Ukubaluleka
Amavalvu adlala indima ebalulekile ezimbonini ezisukela ku-oyela negesi kuya ezinhlelweni zamapayipi kanye nokushisa. Lawa madivayisi amancane alawula ukugeleza koketshezi namagesi, eqinisekisa ukusebenza kahle nokuphepha. Kodwa-ke, amavalvu ngezinye izikhathi angaba nzima ukuwafinyelela noma ukuwasebenzisa ngenxa yendawo noma ukwakheka kwawo. Kulesi simo, i-isandiso sevalvuKuqala ukusebenza. Kulesi sihloko, sizohlola ukubaluleka kokunwetshwa kwama-valve, izinhlobo zawo ezahlukene, kanye nokusetshenziswa kwawo ezimbonini ezahlukene.
Izandiso zamavalvu ziyithuluzi eliwusizo elenza kube lula ukusebenzisa nokugcina amavalvu ezindaweni okunzima ukufinyelela kuzo. Ngokuyisisekelo zandisa isibambo noma indlela yokulawula yevalvu, okuvumela ukuthi isetshenziswe futhi iphathwe kude. Izandiso zamavalvu zivame ukusetshenziswa lapho ivalvu igqitshwe ngaphansi komhlaba, ngemuva kokuvinjelwa, noma isebenza ngaphansi kokushisa okuphezulu, ingcindezi, noma izimo eziyingozi.
Uhlobo
Kunezinhlobo ezahlukene zokwandiswa kwama-valve emakethe namuhla. Uhlobo olulodwa oludumile yi-valve stem extension, evame ukusetshenziswa kuma-valve atholakala emigodini ejulile noma agqitshwe ngaphansi komhlaba.izandisoNgokuvamile zenziwe ngezinto eziqinile njengensimbi engagqwali noma ithusi ukuze zimelane nezimo zemvelo ezinzima. Zihlinzeka ngokuxhumana okuqinile phakathi kwesiqu se-valve kanye nesibambo sokusebenza esingaphezulu komhlaba ukuze kube lula ukusebenza nokulawula.
Olunye uhlobo lokwelulwa kwevalvu ukunwetshwa kwesondo lesandla. Lezi zengezo zisetshenziselwa ukwelula ukufinyelela noma ukuphakama kwesondo lesandla, okuvumela ukusebenza kahle kwamavalvu atholakala ezindaweni ezivalekile noma ezikude kakhulu. Avame ukusetshenziswa ezimbonini ezifana nokwelashwa kwamanzi, ukukhiqizwa kwamandla kanye nokucubungula amakhemikhali, lapho lawa mavalvu angafakwa khona ezindaweni ezingafinyeleleki.
Ngaphezu kokwelulwa kwe-stem kanye ne-handwheel, kukhona nokwelulwa kwe-lever, okulungele ama-valve adinga ukujikeleza njalo noma atholakala ezindaweni eziyingozi. Izengezo ze-lever zinikeza ingalo ye-lever ende ukuze kube nokwelulwa okwengeziwe nokusebenza okubushelelezi. Zingafakwa futhi zisuswe ngokushesha uma kudingeka, okwenza zibe yisisombululo esiguquguqukayo sezimboni ezahlukene.
Ukusebenzisa
Izandiso zamavalvu zisetshenziswa kabanzi ezimbonini ezahlukahlukene. Isibonelo, emkhakheni kawoyela negesi, izandiso zamavalvu zisetshenziswa kumavalvu atholakala ezindaweni ezikude zogwini noma ogwini lolwandle. Lezi zandiso zivumela abaqhubi ukulawula ukugeleza koketshezi noma amagesi, ukuqinisekisa ukusebenza okuphephile nokuphumelelayo kwamapayipi noma izindawo zokukhiqiza. Ngokufanayo, embonini yamanzi namanzi angcolile, izandiso zamavalvu zizuzisa amavalvu afakwe ezindaweni zokugcina ngaphansi komhlaba, emapayipini noma emakamelweni angaphansi kwamanzi, okwenza kube lula ukuwanakekela nokulungisa.
Izandiso zamavalvu nazo zisetshenziswa kabanzi embonini ye-HVAC (ukushisa, ukungenisa umoya kanye ne-air conditioning). Amavalvu esistimu ye-HVAC avame ukutholakala ezindaweni ezincane noma ezingajwayelekile, okwenza ukusebenza kwawo kube nzima. Izandiso zamavalvu zenza kube lula le nqubo ngokwandisa ukufinyelela kwesibambo samavalvu ukuze kube lula ukulungisa nokulawula. Ziphinde zivumele ochwepheshe ukuthi benze ukulungiswa okuvamile ngaphandle kokuphazamisa lonke uhlelo.
Isiphetho
Ngamafuphi, izandiso zamavalvu ziyithuluzi eliwusizo ezimbonini lapho amavalvu kunzima ukuwafinyelela noma ukuwasebenzisa. Zenza kube lula ukugcinwa, ukulungiswa kanye nokusebenza kwamavalvu ezindaweni okunzima ukuzifinyelela ngokwandisa ukufinyelela kwesibambo sevalvu noma indlela yokulawula. Izinhlobo ezahlukene zezandiso zesiqu samavalvu, izandiso zesandla kanye nezandiso ze-lever ziyatholakala ukuze zinikeze izixazululo ezifanele zezimboni nezinhlelo zokusebenza ezahlukahlukene. Kungakhathaliseki ukuthi kuse-oyili negesi, ekuhlanzweni kwamanzi noma kwi-HVAC, izandiso zamavalvu ziqinisekisa ukusebenza okubushelelezi kanye nobude besikhathi samavalvu abalulekile.
Izandiso zamavalvu nazo zisetshenziswa kabanzi embonini ye-HVAC (ukushisa, ukungenisa umoya kanye ne-air conditioning). Amavalvu esistimu ye-HVAC avame ukutholakala ezindaweni ezincane noma ezingajwayelekile, okwenza ukusebenza kwawo kube nzima. Izandiso zamavalvu zenza kube lula le nqubo ngokwandisa ukufinyelela kwesibambo samavalvu ukuze kube lula ukulungisa nokulawula. Ziphinde zivumele ochwepheshe ukuthi benze ukulungiswa okuvamile ngaphandle kokuphazamisa lonke uhlelo.
Isikhathi sokuthunyelwe: Novemba-16-2023
