Umehluko phakathi kwe-Ball Valve ne-Butterfly Valve
Umehluko omkhulu phakathi kwama-valve e-butterfly nama-ball valve ukuthi i-valve ye-butterfly ivulwa noma ivalwe ngokuphelele ngokusebenzisa i-disc kuyilapho i-ball valve isebenzisa ibhola elingenalutho, elinezimbobo futhi elijikelezayo ukwenza lokho. Kokubili i-disc ye-butterfly valve kanye ne-valve core ye-ball valve zijikeleza zizungeze i-axis yazo. I-butterfly valve ingalawula ukugeleza ngezinga layo elivulekile kuyilapho i-ball valve ingekho lula ukwenza lokhu.
I-valve ye-butterfly ibonakala ngokuvula nokuvala okusheshayo, isakhiwo esilula kanye nezindleko eziphansi, kodwa ukuqina kwayo kanye nomthamo wokuthwala akukuhle. Izici zama-valve ebhola zifana neze-valve yesango, kodwa ngenxa yokulinganiselwa kwevolumu kanye nokumelana nokuvula nokuvala, kunzima ukuthi i-valve yebhola ibe yi-diameter enkulu.
Isimiso sokwakheka kwamavalvu ebhabhathane siwenza afaneleke kakhulu ukwenziwa abe ngosayizi omkhulu. Idiski yevalvu yebhabhathane ifakwa ohlangothini lobubanzi bepayipi. Endleleni eyindilinga yomzimba wevalvu yebhabhathane, idiski ijikeleza i-axis. Uma ijikeleziswa ngekota, ivalvu ivuleke ngokuphelele. Ivalvu yebhabhathane inesakhiwo esilula, izindleko eziphansi kanye nobubanzi obulungisekayo. Amavalvu ebhola avame ukusetshenziselwa uketshezi namagesi angenazo izinhlayiya nokungcola. Lawa mavalvu anokulahlekelwa okuncane koketshezi, ukusebenza kahle kokuvala kanye nezindleko eziphezulu.
Uma kuqhathaniswa, ukuvalwa kwevalvu yebhola kungcono kunevalvu yebhabhathane. Ukuvalwa kwevalvu yebhola kuncike ekucindezelweni okusebusweni obuyindilinga eduze kwesihlalo sevalvu isikhathi eside, okuqinisekile ukuthi kuzoguga ngokushesha kunevalvu yebhola elincane. Ivalvu yebhola ivame ukwenziwa ngezinto zokuvala eziguquguqukayo, futhi kunzima ukuyisebenzisa kumapayipi okushisa aphezulu kanye nomfutho ophezulu. Ivalvu yebhabhathane inesihlalo serabha, esikude kakhulu nokusebenza kokuvala okuqinile kwensimbi kwamavalvu ebhola elincane, amavalvu ebhola kanye namavalvu esango. Ngemva kokusetshenziswa isikhathi eside kwevalvu yebhola elincane, isihlalo sevalvu sizoguga kancane, futhi singasetshenziswa ngokuqhubekayo ngokulungiswa. Lapho isiqu kanye nokupakisha kuvulwa futhi kuvalwa, isiqu sidinga kuphela ukujika kwekota. Uma kukhona uphawu lokuvuza, cindezela ibholidi le-gland yokupakisha ukuze ubone ukuthi akukho ukuvuza. Kodwa-ke, amanye amavalvu asasetshenziswa kakhulu ngokuvuza okuncane, futhi amavalvu athathelwa indawo ngokuvuza okukhulu.
Enqubweni yokuvula nokuvala, ivalvu yebhola isebenza ngaphansi kwamandla okugcina ezihlalo zamavalvu kuzo zombili izinhlangothi. Uma iqhathaniswa nevalvu ye-semi-ball, ivalvu yebhola ine-torque enkulu yokuvula nokuvala. Futhi uma ububanzi obukhulu bukhula, kulapho umehluko we-torque yokuvula nokuvala ubonakala khona. Ukuvulwa nokuvalwa kwevalvu yebhabhathane kuqashelwa ngokunqoba ukuguquguquka kwerabha. Kodwa-ke, kuthatha isikhathi eside ukusebenzisa amavalvu esango namavalvu embulunga futhi kunzima ukwenza lokho.
Ivalvu yebhola kanye nevalvu yepulaki ziwuhlobo olufanayo. Ivalvu yebhola kuphela enebhola elingenalutho lokulawula ukugeleza kwayo. Amavalvu ebhola asetshenziswa kakhulu ukusika, ukusabalalisa nokushintsha indlela yokugeleza kwe-medium emapayipini.
Isikhathi sokuthunyelwe: Jan-18-2021