Lapho ukhetha i-valve efanele yezinhlelo zamapayipi ezimboni, ezolimo, noma ezentengiselwano, ukuqonda umehluko phakathii-lug butterfly valvesfuthiama-valve e-butterfly ephindwe kabilikubalulekile. Womabili ama-valve asetshenziswa kakhulu ekwelashweni kwamanzi, ekucubunguleni amakhemikhali, e-HVAC, nasezimbonini zikawoyela negesi ngenxa yokwakheka kwawo okuhlangene, ukusebenza kahle kwezindleko, nokulawula ukugeleza okuphumelelayo. Kodwa-ke, ukuklama kwabo kwesakhiwo, izindlela zokufaka, kanye nezimo zohlelo lokusebenza ziyahlukahluka, okwenza ngayinye ifanele izimo ezithile. Lesi sihloko sihlola umehluko oyinhloko, izinzuzo, ukonakala, kanye nokusetshenziswa kwamavalvu evemvane e-lug kanye ne-double flange ukuqondisa inqubo yakho yokwenza izinqumo.
1. I-Lug Butterfly Valve: Idizayini nezici
Ama-valve ovemvane ama-Lug abonakala ngokufakwa okunentambo, noma "ama-lugs," emzimbeni wamavalvu, okuvumela ukubopha okuqondile kuma-flange amapayipi. Lo mklamo usebenzisa amasethi amabili amabhawodi azimele ngaphandle kwamantongomane, njengoba amabhawodi exhuma ngqo kuma-lugs. Ukumiswa okunjalo kulungele izinhlelo zokusebenza zokuphela komugqa, lapho uhlangothi olulodwa lwepayipi lunganqanyulwa ngaphandle kokuthinta olunye.
Izici ezibalulekile zeLug Butterfly Valves
- Ama-Lugs Anemicu: Ama-Lugs ahlinzeka ngamaphoyinti aqinile, avumela i-valve ukuthi ivikeleke ngokuzimela ku-flange yepayipi ngalinye.
- Idizayini Ehlangene: Ilula futhi imfushane ngobude, ama-lug valves agcina isikhala, alungele amasistimu anegumbi elilinganiselwe.
- I-Bidirectional Flow: Ama-valve e-lug avaliwe athambile asekela ukugeleza kunoma iyiphi indlela, enikeza ukuguquguquka.
- Ukulungiswa Okulula: Ukucushwa kwephayiphi kuvumela uhlangothi olulodwa lwepayipi ukuthi lususwe ukuze lulungiswe ngaphandle kokuba nomthelela kolunye.
- Isilinganiso Sokucindezela: Ngokujwayelekile ifanele izinhlelo zokusebenza ezinengcindezi ephansi ukuya emaphakathi, nakuba izilinganiso zokucindezela zingase zehle kusevisi yokuphela komugqa.
- I-Material Versatility: Itholakala ezintweni ezifana ne-ductile iron, WCB, noma insimbi engagqwali, enezinketho zezihlalo ezifana ne-EPDM noma i-PTFE yokumelana namakhemikhali.
2. I-Double Flange Butterfly Valve: Idizayini nezici
Ama-valve ovemvane ane-flange ahlanganisa ama-flange ahlanganisiwe kuzo zombili iziphetho zomzimba we-valve, aboshwe ngokuqondile kuma-flange amapayipi afanayo. Lo mklamo uqinisekisa ukuxhumana okungenakuvuza, okuwenza ulungele izinhlelo zokusebenza ezinomfutho ophezulu kanye nobubanzi obukhulu. Ukwakhiwa kwayo okuqinile imelana namandla abalulekile.
Izici Eziyinhloko ze-Double Flange Butterfly Valves
- Ama-Flange Ahlanganisiwe: Ama-Flange emikhawulweni yomibili axhuma kuma-flange amapayipi ngamabholithi, aqinisekisa ukulingana okuvikelekile.
- Isakhiwo Esiqinile: Senziwe ngezinto ezihlala isikhathi eside njenge-WCB, i-ductile iron, noma insimbi engagqwali.
- Ukuvalwa Okuphezulu: Idizayini ye-Flange iqinisekisa ukuvala okuqinile, inciphisa izingozi zokuvuza ezinhlelweni ezibucayi.
- I-Bidirectional Flow: Njengama-lug valves, ama-valve e-flange asekela ukugeleza kuzo zombili izinkomba.
- I-Diameter Enkulu: Ifaka ama-diameter amakhulu uma kuqhathaniswa nama-lug valves.
