Haufinyane tjena, fektheri ea rona e atlehile ho phetha mosebetsi oa tlhahiso ea li-valve tsa DN300 tlas'a tsamaiso e thata ea taolo ea boleng.Tsena li entsoe ka hloko, 'me li entsoe ka nepoli-valve tsa ho hlahloba metsibontša eseng feela botsebi ba rona ba taolo ea mokelikeli, empa hape le boitlamo ba rona ba boleng ba sehlahisoa.Hona joale, li-valve tsohle tsa ho hlahloba li qetile mosebetsi oa ho qetela oa ho hlahloba 'me li kena sethaleng sa ho paka, se haufi le ho romelloa ho moreki.

E le karolo ea bohlokoa tsamaisong ea mokelikeli, mosebetsi o ka sehloohong oa theko ea li-valve tsa ho hlahloba ke ho thibela ho khutlela morao le ho sireletsa ts'ebetso e sireletsehileng le e tsitsitseng ea tsamaiso ea liphaephe.DN300 check valve e hlahisoang ke fektheri ea rona e nka lisebelisoa tse tsoetseng pele le theknoloji, e na le ts'ebetso e ntle ea ho tiisa le ho hanyetsa kutu, 'me e loketse maemo a sa tšoaneng a sebetsang a rarahaneng.Sebopeho sa eona se ikhethang se tiisa hore se ka koaloa ka potlako esita le tlas'a maemo a fapaneng a khatello e phahameng, ka katleho ho qoba ketsahalo ea hamore ea metsi, le ho netefatsa polokeho ea tsamaiso eohle ea liphaephe.

Sekhahla sa valve se nang le flangedka tšebeliso ea litemoso:

1. Motsu o bontša tataiso ea phallo ea mokelikeli, 'me ho kenngoa ho lokela ho etsa bonnete ba hore motsu o supa ka tsela e ts'oanang le phallo ea mokelikeli, ho seng joalo e tla ama ts'ebetso e tloaelehileng ea valve.

2. E le ho netefatsa ts'ebetso e tsitsitseng ea nako e telele ea valve ea ho hlahloba, ho kgothaletswa ho hlahloba le ho e boloka kamehla ho latela buka ea ts'ebetso, haholo-holo likarolo tse apereng tse kang valve disc le selemo.

3. Le hoja li-valve tsa rona tsa ho hlahloba tse entsoeng ka maiketsetso li etselitsoe ho ba le matla a ho jara khatello e phahameng, ho ntse ho hlokahala ho qoba tšebeliso ea ho feta ho lekanngoa ha eona khatello ea ho sebetsa ho qoba tšenyo.

Re ts'episa hore valve e 'ngoe le e' ngoe e sa khutleleng e romelloang e tla jara boitlamo ba rona ba boleng le boikarabello ho bareki ba rona.Nakong e tlang, fektheri ea rona e tla tsoela pele ho khomarela khopolo ea "boqapi, boleng, tšebeletso", le ho ntlafatsa ts'ebetso ea lihlahisoa kamehla ho finyella litlhoko tse fapaneng tsa 'maraka.Ka nako e tšoanang, re boetse re labalabela ho sebetsa le balekane ba bangata ho khothaletsa nts'etsopele le tsoelopele ea indasteri ka kopanelo le ho theha bokamoso bo betere.