Xa ukhetha ivalve efanelekileyo kumashishini, ezolimo, okanye iinkqubo zemibhobho yorhwebo, ukuqonda umahluko phakathiiivalve butterfly lugkwayeiivalve zebhabhathane ezimbini zeflangeibalulekile. Zombini iivalve zisetyenziswa ngokubanzi kunyango lwamanzi, ukusetyenzwa kweekhemikhali, i-HVAC, kunye namashishini e-oyile kunye negesi ngenxa yoyilo lwazo oludibeneyo, ukusebenza kakuhle kweendleko, kunye nolawulo olusebenzayo lokuhamba. Nangona kunjalo, uyilo lwabo lolwakhiwo, iindlela zokufakela, kunye neemeko zesicelo ziyahluka, okwenza nganye ilungele iimeko ezithile. Eli nqaku liphonononga umahluko ophambili, iingenelo, izinto ezingeloncedo, kunye nokusetyenziswa kwe-lug kunye neevalvu zebhabhathane eziphindwe kabini ukukhokela inkqubo yakho yokwenza izigqibo.
1. Lug Butterfly Valve: Uyilo kunye neempawu
Iivalve zebhabhathane zeLug ziphawulwa ngokufaka imisonto, okanye "i-lugs," kumzimba wevalvu, evumela ukubolithwa ngokuthe ngqo kwiiflange zemibhobho. Olu yilo lusebenzisa iiseti ezimbini zeebholiti ezizimeleyo ngaphandle kwamandongomane, njengoko iibholiti zintambo ngqo kwiilugs. Ulungelelwaniso olunjalo lufanelekile kwizicelo zokuphela komgca, apho elinye icala lombhobho linokunqunyulwa ngaphandle kokuchaphazela elinye.
Iimpawu eziphambili zeLug Butterfly Valves
- Imisonto enemisonto: Iilugs zibonelela ngeendawo zokuxhoma ezomeleleyo, zenza ukuba ivalve ikhuselwe ngokuzimeleyo kwiflange yombhobho ngamnye.
- Idizayini yeCompact: Ikhaphukhaphu kwaye imfutshane ngobude, iivalve zelug zigcina indawo, zigqibelele kwiinkqubo ezinegumbi elincinci.
-I-Bidirectional Flow: Iivalvu zelug ezitywiniweyo ezithambileyo zixhasa ukuhamba kulo naliphi na icala, zibonelela ngezinto ezahlukeneyo.
- ULondolozo olulula: Ukucwangciswa kwe-lug kuvumela ukuba elinye icala lombhobho lisuswe ukuze ligcinwe ngaphandle kokuchaphazela elinye.
- Ixabiso loxinzelelo: Ngokuqhelekileyo ifanele izicelo eziphantsi ukuya koxinzelelo oluphakathi, nangona ukulinganiswa koxinzelelo kunokuncipha kwinkonzo yokuphela komgca.
- I-Material Versatility: Ifumaneka kwizinto ezifana nentsimbi ye-ductile, i-WCB, okanye insimbi engenasici, enokukhetha izihlalo ezifana ne-EPDM okanye i-PTFE yokuxhathisa imichiza.
2. Ivalve yebhabhathane yeFlange ephindwe kabini: Uyilo kunye neempawu
Iivalvu zebhabhathane ezineflange eziphindwe kabini zineeflange ezidityanisiweyo kuzo zozibini iziphelo zomzimba wevalvu, zibotshwe ngokuthe ngqo kwiiflange zemibhobho ehambelanayo. Olu luyilo luqinisekisa uxhulumaniso lokuvuza, okwenza lufanelekele izicelo eziphezulu zoxinzelelo kunye nobubanzi obukhulu. Ulwakhiwo lwayo olomeleleyo luyamelana namandla abalulekileyo.
Iimpawu eziphambili zeeValve zeButterfly eziphindwe kabini
- IiFlange ezidityanisiweyo: Iiflange kuzo zombini iziphelo zidibanisa kwiiflange zepayipi ngeebholiti, ziqinisekisa ukugcinwa okukhuselekileyo.
-Isakhiwo esiqinileyo: Yenziwe ngezinto ezihlala ixesha elide njenge-WCB, i-ductile iron, okanye intsimbi engenasici.
- Ukutywinwa okuPhakamileyo: Uyilo lweFlange luqinisekisa isitywina esiqinileyo, ukunciphisa imingcipheko yokuvuza kwizicelo ezibalulekileyo.
-I-Bidirectional Flow: Njengeevalve zelug, iivalve eziphindwe kabini zeflange zixhasa ukuhamba kumacala omabini.
-I-Diameter Enkulu: Ithatha iidiameter ezinkulu xa kuthelekiswa ne-lug valves.
