Iinkqubo zamanzi zifuna izisombululo eziqinileyo, ezisebenzayo nezithembekileyo.Ivalvu yesango le-PPRIjonga zonke ezi bhokisi, nto leyo eyenza ukuba ibe lolona khetho lubalaseleyo kwiiplambi zanamhlanje. Ukuqina kwayo kunye nokusebenza kwayo kuxhaswa zizibalo ezimangalisayo:

1. Iyamelana noxinzelelo olungaphezulu kwe-5 MPa, iqinisekisa amandla okubetha.
2. Isebenza kakuhle kumaqondo obushushu afikelela kwi-100°C.
3. Ibonelela ngobomi beminyaka engama-50 nangaphezulu, ihlangabezana nemigangatho yehlabathi.

Ezi mpawu ziqinisekisa ukusebenza kakuhle, ingxolo ephantsi, kunye nesantya sokuhamba kakuhle—iimpawu eziphakamisa ukusebenza kakuhle kwenkqubo yamanzi kunye nentuthuzelo.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Iivalvu zesango le-PPR ziqinile kwaye zinokusebenza iminyaka engama-50. Ziyi-ukhetho oluthembekileyo kwiinkqubo zamanzi.
• Ezi valve zikhuselekile kwaye zicocekile, zigcina amanzi okusela engenazo iikhemikhali eziyingozi.
• Iivalvu zesango le-PPR zigcina ubushushu ngaphakathi, zigcina amandla kwaye zinceda okusingqongileyo.

Iimpawu ezikhethekileyo zeevalvu zesango le-PPR

Iingenelo zezixhobo zePPR

Izinto ezisetyenziswa kwiivalvu zesango le-PPR ziyazahlula kwiindlela zemveli. I-Polypropylene random copolymer (PP-R) inika indibaniselwano eyahlukileyo yokhuseleko, ukuqina, kunye nokusebenza kakuhle. Ayinabungozi kwaye icocekile, nto leyo eyenza ukuba ilungele iinkqubo zamanzi okusela. Ngokungafaniyo neevalvu zesinyithi, ayidli okanye ikhuphe izinto eziyingozi emanzini.

Izinto zePP-R zikwagqwesile ekumelaneni nobushushu. Ziyakwazi ukumelana nobushushu obufikelela kuma-95°C, nto leyo eyenza ukuba zilungele imibhobho yamanzi ashushu. Ukuqhuba kwayo ubushushu kuphantsi kakhulu kunentsimbi, nto leyo enceda ukugcina ubushushu nokunciphisa ukusetyenziswa kwamandla. Olu phawu luluncedo ngakumbi kwiinkqubo zokufudumeza apho ukusebenza kakuhle kwamandla kubalulekile.

Nantsi ingqwalasela emfutshane yeenzuzo zezinto ze-PPR:

Inzuzo	Inkcazo
Ayinabungozi kwaye ayicocekanga	Yenziwe ngekhabhoni nehayidrojini, iqinisekisa ukuba akukho zinto zinobungozi, ifanelekile kwiinkqubo zamanzi okusela.
Ukugcinwa kobushushu kunye nokonga amandla	Ukuqhuba kobushushu kuphantsi kakhulu kunentsimbi, nto leyo ephucula ukusebenza kakuhle kwamandla.
Ukumelana nobushushu okungcono	Iyakwazi ukumelana namaqondo obushushu afikelela kwi-95℃, ifanelekile kwiinkqubo zamanzi ashushu.
Ubomi benkonzo ende	Ubomi obulindelekileyo budlula iminyaka engama-50 phantsi kweemeko eziqhelekileyo, mhlawumbi ngaphezulu kweminyaka eli-100 kumaqondo obushushu aqhelekileyo.
Ukufakela okulula kunye noqhagamshelo oluthembekileyo	Ukusebenza kakuhle kwe-welding kuvumela ukufakwa okulula kunye namalungu aqinileyo.
Izinto zingaphinda zisetyenziswe	Inkunkuma ingacutshungulwa kwaye isetyenziswe kwakhona kwimveliso ngaphandle kokubeka umgangatho esichengeni.

Ezi mpawu zenzaIivalvu zesango le-PPRlukhetho olukrelekrele kuye nabani na ofuna ukuphucula iinkqubo zakhe zamanzi.

