Kutheni iBrass iyinto eqhelekileyo kwiShishini kwi-nozzle yamanzi omlilo?

Kutheni Ukukhetha Izinto Zokuvula Amanzi Omlilo Kubalulekile

Ukukhethwa kwezinto ezisetyenziswaizixhobo zokucima umlilosisigqibo esibalulekileyo sobunjineli esichaza ukulungela ukusebenza, amaxesha okugcinwa, kunye nokusebenza kakuhle kwempendulo engxamisekileyo. I-nozzle yamanzi omlilo isebenza njengendawo yokugqibela yokuhanjiswa kolwelo kuyo nayiphi na inkqubo yokucinezela, ibeka izinto zokwakha phantsi kwamandla amakhulu e-hydraulic, ukuvezwa okunzima kokusingqongileyo, kunye nokuxhatshazwa kakhulu ngokomzimba.

Nangona ubunjineli banamhlanje buzise iindlela ezahlukeneyo zesinyithi ezenziweyo nezikhaphukhaphu, ukukhethwa kwezinto kuseyeyona nto iphambili exela ukuba i-nozzle iza kusebenza ixesha elingakanani. Iinjineli zokuthenga kufuneka zihlole izixhobo kungekuphela nje ngokwexabiso lazo lokuqala lokuthenga, kodwa nangokuzinza kwazo kwesinyithi, ukuqina koomatshini phantsi koxinzelelo, kunye nokungakhuseleki ekuwohlokeni kwendalo kwiminyaka emininzi yokulinda.

Impembelelo kwezorhwebo yokukhethwa kwezinto zombhobho

Ukuhlalutya iindleko zizonke zobunini (i-TCO) kubonisa ukuba ixabiso lokuqala lokuthenga limele kuphela i-15% ukuya kwi-20% yeendleko zomjikelo wobomi bombhobho wamanzi omlilo. Umbhobho oqhelekileyo wobhedu wemizi-mveliso uhlala ubiza inkcitho yokuqala yenkunzi ye-$80 ukuya kwi-$150, malunga ne-30% ukuya kwi-40% ephezulu kuneemodeli ze-aluminium ezikhutshiweyo ezifanayo. Nangona kunjalo, impembelelo yorhwebo ibonakala kumjikelo wokutshintsha kunye nokugcinwa kweendleko.

Iiyunithi zebrass zihlala zidlula iminyaka eli-15 ukuya kwengama-20 yenkonzo eqhubekayo kwiindawo zoshishino ezinzima. Ngokwahlukileyo koko, izinto ezikumgangatho ophantsi zinokufuna ukutshintshwa rhoqo emva kweminyaka emi-3 ukuya kwemi-5 ngenxa yokuguguleka komsonto, ukubola kwe-galvanic, okanye ukuguqulwa kwempembelelo. Ngaphezu koko, abaphathi beziko kufuneka baqwalasele iindleko zexesha lokungasebenzi kunye nokuthobela imithetho ye-inshurensi; ukungaphumeleli okukhulu komlomo wombhobho owonakeleyo ngexesha lomlilo kunokubangela izigidi zeerandi kwilahleko zorhwebo ezingenayo i-inshurensi kunye nezohlwayo eziqatha zomthetho.

Iinkcazo ze-nozzle yamanzi omlilo eziphambili

Ukuze zichaze ngokuchanekileyo izinto ezisetyenziswayo, iinjineli kufuneka ziqonde iinkcazo zesiseko ze-hydraulic ezilawula ukusebenza kwe-nozzle. Imigangatho yoxinzelelo lokusebenza idla ngokuqala kwi-75 PSI ukuya kwi-100 PSI kwiintambo ezisemgangathweni, kodwa izixhobo zomsinga ezisebenza nzima kunye neemonitha zemizi-mveliso zinokudlula rhoqo kwi-250 PSI. Izinto ezisetyenziswayo kufuneka zibe namandla aneleyo okutyhala ukumelana noxinzelelo oluqhumayo ngaphandle kokukhupha i-microscopic.

