Ivalvu yesangokunyeivalvu yevivanengamavalvu amabili asetjenziswa khulu. Bobabili bahluke khulu ngokwesakhiwo sabo nokusebenzisa iindlela, ukutjhuguluka ebujameni bokusebenza, njll. I-atikili le izokusiza abasebenzisi bazwisise umehluko phakathiamavalvu wesangokunyeamavalvu wevithaminingokujulileko, ukwenzela bona kusizwe ngcono abasebenzisi ukukhetha amavalvu.
Ngaphambi kokuhlathulula umehluko phakathiivalvu yesangokanye nevalvu yevithamini, akhe siqale iinhlathululo zazo zombili. Mhlamunye ukusuka encazelweni, ungathola ngokutjheja umehluko.
Amavalvu wesango, njengombana ibizo litjho, ingasika umtjhini osephayiphini njengesango, okuyinhlobo yevalvu esizoyisebenzisa ekukhiqizeni nasempilweni. Ingcenye yokuvula neyokuvalaivalvu yesangoibizwa ngokuthi yipuleti lesango. Ipuleti yesango isetjenziselwa ukuphakamisa ukunyakaza, begodu indlela yayo yokunyakaza iqondile nendlela yokugeleza kwe-medium ephayiphini yamanzi. Iivalvu yesangomhlobo wevalvu yokunquma, engavulwa ngokupheleleko nofana ivalwe, begodu izinga lokugeleza alikwazi ukulungiswa.
Ivalvu ye-butterfly, eyaziwa nge-flip valve. Ingcenye yayo yokuvula nokuvala yipuleti yevivane emise okwediski, ejame esiqwini begodu ijikeleza isiqu ukuvula nokuvala. Indlela yokukhamba kweivalvu yevivaneijikelezwa lapho ikhona begodu kuthatha ama-90° ukusuka ekuvulekeni ukuya ekuvaleni okupheleleko. Ukungezelela, ipuleti yevithamini yevalvu yevivane ngokwayo ayinawo amandla wokuzivala. Isinciphisi se-turbine sitlhoga ukufakwa esiqwini. Ngayo, ivalvu ye-butterfly inamandla wokuzikhiya, begodu ngesikhathi esifanako, ingathuthukisa ukusebenza kwe-butterfly valve.
Ngemva kokuzwisisa ihlathululoivalvu yesangokanye nevalvu yevithamini, umehluko phakathiivalvu yesangobegodu ivalvu yevithamini yethulwa ngenzasi:
1. Umehluko emandleni weenthuthi
Ngokuya kwencazelo yendawo, siyawuzwisisa umehluko phakathi kwendlela nendlela yokukhamba kweivalvu yesangokanye nevalvu yevivane. Ukungezelela, ngombana ivalvu yesango ingavulwa begodu ivalwe ngokupheleleko, ukujamelana nokugeleza kwevalvu yesango kuncani lokha nayivulwe ngokupheleleko; ngesikhathiivalvu yevivaneivulekile ngokupheleleko, begodu ukujiya kweivalvu yevivaneinokujamelana nendawo yokujikeleza. Ngaphezu kwalokho, ukuphakama kokuvulaivalvu yesangoiphezulu khulu, njeke ibelo lokuvula nokuvala libuthakathaka; ngesikhathiivalvu yevivanekutlhogeka bona ijikeleze i-90° ukufikelela ukuvula nokuvala, ngalokho ukuvula nokuvala kuyarhaba.
2. Umehluko weendima nokusetjenziswa
Ukuvala kwevalvu yesango kuhle, njeke isetjenziswa khulu emaphayiphini adinga ukuvalwa okuqinileko begodu akutlhogeki bona atjhugululwe kanengi ukuvala iindaba zokujikeleza. Ivalvu yesango angeze yasetjenziselwa ukulawula ukugeleza. Ukungezelela, ngombana ijubane lokuvula nokuvala kwevalvu yesango libuthakathaka, alilungele amapayipi adinga ukuqunywa msinyana. Ivalvu ye-butterfly isetjenziswa khulu. Ivalvu ye-butterfly ayikwazi ukunqunywa kwaphela, kodwana inomsebenzi wokulungisa ukugeleza. Ukungezelela, i-butterfly valve ivuleka begodu ivale msinya, begodu ingavuleka begodu ivale kanengi, khulukhulu ilungele ukusetjenziswa ebujamweni lapho kutlhogeka khona ukuvula msinyana nofana ukusika.
Ubujamo nobudisi be-butterfly valve buncani kune-gate valve, njeke kwezinye iindawo ezinendawo encani yokufaka, kunconywa ukusebenzisa i-butterfly valve ye-clip yokonga isikhala. Amavalvu we-butterfly asetjenziswa khulu emavalveni amakhulu, begodu ama-butterfly valve nawo anconywa emaphayiphini aphakathi nendawo anezinto ezisilapheleko neenhlayiya ezincani.
Ekukhethweni kwamavalvu ebujameni obunengi bokusebenza, amavalvu we-butterfly athatha indawo yeminye imihlobo yamavalvu begodu aba yinto yokuthoma ekhethwa basebenzisi abanengi.
3. Umehluko wentengo
Ngaphasi komfutho ofanako nezinga, intengo yevalvu yesango iphezulu kunaleyo yevalvu yevithamini. Kodwana, izinga le-butterfly valve lingaba likhulu khulu, begodu intengo ye-caliber ekuluivalvu yevivaneayitjhiphile ukudlula ivalvu yesango.
Isikhathi sokuposa: Feb-09-2023