Iingenelo zoYilo lweNkqubo zamanzi

Uyilo lweevalvu zesango le-PPR lulungiselelwe iimfuno zanamhlanje zombhobho. Ulwakhiwo lwazo olukhaphukhaphu lwenza ukuphathwa nokufakelwa kube lula xa kuthelekiswa neevalvu zesinyithi ezinkulu. Ezi valve zenzelwe ukubonelela ngokuhamba kwamanzi okuthambileyo, ukunciphisa ingxolo nokuqinisekisa uxinzelelo oluqhubekayo.

Olunye uphawu olubalaseleyo luyilo lwazo olungavuziyo. Ukusebenza kakuhle kokuwelda kwezinto ze-PPR kuqinisekisa uqhagamshelo oluqinileyo olungayi kusilela ngokuhamba kwexesha. Olu kuthembeka lubalulekile kuzo zombini iindawo zokuhlala kunye nezoshishino apho iinkqubo zamanzi kufuneka zisebenze ngaphandle kokuphazamiseka.

Iivalvu zesango le-PPR nazo ziza ngobukhulu obahlukeneyo, nto leyo ezenza zibe luncedo kwiintlobo ezahlukeneyo zemibhobho. Nokuba yinkqubo encinci yasekhaya okanye iseti enkulu yemizi-mveliso, ezi valve zingena kakuhle kuyilo.

Ukufakwa kobushushu kunye nokusebenza kakuhle kwamandla

Ukufakwa kobushushu ngomnye weempawu ezimangalisayo zeevalvu zesango le-PPR. Ngombane oqhuba ubushushu we-0.21 W/mK kuphela, zinciphisa kakhulu ukulahleka kobushushu xa kuthelekiswa neevalvu zesinyithi zendabuko. Le propati inceda ukugcina ubushushu bamanzi kwiinkqubo zamanzi ashushu, igcina umbane kwaye inciphisa iindleko zeenkonzo.

Ukusebenzisa amandla kakuhle akupheleli nje ekongeni imali—kukwakho nozinzo. Ngokunciphisa ukulahleka kobushushu, iivalvu zesango ze-PPR zinegalelo kwizenzo zokwakha eziluhlaza. Zihambelana nemfuno ekhulayo yezisombululo ezinobuhlobo nokusingqongileyo ekwakheni nasemibhobhoni.

Ukongeza, amandla ezi valivu okumelana namaqondo obushushu aphezulu aqinisekisa ukuba zisebenza kakuhle kwiindawo ezixineneyo. Nokuba yinkqubo yokufudumeza yokuhlala okanye umbhobho wamanzi ashushu orhwebo, ii valivu zesango le-PPR zibonelela ngokusebenza okuthembekileyo ngelixa zigcina ukusetyenziswa kwamandla kuphantsi kolawulo.

Iingenelo Ezisebenzayo Zeevalvu Zesango zePPR

Ulawulo lokuhamba komoya oluthembekileyo

Inkqubo yamanzi ethembekileyo ixhomekeke kulawulo lokuhamba kwamanzi olugudileyo noluhambelanayo. Ivalvu yesango le-PPR igqwesile kule ndawo, ngenxa yoyilo lwayo oluphambili kunye neempawu zezinto ezibonakalayo. Iindonga zayo zangaphakathi ezigudileyo zinciphisa ukungqubana, zivumela amanzi ukuba ahambe ngokukhululekileyo ngaphandle kokuvaleka. Olu phawu aluqinisekisi nje kuphela uxinzelelo lwamanzi oluzinzileyo kodwa lukwanciphisa nokulahleka kwamandla ngexesha lokusebenza.

Ukusebenza kwevalvu nge-hydraulic yenye into ebalaseleyo. Uyilo lwayo luthintela ukuqokelelana kweediphozithi, nto leyo egcina inkqubo isebenza kakuhle ngokuhamba kwexesha. Nokuba yinkqubo yemibhobho yokuhlala okanye iseti enkulu yezorhwebo, ivalvu yesango le-PPR inika ulawulo lokuhamba kwamanzi oluthembekileyo.

Nantsi inkcazelo emfutshane yokusebenza kolawulo lokuhamba kwayo:

Imilinganiselo yokusebenza	Inkcazo
Ukumelana nobushushu obuphezulu	Ubushushu obuphezulu obusebenzayo obuhlala ixesha elide bufikelela kwi-70°C; ubushushu obufutshane bufikelela kwi-95°C.
Amandla okuhamba okuphezulu	Iindonga zangaphakathi ezithambileyo zikhokelela ekulahlekelweni koxinzelelo oluphantsi kunye nokuhamba komthamo okuphezulu.
Ubomi obude	Ubomi benkonzo obulindelekileyo obungaphezulu kweminyaka engama-50 phantsi kweemeko eziqhelekileyo.
Iindleko zokufaka ezisezantsi	Ilula kwaye kulula ukuyiphatha, nto leyo enciphisa iindleko zokufakela iyonke.
Ukusebenza kakuhle kweHydraulic	Ulusu lwangaphakathi oluthambileyo luthintela ukwakheka, nto leyo eqinisekisa ukuhamba kakuhle kwamanzi.
Ukumelana neekhemikhali	Ayimelani nokugqwala okuvela kumhlaba orhabaxa nonosawoti kunye nokungcola kwamanzi amdaka.

