinisekiso
Abavelisi be-PTFE kunye nezixhobo ze-EPDM kufuneka bahambelane nemigangatho yoshishino kwaye bafumane izatifikethi eziqinisekisa umgangatho kunye nokusebenza kweemveliso zabo kwiindawo ezahlukeneyo zoshishino. Oku kuqinisekisa ukuba abasebenzisi bokugqibela bafumana iimveliso ezihlangabezana nemilinganiselo yokusebenza efunekayo.
Isiphelo: Ukukhetha phakathi kwe-PTFE kunye ne-EPDM
● Isigqibo-Ukwenza iMiba yokuKhetha iSitulo seValve
Xa uthatha isigqibo phakathi kwe-PTFE kunye ne-EPDM yezihlalo zevalve, izinto ezininzi kufuneka ziqwalaselwe: uhlobo lwemidiya elawulwayo, udidi lobushushu obusebenzayo, ukunyanzeliswa kweendleko, kunye neemfuno ezithile zesicelo soshishino.sanitary epdm+ptfe compound butterfly valve seats zibonelela ngesisombululo esidityanisiweyo esisebenzisa ezona mpawu zibalaseleyo zazo zombini izixhobo, zibonelela ngokhetho oluguquguqukayo kwiimfuno ezahlukeneyo zamashishini.
● Iingcebiso ezisekelwe kwiiMfuno zeSicelo
Ekugqibeleni, ukhetho phakathi kwe-PTFE kunye ne-EPDM luya kuhla kwiimfuno ezithile zesicelo. Kwiindawo ezinobukroti bekhemikhali ezinemfuno zobushushu obuphezulu, i-PTFE ayifani. Ukusetyenziswa okubandakanya amanzi, umphunga, okanye kufuna ukuqina okuphezulu, i-EPDM ihlala ifanelekile kakhulu.
Intshayelelo yeNkampani:Iiplastiki zeSansheng Fluorine
I-Sansheng Fluorine Plastics, ebekwe kwiNdawo yoPhuhliso lwezoQoqosho kwiDolophu yaseWukang, e-Deqing County, kwiPhondo laseZhejiang, lishishini elihamba phambili ekuyilweni, kwimveliso, ekuthengisweni, nakwinkonzo yezisombululo zevalve eziphambili. Yasekwa ngo-Agasti ka-2007, inkampani yethu igxile ekwenzeni izitywina zezihlalo zefluorine eziphezulu-nobushushu obuphezulu kunye nezihlalo zeevalvu zococeko. Siqondwa ngokuyila kwethu kunye nokuzinikela kumgangatho, oxhaswa sisiqinisekiso se-ISO9001. KwiSansheng Fluorine Plastics, siyazingca ngokukwazi kwethu ukuphuhlisa iimolds ezintsha kunye nokwenza iimveliso ngokwezifiso ukuhlangabezana neemfuno ezithile zabathengi bethu kwihlabathi jikelele.
Ixesha lokuposa: 2024-10-31 17:31:04