Ukuqonda iiValve zeButterfly eziSebenza ngokuPhezulu
Iivalvu zebhabhathane ezisebenza kakuhle ziphucula indima ebalulekileyo edlalwa ziivalvu zebhabhathane kwizicelo zoshishino. Ezi valve zinokulawula ngokufanelekileyo ukuhamba kolwelo. Kuba iivalvu zebhabhathane ezisebenza kakuhle ziyakwazi ukumelana neemeko ezinzima. Amaqondo obushushu aphezulu kunye noxinzelelo oluphezulu azichaphazeli ukusebenza kwazo. Ishishini lixhomekeke kuzo ukuze zisebenze ngokuthembekileyo kwaye zizinzile.
1. Yintoni ivalvu yebhabhathane esebenza kakuhle?
Nangona ivalvu yebhabhathane esebenza kakuhle isebenzisa uyilo olwahlukileyo, ulwakhiwo olusisiseko kunye nomgaqo wokusebenza ziyafana neevalvu zebhabhathane eziqhelekileyo. Ibandakanya umzimba wevalvu, idiski yevalvu, umngxuma kunye nesihlalo sevalvu. Idiski yevalvu ijikeleza umngxuma ukulawula ukuhamba kolwelo. Isihlalo sevalvu sinika isitywino sokuthintela ukuvuza.
Iivalvu zebhabhathane ezisebenza kakuhle zixhomekeke kwiivalvu zebhabhathane ezi-double-eccentric, kwaye ukusebenza kwazo kuxhomekeke kwiindlela eziphambili. Idiski yevalvu yoyilo olu-double-offset isuka kwisihlalo sevalvu kwasekuqaleni kwenkqubo yokuvula, ngaloo ndlela inciphisa ukungqubana kunye nokuguga kumphezulu wokuvala.
Iivalvu zebhabhathane ezisebenza kakuhle ziyagqwesa kwiindawo ezinoxinzelelo oluphezulu. Amashishini afana neoyile negesi afuna ukusebenza kakuhle kweevalvu. Ezi valve zinokumelana noxinzelelo oluya konakalisa iivalvu eziqhelekileyo. Amandla aphezulu okuvala athintela ukuvuza phantsi koxinzelelo oluphezulu.
Imboni kufuneka iqonde ukuba zeziphi iivalvu zeebhabhathane ezisebenza kakuhle? Ziza kusetyenziselwa nini? Ukhetho olufanelekileyo luqinisekisa ukusebenza kakuhle kunye nozinzo lwenkqubo. Iivalvu zeebhabhathane ezisebenza kakuhle zibonelela ngokuthembeka okufunekayo kwizicelo ezifuna amandla.
2. Iimpawu zeevalvu zebhabhathane ezisebenza kakuhle, umahluko kwiivalvu zebhabhathane eziqhelekileyo
2.1 Ukukhetha izinto
Iivalvu zebhabhathane ezisebenza kakuhle zisebenza kakuhle kwiindawo ezinzima, ingasathethwa ke ngeendawo eziqhelekileyo, ezigqithisileyo, ngoko ke intsimbi elungileyo kufuneka isetyenziswe kwi-blade. Izinto ezomeleleyo ziphucula ukuqina nokuthembeka. Intsimbi engatyiwayo kunye ne-WCB zizinto eziqhelekileyo ezikhethwayo. Intsimbi engatyiwayo ayimelani nokugqwala kwaye iyamelana namaqondo obushushu aphezulu. Ukukwazi ukumelana neemeko ezinzima kwenza ezi valve zibe yimfuneko.
2.2 Itekhnoloji yokutywina
Itekhnoloji yokutywina idlala indima ebalulekileyo ekusebenzeni kakuhle kweevalvu. Izitywino eziphambili zithintela ukuvuza kwaye zigcina ukuqina koxinzelelo. Uyilo oluphindwe kabini oluyi-eccentric lubonelela ngezakhono ezibalaseleyo zokutywina. Olu yilo lunciphisa ukungqubana kunye nokuguguleka kumphezulu wokutywina. Isiphumo kukuba ixesha elide lenkonzo kunye neemfuno zolondolozo ezinciphileyo.
2.3 Uvavanyo loxinzelelo
Iivalvu zebhabhathane ezisebenza kakuhle ziyakwazi ukumelana ngokufanelekileyo neendawo ezinoxinzelelo oluphezulu. Ngokwesiqhelo ukuya kuthi ga kwiKlasi 300 (PN40). Ukukwazi ukugcina ukuthembeka phantsi koxinzelelo kubalulekile. Amashishini afana neoyile negesi afuna ulawulo oluthembekileyo loxinzelelo.