Ezi mpawu zenza ivalvu yesango le-PPR ibe lolona khetho luphezulu kuye nabani na ofuna ulawulo lokuhamba kwamanzi oluthembekileyo nolusebenzayo.

Uxinzelelo Oluphezulu kunye nokumelana nobushushu

Iinkqubo zamanzi zihlala zijongene neemeko ezinzima, ezinje ngoxinzelelo oluphezulu okanye amaqondo obushushu aphezulu. Ivalvu yesango le-PPR yakhelwe ukujongana nale mingeni ngokulula. Ulwakhiwo lwayo oluqinileyo luyivumela ukuba iqhubeke nokusebenza nokuba phantsi kweemeko ezinzima.

Uvavanyo loxinzelelo kunye nobushushu luqinisekisa ukumelana kwayo okumangalisayo. Umzekelo, kwi-20°C, ivalvu inokumelana noxinzelelo olufikelela kwi-30.0 MPa kwiinkqubo ezilinganiswe yi-PN10. Kwanakwiqondo lobushushu eliphezulu, njenge-75°C, isebenza ngokuthembekileyo, igcina umlinganiselo woxinzelelo we-12.3 MPa kwiinkqubo ze-PN10.

Nantsi inkcazo eneenkcukacha yokusebenza kwayo phantsi kweemeko ezahlukeneyo:

Ubushushu	I-PN10	PN12.5	I-PN16	I-PN20
20℃	30.0	23.8	18.9	15.0
40℃	21.2	17.1	12.4	9.2
50℃	18.3	14.5	10.5	8.2
60℃	15.4	12.2	/	/
75℃	12.3	9.9	/	/

Olu nqanaba lokuqina luqinisekisa ukuba ivalvu yesango le-PPR inokusingatha ukusetyenziswa kwemihla ngemihla kunye neemeko ezigqithisileyo, nto leyo eyenza ukuba ibe lukhetho oluthembekileyo kwiinkqubo zamanzi.

Iimpawu Ezingenako Ukuvuza Nezococeko

Ukuvuza kwamanzi kunokuphazamisa iinkqubo zamanzi kwaye kukhokelela ekulungisweni okubiza kakhulu. Ivalvu yesango le-PPR iyayisusa le ngxaki ngenxa yayouyilo olungenako ukuvuzaUkusebenza kwayo ngokuwelda kuqinisekisa uqhagamshelo oluqinileyo nolungenamthungo oluhlala lukhuselekile ngokuhamba kwexesha. Olu kuthembeka lubaluleke kakhulu kwiinkqubo apho ukuhamba kwamanzi okungaphazamisekiyo kubaluleke kakhulu.

Ukongeza ekubeni ingavuzi, ivalvu ikwacocekile kakhulu. Yenziwe ngezinto ezingenabungozi, ikhuselekile ukusetyenziswa kwiinkqubo zamanzi okusela. Izinto ze-polypropylene random copolymer (PP-R) azidli okanye zikhuphe izinto eziyingozi emanzini. Oku kuyenza ibe lukhetho oluhle kakhulu kwiindawo apho umgangatho wamanzi ubaluleke kakhulu.

Ukudibana kokuthembeka okungenako ukuvuza kunye neempawu zococeko kwenza ivalvu yesango le-PPR ibe lukhetho olubalaseleyo kwiinkqubo zamanzi zasemakhaya kunye nezorhwebo. Inika uxolo lwengqondo ngelixa iqinisekisa ukhuseleko kunye nokusebenza kakuhle kwenethiwekhi yemibhobho.

Ixabiso lexesha elide leeValve zeSango lePPR

Ukuqina Okumangalisayo kunye nexesha lobomi

Iivalvu zesango le-PPR zakhiwe ukuze zihlale ixesha elide. Ukuqina kwazo kuqinisekiswe ngovavanyo oluqatha kunye nemigangatho yamazwe ngamazwe. Umzekelo, i-ISO/TR9080-1992 kunye ne-DIN16892/3 ziqinisekisa ukuba ezi valve zisebenza ngokuthembekileyo ukuya kuthi ga kwiminyaka engama-50 phantsi kweemeko zokusebenza eziqhubekayo. Ngobukhulu obufanelekileyo kunye novavanyo loxinzelelo, zinokudlula eli xesha lobomi kubushushu begumbi.

