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Indlela ezintathu zombane zokuhambisa amanzi ngesifudumezi soxinzelelo oluphezulu

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Iimpawu zemveliso

Chwetheza  Ezintathu-indlela Valve
Umzekelo  F963Y-2500LB, F963Y-420
Ububanzi begama  I-DN 350-600

Ngexesha lokusebenza kwesiqhelo sesifudumezi soxinzelelo oluphezulu lwe-600 ukuya kwi-1,000MW iyunithi yamandla obushushu (eyokugqibela) Ukuhanjiswa kwamanzi kwibhoyila kungena kwisifudumezi esinoxinzelelo oluphezulu ukusuka kwindlela ephambili ngaphambi kokungena kwibhoyila ngevalve yendlela ezintathu kwindawo yokufudumeza ngamandla.

  1. Umzimba wevalufa kunye nebhonethi yamkela isakhiwo sentsimbi esenziwe ngokupheleleyo.
  2. Uhlobo lokutywina lomzimba wevalve kunye nebhonethi yamkela uxinzelelo lokutywina.
  3. Uyilo lwevalve luyilelwe ngezihlalo zevalvu eziphezulu nezisezantsi. Xa ivelufa inyuka ukuya kuvulwa kwaye unikezelo lwamanzi lungena kwisifudumezi soxinzelelo oluphezulu, isiseko sevalve siqhakamshelana nesihlalo sevalve esingaphezulu sokutywina ukuthintela unikezelo lwamanzi ekungeneni ngokudlula; xa ivelufa iyehla ukuvalwa kwaye unikezelo lwamanzi lungena kwibhoyila ngokudlula, isiseko sevalve sinxibelelana nesihlalo esisezantsi sevalve yokutywina ukuqinisekisa ukunqunyulwa kunye nokulungiswa kwesifudumezi soxinzelelo oluphezulu.
  4. Isihlalo sevalve esingaphezulu kunye nebhonethi yevalve yamkela uhlobo loqhekeko ukulungiselela ukuqaqamba.
  5. Ukudlula apho unikezelo lwamanzi luhamba khona luxhotyiswe ngezinto zokunyusa, ukubonelela ngokulahleka koxinzelelo olufanayo njengombhobho ophakamileyo woxinzelelo lombhobho apho kudlula khona ukuthintela ukuhla koxinzelelo lokuhambisa amanzi.
  6. Kwimeko yokucinywa kwesifudumezi esinoxinzelelo oluphezulu, ivili lesandla elikwindawo ephezulu yevalve linokunceda ekuvalweni kwevalve ngokunganyanzelekanga.
  7. Izinto zokunyibilikisa kwindawo yokungena ye-valve yokuhamba ngeendlela ezintathu kunye nesihlalo sevalve esiphezulu samkela uyilo oludibeneyo kwaye akufuneki zongezwe ngokungafaniyo.

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