Amanqanaba okuhamba kwamanzi alinganiswa ngeeGaloni ngoMzuzu (i-GPM), kunye neempumlo zebrass eziqhelekileyo zoshishino ezihambisa ukuhamba okulinganisiweyo phakathi kwe-60 kunye ne-125 GPM. Iindlela zokuwohloka kwezinto, ezifana nokugqwala kwe-galvanic kunye ne-cavitation, ziinkcazo ezibalulekileyo kumaqela okuthenga. Ukugqwala kwenzeka xa uxinzelelo lolwelo olukwindawo ethile luhla ngaphantsi koxinzelelo lomphunga, okubangela ukuqhuma okuncinci okunokutshabalalisa izixhobo zempumlo ezingaphantsi ngesantya se-0.1mm ukuya kwi-0.5mm ngonyaka, okuphazamisa ngokungenakuphikiswa ipateni yokuhamba kwamanzi ecetywayo.

Kutheni iBrass iyisixhobo esiqhelekileyo soMbhobho wamanzi oMlilo

I-Brass igcine isikhundla sayo njengomgangatho ongathandabuzekiyo kushishino lwee-nozzles zamanzi omlilo ngenxa yokulinganisela okufanelekileyo kweempawu zoomatshini, ukusinda kobushushu, kunye noqoqosho lokuvelisa. Le nto ngokuyintloko yi-alloy ye-copper kunye ne-zinc, eyenzelwe ngokukodwa ukumelana nobunzima be-high-speed fluid dynamics kunye ne-extreme thermal shock.

Ukhuseleko kumlilo wemizi-mvelisoiinkqubo zixhomekeke kakhulu kwii-alloys zebrass eziqhelekileyo ezifana ne-C36000 (i-Free-Cutting Brass) kunye ne-C46400 (i-Naval Brass). Ezi ntlobo ze-metallurgical zibonelela ngokudibanisa okwahlukileyo koxinano, ukuzithambisa, kunye nokuqina kwesakhiwo apho ii-polymers zokwenziwa kunye neentsimbi ezikhaphukhaphu azinakuziphinda kwizicelo zokhuseleko lobomi.

Ukumelana nokubola kunye nolawulo lwe-dezincification

Ubhedu olutyheli oluqhelekileyo luqulathe malunga ne-61.5% yobhedu kunye ne-35.5% ye-zinc. Kwiindawo ezine-chemistry yamanzi anamandla, ukususwa kwe-zinc—inkqubo apho i-zinc iphuma ngokukhetha kwi-matrix ye-alloy, ishiya isakhiwo sobhedu esibuthathaka nesingenazo iimbobo—sibeka umngcipheko omkhulu wokusilela. Oku konakala kukhawuleziswa kwiinkqubo zamanzi ezimileyo kunye noxinzelelo lwe-chloride oludlula i-250 mg/L.

Ukulwa nolu buthathaka, ii-nozzles zamanzi omlilo eziphambili zisebenzisa ii-alloys ze-Dezincification Resistant (DZR) brass. Ezi nqanaba zikhethekileyo ziquka ubungakanani obuchanekileyo be-arsenic (0.02% ukuya kwi-0.10%) okanye i-antimony ukuzinzisa i-zinc matrix. Olu hlengahlengiso lwe-metallurgical luqinisekisa ukuba i-nozzle igcina ulungelelwaniso lwayo lwesakhiwo kunye nezakhono zokugcina uxinzelelo nokuba ichaphazeleka kumanzi anzima kamasipala okanye kwiindawo zokugcina amanzi zoshishino ezinganyangwanga kangangeminyaka emininzi.

Amandla oxinzelelo, ukumelana nempembelelo, kunye nokunyamezela ubushushu

Ukuqina koomatshini bebross kubalulekile kwiinkqubo zokucinezela uxinzelelo oluphezulu. Iialloy zebross eziqhelekileyo ezisetyenziswa ekwakheni i-nozzle zibonisa amandla okutsalwa ukusuka kwi-310 MPa ukuya kwi-450 MPa, zibonelela ngomda wokhuseleko okhethekileyo ngokuchasene nokutshayiswa ngequbuliso kwe-hydraulic kunye nemiphumo yehammer yamanzi edla ngokudlula i-300 PSI. La mandla okutsalwa athintela ukwanda okanye ukuqhuma komzimba we-nozzle ngexesha loxinzelelo lokuqala.