3. Lug Butterfly Valve vs. Double Flange Butterfly Valve
Ukwenza ukhetho olunolwazi, ukuqonda umahluko ophambili phakathi kwe-lug kunye ne-double flange butterfly valves kubalulekile. Apha ngezantsi luthelekiso oluneenkcukacha lwemiba ebalulekileyo:
3.1 Iimpawu eziqhelekileyo
- Ukufakela ukuguquguquka: Zombini zivumela icala elinye lombhobho ukuba liqhawulwe ngaphandle kokuchaphazela elinye, lilungele iinkqubo ezifuna ukugcinwa rhoqo okanye ukuhlukaniswa kwecandelo.
- Iindleko xa kuthelekiswa neeValufa zeWafer: Ngenxa yeelugi ezinentambo okanye iiflange ezimbini, zombini zibiza kakhulu kuneevalvu ezisicaba.
- Iimpawu ekwabelwana ngazo:
- Inkxaso ye-Bidirectional Flow: Zombini iintlobo zevalve zivumela ukuhamba kuwo nakweliphi na icala, zilungele iinkqubo ezinezalathiso eziguquguqukayo zolwelo.
- Izinto ezahlukeneyo: Zombini zingenziwa kwizinto ezifanayo ezifana ne-carbon steel, i-ductile iron, okanye insimbi engenasici, enokukhetha izihlalo (umzekelo, i-EPDM okanye i-PTFE) elungiselelwe ulwelo olunjengamanzi, iikhemikhali, okanye iigesi.
3.2 Iiyantlukwano eziphambili
3.2.1 Inkqubo yoFakelo
-I-Lug Butterfly Valve: Isebenzisa iibholiti ezinentloko enye ukuqhagamshela kwiiflange zemibhobho. Imisonto enemisonto ivumela iiseti ezimbini zeebholiti ukuba zikhusele ivalve ngokuzimeleyo ngaphandle kwamantongomane, zixhasa inkonzo yokuphela komgca kunye nokugcinwa lula.
- IValve yeButterfly yeFlange ephindwe kabini: Ifaka iiflange ezidibeneyo kuzo zombini iziphelo, ezifuna ulungelelwaniso kunye neeflange zemibhobho kunye nokubopha. Oku kuqinisekisa uxhulumaniso olomeleleyo kodwa lunzima ukugcinwa.
3.2.2 Ukufakela Ukuguquguquka
- IValve yeLug Butterfly: Inikezela ngokuguquguquka okukhulu, njengoko elinye icala linokunqunyulwa ngaphandle kokuchaphazela elinye, lilungele iinkqubo ezifuna ukugcinwa rhoqo okanye ukutshintshwa.
- Ivalve yebhabhathane yeFlange ephindwe kabini: Ifuna ulungelelwaniso kunye nebholithi kumacala omabini, ukwenza ufakelo kunye nokususwa kudle ixesha. Inika ukuguquguquka okuncinci kokugcinwa kodwa uqhagamshelwano olukhuselekileyo.
3.2.3 IiDamitha eziSebenzayo
I-Lug Butterfly Valve: Ngokuqhelekileyo isuka kwi-DN50 ukuya kwi-DN600.Iivalve zeflange enyeinokuba yinto engenye yeenkqubo ezixinzelelweyo kwindawo.
- IValve yebhabhathane yeFlange ephindwe kabini: Uluhlu ukusuka kwi-DN50 ukuya kwi-DN1800. Kwiidayamitha ezinkulu, izisombululo zesiko ziyafumaneka xa ziceliwe.
3.2.4 Iindleko kunye nobunzima
-I-Lug Butterfly Valve: Ixabiso elithe kratya ngenxa yoyilo lwayo olukhaphukhaphu, ukunciphisa iindleko zokufakela.
- IValve yeButterfly ephindwe kabini: Inzima kwaye ibiza kakhulu ngenxa yeeflange ezidibeneyo kunye nezinto ezongezelelweyo. Iivalve ze-flange eziphindwe kabini ezinobubanzi obukhulu zinokufuna inkxaso eyongezelelweyo ngenxa yobunzima bazo.
3.2.5 ULondolozo kunye noKuqhawulwa
-I-Lug Butterfly Valve: Kulula ukuqhaqha kunye nokugcina, njengoko icala elinye linokususwa ngaphandle kokuchaphazela elinye.
-Ivalufa yeButterfly ephindwe kabini: Kunzima kakhulu ukuqhawula ngenxa yeebholiti ezininzi kunye neemfuno zolungelelwaniso ezichanekileyo.
4. Isiphelo
Ukhetho phakathi kwe-soft-sealedlug butterfly valvekunye aivalve yebhabhathane ephindwe kabinikuxhomekeke kwiimfuno zenkqubo yakho. Iivalve zebhabhathane zeLug zigqwesa kwizicelo ezifuna ukugcinwa rhoqo kunye nokufakelwa kombane. Iivalvu zebhabhathane eziphindwe kabini, ezinokutywinwa kwazo okomelele, zifaneleke ngcono kwimibhobho yobubanzi obukhulu kunye nosetyenziso olubalulekileyo. Ngokuphonononga izinto ezifana noxinzelelo, ukugcinwa, indawo, kunye nohlahlo lwabiwo-mali, unokukhetha i-valve eyenza intsebenzo kunye neendleko ezifanelekileyo.