2.4 Ukumelana nobushushu
Ukumelana nobushushu luphawu oluphambili lokusebenza kweevalvu. Ii-HPBV zinokusebenza kubushushu obuphezulu, ngokuqhelekileyo ukuya kuthi ga kwi-500°F (260°C) okanye ngaphezulu. Ukukwazi ukusebenza kubushushu obuphezulu kuphucula ukuguquguquka kwazo. Olu buchule luzenza zilungele iinkqubo zomphunga, ukuveliswa kombane, kunye nokulungiswa kweekhemikhali.
3. Umahluko kwiivalvu zebhabhathane eziqhelekileyo
Umahluko phakathi kweevalvu zeebhabhathane ezisebenza kakuhle kunye neevalvu zeebhabhathane eziqhelekileyo eziqinileyo.
3.1. Uyilo lwesakhiwo
Iivalvu zebhabhathane ezisebenza kakuhle: ngokubanzi zimbini izakhiwo ezingaqhelekanga, unxibelelwano phakathi kwepleyiti yevalvu kunye nomphezulu wokutywina luyancipha. Ngoko ke izinto zokutywina zinobomi obude.
Iivalvu zebhabhathane eziqhelekileyo: ulwakhiwo oluqinileyo, ipleyiti yevalvu kunye nomphezulu wokutywina zinonxibelelwano olungakumbi xa zivulwa naxa zivaliwe, kwaye umphezulu wokutywina uyaguga ngokukhawuleza.
3.2. Inqanaba loxinzelelo
Iivalvu zebhabhathane ezisebenza kakuhle: ngokubanzi zifanelekile kwiinkqubo zoxinzelelo oluphakathi noluphezulu, ezinomthamo onamandla wokuthwala uxinzelelo (ukuya kuthi ga kwi-PN25, PN40 nangaphezulu).
Iivalvu zebhabhathane eziqhelekileyo: zisetyenziswa kakhulu kwiinkqubo zoxinzelelo oluphantsi, zilungele ngokubanzi uxinzelelo lokusebenza lwe-PN10, PN16.
3.3. Uluhlu lobushushu
Iivalvu zebhabhathane ezisebenza kakuhle: zingasetyenziswa kwiimeko zobushushu obuphezulu, kwaye zinokugcina ukusebenza kokutywina kubushushu obuphezulu.
Iivalvu zebhabhathane eziqhelekileyo: ngokubanzi zifanelekile kwiimeko zobushushu obuphantsi okanye obuqhelekileyo, ezinomlinganiselo wobushushu olinganiselweyo.
3.4. Iimeko zokusetyenziswa
Iivalvu zebhabhathane ezisebenza kakuhle: zisetyenziswa kakhulu kwiindawo zoshishino ezifana neekhemikhali zepetroli, igesi yendalo, umphunga, unyango lwamanzi, ubushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu, ezifanelekileyo ukulawula ulwelo phantsi kweemeko ezinzima.
Iivalvu zebhabhathane eziqhelekileyo: zisetyenziswa kakhulu kwiimeko ezibuthathaka ezifana neenkqubo zokucoca amanzi ezinoxinzelelo oluphantsi, i-HVAC, kunye neenkqubo eziqhelekileyo zoshishino, kwaye iimeko zokusetyenziswa zilula kakhulu.
3.5. Ukukhetha izinto
Iivalvu zebhabhathane ezisebenza kakuhle: Umzimba wevalvu udla ngokwenziwa ngezinto ezimelana nokugqwala nezimelana nobushushu obuphezulu ezifana nentsimbi engagqwaliyo, i-wcb, kunye nentsimbi ye-alloy, kwaye iivalvu ikakhulu ziivalvu zesinyithi okanye iivalvu ezithambileyo eziphuculweyo.
Iivalvu zebhabhathane eziqhelekileyo: Izinto zomzimba wevalvu ikakhulu zizinto eziphoswe ngentsimbi okanye intsimbi ethambileyo, kwaye iivalvu zihlala zizinto ezithambileyo zokutywina ezifana nerabha kunye ne-polytetrafluoroethylene.
3.6. Ixabiso
Iivalvu zebhabhathane ezisebenza kakuhle: Ngenxa yoyilo oluntsonkothileyo, izixhobo eziphambili, kunye neenkqubo zemveliso ezintle, ixabiso liphezulu, ngoko ke ixabiso libiza kakhulu.
Iivalvu zebhabhathane eziqhelekileyo: isakhiwo esilula, ixabiso eliphantsi, kunye nexabiso eliphantsi.