Ukumelana neempembelelo kunye nokunyamezela ubushushu zizinto ezibalulekileyo ngokulinganayo. Imigangatho ye-NFPA idla ngokufuna ukuba ii-nozzles zihlale ziphila ngamathontsi amaninzi kwikhonkrithi ukusuka kubude obufikelela kwiimitha ezili-1.8 (iimitha ezili-1.8). Ngelixa izinto ze-aluminiyam zinokuqhekeka kwaye ziguquguquke—zize zonakalise ngokukhawuleza ii-flow baffles zangaphakathi okanye ukubandakanyeka kwentambo—i-brass ifunxa amandla e-kinetic ngokuguquguquka okuncinci. Ngaphezu koko, i-brass ine-melting point emalunga ne-900°C ukuya kwi-940°C, ukuqinisekisa ukuba i-nozzle ayizukunyibilika okanye iguquguquke ngexesha le-flashover, ngokungafaniyo ne-aluminiyam enyibilika kwi-660°C kuphela.

Ukulungiswa, ukuzinza kobukhulu, kunye nokulungiswa

Ngokwembono yokuvelisa, i-C36000 free-cutting brass ibambe umlinganiselo we-machinability wehlabathi jikelele we-100%. Oku kuvumela amaziko oomatshini be-CNC ukuba afikelele kumlinganiselo oqinileyo kakhulu, rhoqo ngaphakathi kwe-±0.001 intshi. Ukuchaneka okunjalo kubaluleke kakhulu kwiiprofayili ze-machining ezintsonkothileyo ze-National Standard Thread (NST) kunye neendlela zokuhamba kwangaphakathi, ngaloo ndlela kunciphisa ukuxinana kolwelo kunye nokwandisa ukufikelela komlambo.

Ukuzinza kobukhulu bebhesi kuthetha ngokuthe ngqo ukulungiswa kwentsimi kunye nokuthembeka kokusebenza. Iimpawu zayo zokuzithambisa ezizimeleyo zithintela ukuqhekeka kwentambo—ingxaki eqhelekileyo apho ukungqubana kubangela ukuwelda okuncinci phakathi kweendawo zokudibana, okubonwa rhoqo xa kudityaniswa izinto zentsimbi engagqwaliyo phantsi koxinzelelo. Ukongeza, imilomo yebhesi inika ukulungiswa okuphezulu komjikelo wobomi; imisonto eyonakeleyo idla ngokulandelwa kwaye ibuyiselwe kusetyenziswa iimpompo eziqhelekileyo, nto leyo eyandisa ubomi benkonzo kwaye inciphise kakhulu iindleko zokugcinwa.

Izixhobo zoMbhobho wamanzi oMlilo ngokuchasene nezinye iindlela

Nangona ithusi lihlala liyimigangatho ebalaseleyo kwizicelo ezinzima, ubunjineli banamhlanje bokukhusela umlilo buhlala buvavanya ezinye izixhobo ukuze kuphuculwe iiparameter ezithile zokusebenza. Ukuqonda amandla kunye nobuthathaka obuthelekiswayo bezi zinto kubalulekile ekuchazeni izixhobo ezifanelekileyo kwiindawo zokusebenza ezikhethekileyo.

Itheyibhile yokuthelekisa izinto zokukhetha umlomo

Le matrix ilandelayo ichaza iindlela ezibalulekileyo zokusebenza kwethusi xa kuthelekiswa nezinye izinto eziqhelekileyo ezisetyenziswayoUkwenziwa kwemilomo yamanzi omlilo.

Apho ubhedu lusebenza ngcono kunezinye izinto

I-brass ihlala isebenza ngcono kunezinye izixhobo kwizakhiwo zoshishino ezinzima, kumasebe omlilo kamasipala, nakwiindawo zokusetyenziswa kwezixhobo apho izixhobo ziphathwa kakubi kwaye zigcinwa ixesha elide. Iimpawu zayo zokuzithambisa zinciphisa kakhulu umngcipheko wokuqhekeka kwemisonto, inzuzo ebalulekileyo yokusebenza xa abacimi-mlilo kufuneka baqhagamshele ngokukhawuleza iipayipi nezixhobo phantsi koxinzelelo olukhulu lwengqondo nolwenyama.