Olu bude bexesha elide lubenza babe lutyalo-mali olukrelekrele kwiinkqubo zamanzi. Ngokungafaniyo neevalvu zemveli ezinokufuna ukutshintshwa rhoqo, iivalvu zesango le-PPR zibonelela ngoxolo lwengqondo ngobomi bazo obude benkonzo. Nokuba zisetyenziswa kwiindawo zokuhlala okanye zorhwebo, ziqinisekisa ukusebenza rhoqo kwiminyaka emininzi.

Iindleko zoLondolozo kunye nezokusebenza eziphantsi

Iivalvu zesango le-PPR zenzelwe ukunciphisa iimfuno zolondolozo. Ubuso bazo obuthambileyo bangaphakathi buphucula ukuhamba kolwelo, bunciphisa ukusetyenziswa kwamandla ngexesha lokusebenza. Oku kusebenza kakuhle kuthetha ukunciphisa iindleko zeenkonzo ngokuhamba kwexesha. Ukongeza, izinto zabo ezingamelaniyo nokugqwala zisusa isidingo sokulungiswa okubizayo okubangelwa kukugqwala okanye ukuguguleka.

Ukufakelwa kwayo kukhawuleza kwaye kulula, konga ixesha kunye neendleko zomsebenzi. Ezi valve ziza newaranti yeminyaka eli-10, nto leyo egxininisa ngakumbi ukuthembeka kwazo. Ngokunciphisa iindleko zokugcina kunye nezokusebenza, ii valve zesango zePPR zibonelelaisisombululo esingabizi kakhulukwiinkqubo zamanzi.

Izixhobo Ezinobuhlobo Nokusingqongileyo Nezizinzileyo

Uzinzo luphawu oluphambili lweevalvu zesango le-PPR. Zenziwe nge-polypropylene random copolymer ephinda isetyenziswe, zihambelana neendlela zokwakha ezinobuhlobo nokusingqongileyo. Nayiphi na inkunkuma eveliswa ngexesha lokuveliswa inokusetyenziswa kwakhona, nto leyo enciphisa impembelelo kwindalo esingqongileyo.

Ezi valve zikwanegalelo ekusebenziseni kakuhle amandla. Ukuqhuba kwazo ubushushu obuphantsi kunceda ukugcina ubushushu kwiinkqubo zamanzi ashushu, kunciphisa ukusetyenziswa kwamandla. Ukukhetha iivalvu zesango le-PPR kuthetha ukukhetha ikamva eliluhlaza nelizinzileyo.

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Iivalvu zesango le-PPR zibonelela ngomxube ophumelelayo wezixhobo eziphambili, uyilo olukrelekrele, kunye nokusebenza okuhlala ixesha elide. Zenzelwe ukujongana neemfuno zeenkqubo zamanzi zasemakhaya nezamashishini. Nokuba kukuqina, ukonga iindleko, okanye ukusebenza kakuhle, ezi valve zijonga ibhokisi nganye. Nabani na ophucula inkqubo yakhe yamanzi, ivalvu yesango le-PPR lukhetho oluthembekileyo.

FAQ

Yintoni eyenza iivalvu zesango le-PPR zibe ngcono kuneevalvu zesinyithi?

Iivalvu zesango le-PPR ziyamelana nokugqwala, zibonelela ngobushushu obungcono, kwaye zihlala ixesha elide. Uyilo lwazo olukhaphukhaphu lukwayenza lula indlela ezifakwa ngayo xa kuthelekiswa neevalvu zesinyithi esinzima.

Ngaba iivalvu zesango le-PPR zingaphatha iinkqubo zamanzi ashushu?

Ewe! Zimelana namaqondo obushushu afikelela kwi-95°C, nto leyo eyenza ukuba zilungele imibhobho yamanzi ashushu kunye neenkqubo zokufudumeza.

Ngaba iivalvu zesango zePPR zinobuhlobo nokusingqongileyo?

Ewe kona! Zenziwe ngezinto ezinokuphinda zisetyenziswe, zinciphisa inkunkuma kwaye zixhasa iindlela zokwakha ezizinzileyo. Uyilo lwazo olusebenzisa amandla kakuhle lukwanceda ukonga izixhobo.