4. Ukusetyenziswa kweevalvu zebhabhathane ezisebenza kakuhle
4.1 Ioyile negesi
Kwiinkqubo zokwemba ezisezantsi kunye nezokucoca ezisezantsi kwishishini leoyile negesi, iivalvu zeebhabhathane ezisebenza kakhulu zidlala indima ebalulekileyo. Ngenxa yokuba uxinzelelo oluphezulu kunye nolwelo lobushushu obuphezulu kufuneka zilawulwe ngokuchanekileyo ukuqinisekisa ukhuseleko kunye nokusebenza kakuhle. Amandla okutywina amahle kakhulu eevalvu zeebhabhathane ezisebenza kakuhle athintela ukuvuza kwaye agcina ukuthembeka kwenkqubo.
4.2 Ukucubungula iikhemikhali
Iikhemikhali ezikonakalisayo zixhaphakile kwizityalo ezilungisa iikhemikhali. Iivalvu zebhabhathane ezisebenza kakuhle zinolwakhiwo oluhlala ixesha elide kunye nezakhono ezibalaseleyo zokutywina ukuze zihlangabezane ngokupheleleyo nemingeni yeendawo ezinjalo.
4.3 Ukuveliswa koMbane
Izakhiwo zokuvelisa umbane ziyaxhamla kwiivalvu zeebhabhathane ezisebenza kakuhle, ingakumbi kwiinkqubo zomphunga kunye nokusebenza kweturbine. Ulawulo oluchanekileyo lomphunga oshushu kakhulu lubalulekile ukuze kufezekiswe ukusebenza kakuhle kunye nokusebenza kakuhle kwamandla.
4.4 Unyango lwamanzi
Izakhiwo zokunyanga amanzi zisebenzisa iivalvu zebhabhathane ezisebenza kakuhle ukulawula ukuhamba kwamanzi kunye namanzi amdaka. Ezi valve zinokusingatha ngempumelelo uxinzelelo kunye namaqondo obushushu ahlukeneyo. Ukukwazi ukusebenza ngokuthembekileyo phantsi kweemeko ezinzima kuqinisekisa inkqubo yokunyanga esebenzayo.
5. Izinto ekufuneka ziqwalaselwe xa ukhetha
5.1 Iimfuno zeSicelo
Iivalvu zebhabhathane ezisebenza kakuhle kufuneka zihlangabezane neemfuno ezithile zokusetyenziswa. Uhlobo lolwelo kunye neempawu kufuneka zivavanywe ngaphambi kokuba zithengwe. Uvavanyo loxinzelelo kunye nobushushu kufuneka luhambelane neemfuno zokusebenza. Ukukhetha ivalvu efanelekileyo kuqinisekisa ukusebenza kakuhle kunye nokhuseleko.
5.2 Iimeko Zokusingqongileyo
Iimeko zokusingqongileyo zidlala indima ebalulekileyo ekukhetheni iivalvu zebhabhathane. Amaqondo obushushu aphezulu kunye neendawo ezirhabaxa zifuna izinto eziqinileyo. Intsimbi engagqwaliyo okanye i-PTFE zibonelela ngokumelana nokugqwala okugqwesileyo. Ukukhetha okulungileyo kwandisa ubomi benkonzo kunye nokuthembeka.
Isishwankathelo
Iivalvu zebhabhathane ezisebenza kakuhle zibonelela ngeenzuzo ezibalulekileyo kwimisebenzi yemizi-mveliso. Ngokusebenzisa ezi valve kwiinkqubo zazo, amashishini azuza ngokusebenza kakuhle nangokuthembekileyo okwandisiweyo. Uyilo oluqinileyo luqinisekisa ukusebenza kakuhle phantsi kweemeko ezinzima, luphucula ukhuseleko kunye neenzuzo zoqoqosho.
Iingenelo eziphambili:
• Ukusebenza kakuhle: Iivalvu ezisebenza kakuhle zibonelela ngoxinzelelo oluphantsi kakhulu kunye nofakelo oluncinci.
• Ukusebenza kakuhle kweendleko: Uyilo olulula lunciphisa iindleko zezinto kunye neemfuno zokugcinwa.
• Ukuguquguquka: Ifanelekile kwiindlela zokusetyenziswa ezishushu kakhulu nezinkulu.
Amashishini kufuneka abeke phambili ukukhethwa kweevalvu zeebhabhathane ezifanelekileyo ezisebenza kakuhle ukuqinisekisa uzinzo kunye nokusebenza kakuhle kwexesha elide.