Uxinano oluqhelekileyo lwethusi (malunga ne-8.4 ukuya kwi-8.7 g/cm³) lubonelela ngenzuzo engaqhelekanga yokungahoywa kwizicelo ezisisigxina okanye ezinzima. Olu bunzima lunciphisa ingxolo yokungcangcazela kwe-hydraulic kunye ne-cavitation, lubonelela abaqhubi ngamandla okusabela kwe-nozzle azinzileyo kwaye aqikelelweyo xa bekhupha amanzi ngesantya esingaphezulu kwe-100 feet ngomzuzwana. Olu zinzo kunzima ukulufezekisa ngeepolymers ezilula kakhulu okanye i-aluminium enodonga oluncinci.

Ukukhetha nini i-aluminium, intsimbi engagqwaliyo, ibronzi, okanye i-composite

Nangona ithusi lisetyenziswa kakhulu, imida ethile yokusebenza ilawula ukusetyenziswa kwezinye izinto. I-aluminium eqinileyo yeyona ndlela ikhethwayo yokucima umlilo endle nasemahlathini, apho abasebenzi kufuneka baphathe izixhobo kwiindawo ezinde; umlomo we-aluminium unobunzima obumalunga nesinye kwisithathu sexabiso lobhedu, nto leyo enciphisa kakhulu ukudinwa.

Intsimbi engagqwaliyo (ngesiqhelo i-316L) iba yimfuneko kwiindawo ezinobungozi kakhulu ze-petrochemical okanye kumaqonga aselunxwemeni apho ukuchatshazelwa kwii-asidi ezinzima okanye i-spray yetyuwa eqhubekayo kudlula amandla okukhusela e-DZR brass eqhelekileyo. I-bronze (i-alloy yobhedu kunye ne-tin) iyimfuneko kwizicelo zaselwandle ezigqithisileyo ngenxa yomxholo wayo we-zinc ophantse ube yi-zero, okususa umngcipheko wokususwa kwe-zinc ngokupheleleyo. Okokugqibela, iiplastiki ezidityanisiweyo (i-polycarbonate okanye i-nylon egcwele iglasi) zikhawulelwe kwiindawo zokuhlala ezinoxinzelelo oluphantsi okanye ezisetyenziswa kwezolimo apho uxinzelelo lokusebenza luhlala lungaphantsi kwe-75 PSI kwaye imiqathango engqongqo yohlahlo lwabiwo-mali iyalela ukuba ixabiso leyunithi lingaphantsi kwe-$20.

Iinkcukacha zeeNozzle zamanzi omlilo kunye nokuhlolwa kokuthobela imithetho

Ukuthenga umlomo wamanzi omlilo kufuna ukuthotyelwa ngokungqongqo kwimigangatho yokhuseleko yamazwe ngamazwe kunye neenkqubo zokuqinisekisa umgangatho ezingqongqo. Abathengi abanakuthembela kuphela kwimbonakalo ebonakalayo yecandelo lethusi; kufuneka baqinisekise ukuba iimveliso ezikhethiweyo ziyahlangabezana nemilinganiselo yokusebenza kunye neenkcukacha ezingqongqo zesinyithi.

Ukungaphumeleli ukuqinisekisa ezi nkcukacha ngexesha lokuthengwa kunokubangela ukuthengwa kwezixhobo ezikumgangatho ophantsi ezingasebenzi kakuhle phantsi koxinzelelo, nto leyo ebeka emngciphekweni ukhuseleko lobomi kunye nokungasebenzi kakuhle kwemigaqo-nkqubo yeinshorensi yesakhiwo.

Imigangatho, ukulinganiswa koxinzelelo, imicu, kunye neepateni zokuhamba

I-National Fire Protection Association (NFPA) 1964 Standard for Spray Nozzles ichaza imigangatho yokusebenza engqongqo, kuquka uvavanyo oluyimfuneko lwe-hydrostatic. Ii-nozzles ezithobelayo kufuneka zimelane noxinzelelo lwe-hydrostatic olufikelela kwi-900 PSI ngaphandle kokuqhekeka okanye ukuguquka okungapheliyo, kwaye zisebenze ngokungenasiphako kuxinzelelo lwazo lokusebenza olulinganisiweyo, ngesiqhelo i-100 PSI.