3. I-Lug Butterfly Valve vs. I-Double Flange Butterfly Valve
Ukuze wenze ukukhetha unolwazi, ukuqonda umehluko oyinhloko phakathi kwe-lug ne-double flange butterfly valves kubalulekile. Ngezansi ukuqhathanisa okuningiliziwe kwezinto ezibalulekile:
3.1 Izici Ezijwayelekile
- Ukuvumelana Nezimo Zokufaka: Zombili zivumela uhlangothi olulodwa lwepayipi ukuthi lunqanyulwe ngaphandle kokuthinta olunye, lulungele amasistimu adinga ukulungiswa njalo noma ukuhlukaniswa kwezigaba.
- Izindleko Uma Ziqhathaniswa namaVave Wafer: Ngenxa yama-lugs anentambo noma ama-flange amabili, womabili abiza kakhulu kunamavalvu angama-wafer.
- Izimpawu ezabiwe:
- I-Bidirectional Flow Support: Zombili izinhlobo zama-valve zithatha ukugeleza kunoma iyiphi indlela, zilungele amasistimu anezikhombisi-ndlela zoketshezi oluguquguqukayo.
- Izinhlobonhlobo Zezinto Ezibalulekile: Kokubili kungenziwa ngezinto ezifanayo njengensimbi yensimbi, i-ductile iron, noma insimbi engagqwali, enezinketho zezihlalo (isb., i-EPDM noma i-PTFE) eklanyelwe uketshezi olunjengamanzi, amakhemikhali, noma amagesi.
3.2 Umehluko Obalulekile
3.2.1 Indlela Yokufaka
- I-Lug Butterfly Valve: Isebenzisa amabhawodi anekhanda elilodwa ukuxhuma kuma-flange amapayipi. Amalugi anentambo avumela amasethi amabili amabhawodi ukuthi avikele i-valve ngokuzimela ngaphandle kwamantongomane, asekela isevisi yokuphela komugqa nokugcinwa okulula.
- I-Double Flange Butterfly Valve: Ifaka ama-flange ahlanganisiwe emikhawulweni yomibili, edinga ukuqondanisa nama-flange amapayipi kanye nokubopha. Lokhu kuqinisekisa uxhumo oluqinile kodwa kwenza ukulungiswa kube nzima.
3.2.2 Ukuguquguquka kokufakwa
- I-Lug Butterfly Valve: Inikeza ukuguquguquka okukhulu, njengoba uhlangothi olulodwa lunganqanyulwa ngaphandle kokuthinta olunye, lulungele amasistimu adinga ukulungiswa njalo noma ukushintshwa.
- I-Double Flange Butterfly Valve: Idinga ukuqondanisa nokubhawuliswa ezinhlangothini zombili, okwenza ukufakwa nokususwa kudle isikhathi. Inikeza ukuguquguquka okuncane kokulungisa kodwa ukuxhumana okuvikeleke kakhulu.
3.2.3 Ububanzi obusebenzayo
- I-Lug Butterfly Valve: Imvamisa isuka ku-DN50 iye ku-DN600.Ama-valve e-flange eyodwakungaba enye indlela yezinhlelo ezivimbelwe ngendawo.
- I-Double Flange Butterfly Valve: Ibanga ukusuka ku-DN50 kuye ku-DN1800. Ukuze uthole ama-diameter amakhulu, izixazululo zangokwezifiso ziyatholakala uma zicelwa.
3.2.4 Izindleko Nesisindo
- I-Lug Butterfly Valve: Ibiza kakhulu ngenxa yomklamo wayo ongasindi, inciphisa izindleko zokuyifaka.
- I-Double Flange Butterfly Valve: Isinda futhi ibiza kakhulu ngenxa yama-flange ahlanganisiwe nezinto ezengeziwe. Ama-valve e-flange amabili anobubanzi obukhulu angase adinge ukwesekwa okwengeziwe ngenxa yesisindo sawo.
3.2.5 Isondlo kanye Nokuhlakazwa
- I-Lug Butterfly Valve: Kulula ukuyiqaqa nokugcina, njengoba uhlangothi olulodwa lungasuswa ngaphandle kokuthinta olunye.
- I-Double Flange Butterfly Valve: Okudinga kakhulu ukusebenza kanzima ukuze kuhlakazwe ngenxa yamabhawodi amaningi kanye nezidingo zokuqondanisa ezinembayo.
4. Isiphetho
Ukukhetha phakathi kwe-soft-sealedi-lug butterfly valvekanye ai-valve ye-butterfly ephindwe kabilikuncike ezidingweni ezithile zesistimu yakho. Ama-valve evemvane e-Lug ahamba phambili ezinhlelweni ezidinga ukulungiswa njalo nokufakwa okuhlangene. Ama-valve ovemvane ane-flange aphindwe kabili, anokuvalwa kwawo okuqinile, afaneleka kangcono amapayipi anobubanzi obukhulu kanye nokusetshenziswa okubalulekile. Ngokuhlola izici ezifana nokucindezela, ukunakekelwa, indawo, kanye nesabelomali, ungakhetha ivalvu ethuthukisa ukusebenza nokusebenza kahle kwezindleko.