Iinkcukacha zentambo mazihambelane ngokungqongqo ne-NFPA 1963 okanye imigangatho efanayo yendawo, ukuqinisekisa ukusebenzisana okungenamthungo kunye nee-hydrants zikamasipala ezikhoyo kunye noqhagamshelo lwepayipi (umz., i-NH, i-NST, okanye i-NPSH). Ngaphezu koko, iipateni zokuhamba kwamanzi—eziqala kumlambo othe tye oqinileyo ukuya kwinkungu ebanzi ekhuselayo ye-120 degrees—kufuneka zilinganiswe ngokuchanekileyo ukuze zinike i-GPM echaziweyo ngaphakathi komda oqinileyo wokunyamezelana kwe-±5% kulo lonke uluhlu loxinzelelo.

Umgangatho we-alloy yebrass kunye nomgangatho wokuvelisa

Ukunyaniseka kwesinyithi kwe-alloy yobhedu yeyona nto iphambili ebangela umgangatho wokwenziwa kunye nobude bexesha. Iinkcukacha zokuthengwa kufuneka zichaze ngokucacileyo amanqanaba e-alloy amkelekileyo, njenge-C46400 (Naval Brass) yokumelana nokufuma okuphuculweyo okanye i-C37700 yezinto ezibunjiweyo ezinamandla aphezulu. Ukutshintsha ii-alloy zeprimiyamu nge-brass etshiphu, ene-lead ephezulu kuphazamisa kakhulu amandla oomatshini emveliso egqityiweyo.

Iiprotokholi zolawulo lomgangatho kwiziko lokuvelisa kufuneka zigunyazise uvavanyo lwe-optical emission spectrometer ukuqinisekisa ukwakheka kweekhemikhali, ukuqinisekisa ukuba amanqanaba e-zinc ahlala ngaphakathi komlinganiselo we-35% ukuya kwi-39% ukuthintela ukubhitya. Ngaphezu koko, abathengi kufuneka bachaze amazinga aphezulu okubhoboza kwimilomo yobhedu ephosiweyo, bedla ngokufuna izinga lokungasebenzi kakuhle kwevolumu elingaphantsi kwe-1% ukuthintela ukuvuza okuncinci kunye nokuqhekeka phantsi koxinzelelo oluphezulu lwe-hydraulic.

Iziqinisekiso zomboneleli kunye nolawulo lomngcipheko wokuthengwa

Ulawulo olusebenzayo lomngcipheko wokuthenga lufuna iziqinisekiso ezingqongqo zomthengisi ngaphambi kokuba akhuphe ii-odolo zokuthenga.I-ISO 9001:2015iziqinisekiso zolawulo lomgangatho kwaye ube nakho ukubonelela ngeeNgxelo zoVavanyo lweMpahla ze-EN 10204 Type 3.1 (MTRs) kwibhetshi nganye yemveliso, ukuqinisekisa ukulandeleka okupheleleyo ukusuka kwi-ingot eluhlaza ukuya kwi-nozzle egqityiweyo.

Xa kumiselwa imixokelelwane yokubonelela ngee-nozzles zethusi ezenziwe ngokwezifiso okanye ze-OEM, amaqela okuthenga kufuneka alindele ubungakanani obuncinci be-oda (ii-MOQ) ukusuka kwiiyunithi ezingama-500 ukuya kwi-1,000 zeendibano ezenziwe ngokwezifiso, kunye namaxesha aqhelekileyo okuvelisa athatha iiveki ezisi-8 ukuya kwezili-12. Ukwenza uhlolo oluzimeleyo lwangaphambi kokuthunyelwa kwempahla ngumntu wesithathu (kusetyenziswa ii-arhente ezifana ne-SGS okanye i-Bureau Veritas) kunciphisa umngcipheko wokufumana iimveliso ezingathobeliyo ezinokungaphumeleli kakhulu ngexesha lokuphendula ngokukhawuleza.

Indlela Abathengi Abafanele Bayikhethe Ngayo I-Brass Fire Water Nozzle

Ukukhetha eyona ifanelekileyoumlomo wamanzi omlilo wobheduifuna indlela ecwangcisiweyo elungelelanisa imali yokuqala kunye nokuthembeka kokusebenza kwexesha elide. Amaqela okuthenga kufuneka ahambe kwiindlela ezinzima zobunjineli ukuqinisekisa ukhuseleko oluphezulu, ukuthotyelwa kwemithetho, kunye nembuyekezo kutyalo-mali.

Ngokuyeka ukuthenga izinto ezisekelwe kwiimpahla kunye nokusebenzisa icebo lokuthenga elijolise kumjikelo wobomi, imibutho inokunciphisa kakhulu umthwalo wayo wokugcinwa kwexesha elide ngelixa iphucula ukulungela kwayo umlilo ngokubanzi.

Imatriki yesigqibo malunga nexabiso, iindleko zomjikelo wobomi, kunye nokusebenza

Le matrix yesigqibo ilandelayo ibonelela ngesakhelo sokulungelelanisa ukhetho lwe-alloy yobhedu kunye neendawo ezithile zokusetyenziswa, imijikelo yobomi elindelekileyo, kunye nezinto eziqwalaselwa yi-OPEX.

Amanyathelo okukhetha amaqela okuthenga

Amaqela okuthenga kufuneka enze inkqubo echanekileyo neyamanyathelo amane yokukhetha ukuqinisekisa ukusebenza kakuhle kwe-nozzle. Okokuqala, yenza uhlolo olupheleleyo lomthombo wamanzi wesakhiwo, ulinganise amanqanaba e-pH kunye noxinzelelo lwe-chloride ukuze kuqinisekiswe ukuba i-brass eqhelekileyo ye-C36000 yanele na okanye ukuba i-brass ekhethekileyo ye-DZR iyafuneka (icetyiswa kakhulu ukuba kubekho ukuvezwa rhoqo kumanqanaba e-chloride angaphezu kwama-200 mg/L).

Okwesibini, qinisekisa ukuhambelana komsonto neziseko zophuhliso zommandla ukuze uthintele ukulibaziseka kokusasazwa. Okwesithathu, bala izinga lokuhamba elifunekayo kunye noxinzelelo oluqhubekayo—ucacisa, umzekelo, i-flow nozzle engaguqukiyo elinganiswe ngokuchanekileyo kwi-95 GPM kwi-100 PSI. Okokugqibela, cela idatha yovavanyo oluvela kumenzi, kubandakanya iziqinisekiso zovavanyo lokuwa kweenyawo ezi-6 kunye neengxelo ze-valve ye-1,000-cycle actuation, ukuqinisekisa ukuqina koomatshini beevalvu zebhola zangaphakathi kunye neendlela zokulawula ukuhamba.

Xa ubhedu lolona khetho lubalaseleyo lwezinto eziphathekayo

I-brass iseyeyona nto ikhethwayo kwiindawo zokuvelisa izinto ezinzima, iimpompo zezakhiwo zorhwebo (iinkqubo zeClass I kunye neClass III), kunye nokufakwa komlilo kamasipala okungafunekiyo. Kwezi meko, izixhobo zokucima umlilo zinokuhlala zingasebenzi amashumi eminyaka kodwa kulindeleke ukuba zisebenze ngokungenasiphako kumthamo ophezulu ngexesha elifutshane.

Indibaniselwano eyahlukileyo yamandla aphezulu okutsalwa (ukuya kuthi ga kwi-450 MPa), ukumelana nobushushu obungenakuthelekiswa nanto (ukusinda kumaqondo obushushu aphakathi ukuya kuthi ga kwi-900°C), kunye nokuzikhusela ngokupheleleyo ekugayweni kwentambo kuqinisekisa ukuba umlomo wamanzi omlilo wobhedu unika ubomi obuthembekileyo obuhlala budlula iminyaka eli-15 ukuya kwengama-20. Kwiziko ezibeka phambili ukhuseleko lobomi, ukuthotyelwa kwemithetho engqongqo, kunye nokugcinwa okuncinci, ithusi elikumgangatho ophezulu libonelela ngesisombululo sobunjineli esingenakuthelekiswa nanto nesivavanyiweyo ixesha elide.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Iimpompo zamanzi omlilo webrass zihlala zisebenza iminyaka eli-15 ukuya kwengama-20 kwiindawo zoshishino ezinzima, zinciphisa ukutshintshwa rhoqo xa kuthelekiswa nezixhobo ezikumgangatho ophantsi ezinokuhlala iminyaka emi-3 ukuya kwemi-5 kuphela.
• Amaqela okuthenga kufuneka ahlole iindleko zizonke zobunini kuba ixabiso lokuqala lomlomo linokubalelwa kuphela kwi-15% ukuya kwi-20% yeendleko zomjikelo wobomi.
• Ii-nozzles eziqhelekileyo zesandla zihlala zisebenza kwi-75 ukuya kwi-100 PSI, ngelixa usetyenziso lwe-industrial monitor lunokudlula i-250 PSI, nto leyo eyenza ukuba amandla ezinto kunye nokuthembeka kwentambo kube yinto ebalulekileyo.
• Ii-alloy zebrass ezifana ne-C36000 kunye ne-C46400 zibonelela ngokulinganisela okusebenzayo kokuxhathisa ukugqwala, ukusebenza kakuhle koomatshini, uxinano, kunye nokuzinza koomatshini kwizixhobo zokhuseleko lobomi.
• Ukugalela amanzi kunye nokugqwala kunokonakalisa izixhobo zombhobho ongaphantsi nge-0.1 mm ukuya kwi-0.5 mm ngonyaka, oku kunokuphazamisa ukuhamba komoya okulinganisiweyo kunye neepateni zokutshiza.

Imibuzo ebuzwa qho

Kutheni ii-nozzles zamanzi omlilo zebrass zikhethwa kakhulu kuneemodeli ze-aluminium?

I-Brass inika ukumelana nokugqwala okunamandla, ukuqina okungcono kwemisonto, kunye nobomi benkonzo obude kwiindawo ezinzima. Nangona inokubiza ngaphezulu ngama-30% ukuya kuma-40% ngaphambili kune-aluminium, ihlala iminyaka eli-15 ukuya kuma-20 xa kuthelekiswa neminyaka emi-3 ukuya kwemi-5 kwezinye iindlela ezikumgangatho ophantsi.

I-nozzle yamanzi omlilo kufuneka imelane noxinzelelo olunjani lokusebenza?

Ii-nozzles eziqhelekileyo zesandla zihlala zisebenza malunga ne-75 ukuya kwi-100 PSI, ngelixa iimonitha zemizi-mveliso ezinzima zinokudlula i-250 PSI. Izinto ze-nozzle mazimelane nokuguquguquka, ukonakala kwentambo, kunye nomngcipheko wokugqabhuka phantsi kwale mithwalo ye-hydraulic.

I-bronze inciphisa njani iindleko zobomi kubathengi bokukhusela umlilo kwimizi-mveliso?

Ixabiso lokuqala lokuthenga lisenokuba yi-15% ukuya kwi-20% kuphela yeendleko zobomi bonke. Ii-nozzles zebrass zinciphisa amaxesha okutshintsha, umsebenzi wokulungisa, umngcipheko wexesha lokungasebenzi, kunye neenkxalabo zokuthobela imithetho, nto leyo eyenza ukuba zisebenziseke kakuhle kwimizi-mveliso nakwiindawo zaselwandle ixesha elide.

Zeziphi ii-alloys zobhedu ezisetyenziswa rhoqo kwiimpumlo zamanzi omlilo?

Izinto eziqhelekileyo ezikhethwayo ziquka i-C36000 free-cutting brass kunye ne-C46400 naval brass. Ezi alloys zidityaniswe noomatshini, ukumelana nokugqwala, uxinano, kunye nokuzinza koomatshini, nto leyo ezenza zifaneleke kwizixhobo zokucima umlilo ezifuna amandla.

Ngaba ukugqwala kungachaphazela ukusebenza kwe-nozzle spray?

Ewe. Ukugqwala, ukugquma, kunye nokuguga kwentambo kunokuphazamisa i-geometry yangaphakathi ye-nozzle, kunciphisa ukuchaneka kokuhamba kwamanzi kunye nokuhambelana kwepatheni yokutshiza. Kwiimeko ezinzima, ukuguguleka kwe-cavitation kunokususa i-0.1 mm ukuya kwi-0.5 mm yezinto ngonyaka.