Niki CV (coefficient de flux) yimibumbe yisi

Nibihe coefficient ya flux ya globe yisi

Coefficient (Cv agaciro) yumubumbe wisi mubusanzwe iba hagati ya bike na mirongo, kandi agaciro kihariye karahinduka bitewe na diameter nominal ya valve, imiterere, ubwoko bwibanze bwa valve, ibikoresho byicaro bya valve hamwe nuburyo bwo gutunganya neza. Ibikurikira ni bimwe bigereranijwe mubihe bisanzwe:

1. Na diameter

Umubumbe muto wa diameter globe valve.

Hagati ya diametre globe valve: Kubirindiro bya diametre yo hagati yisi ifite umubyimba wa nomero ya 2-1 / 2 Inch (DN65) kugeza kuri 6 Inch (DN150), agaciro ka Cv mubusanzwe kari hagati ya 20 na 60. Urugero, agaciro ka Cv kangana na 2-1 / 2 Inch (DN65) umubumbe wisi ushobora kuba uri hagati ya 20 na 30, Cv agaciro ka 4 Inch (DN100) umubumbe wa DN na 50. kuba hagati ya 45 na 60.

Umuyoboro munini wa diameter.

2. Ukurikije imiterere

Ugororotse unyuze ku isi: Agaciro Cv ni hejuru cyane, mubisanzwe kurwego ruciriritse hagati yimibumbe yisi ya diameter imwe. Kurugero, Cv agaciro ka DN50 igororotse binyuze mumubumbe wisi ni hafi 10 kugeza 15, naho Cv agaciro ka DN100 igororotse binyuze mumubumbe wisi irashobora kuba 30 kugeza 40.

Inguni y'isi: Kuberako inzira yacyo itembera cyane kandi irwanya amazi ni nini, agaciro ka Cv kari munsi gato ugereranije nu mucyo ugororotse. Cv agaciro ka DN50 inguni yisi yose irashobora kuba hafi 8 kugeza 12, naho Cv agaciro ka DN100 inguni ya globe valve ni 25 kugeza 35.

3. Ubwoko bwa valve yibanze

Flat valve yibanze ya globe: Agaciro Cv ni hejuru cyane, kurugero, Cv agaciro ka DN100 igororotse ya valve yibanze ya globe irashobora kuba 40 kugeza 50.

Umuyoboro wuzuye wa globe: Bitewe no guhuza hafi hagati yimikorere ya valve nintebe ya valve, imikorere yo gufunga nibyiza, ariko kurwanya amazi ni binini, kandi agaciro ka Cv ni gake. Cv agaciro ka DN100 conical valve core globe valve irashobora kuba hagati ya 30 na 40.

4. Ukurikije icyicaro cya valve ibikoresho no gutunganya neza

Icyuma cyicaro cyicyuma cyisi: Icyicaro cyicyuma cyicyuma gifite ubukana bwinshi kandi cyananiwe kwambara, ariko ibisabwa gutunganya neza ni byinshi. Niba gutunganya neza ari byinshi, Cv agaciro irashobora kugera kurwego rwo hejuru rwubwoko bumwe bwa valve; niba gutunganya neza bidahagije, kashe yo hejuru irashobora kutaringaniza kandi agaciro ka Cv kazagabanuka. Kurugero, Cv agaciro ka DN80 icyuma cya valve icyicaro cyisi ya valve hamwe nogutunganya neza neza birashobora kuba hagati ya 30 na 35, naho Cv agaciro ka rusange gutunganya neza birashobora kuba hagati ya 25 na 30.

Icyicaro cyoroshye cyicaro cyisi: Niba ibikoresho byoroshye nka polytetrafluoroethylene bikoreshwa nkintebe za valve, imikorere ya kashe ni nziza, ariko ibikoresho byoroshye birashobora guhinduka munsi yubushyuhe bwinshi cyangwa umuvuduko mwinshi, bikagira ingaruka kuri coefficient de flux. DN65 yoroshye yicaye kwisi irashobora kugira Cv agaciro ka 20 kugeza 25.

Incamake

Isi ya valve nigikoresho cyingenzi cyo kugenzura ibintu. Coefficient yacyo ni ikintu cyingenzi gisobanura ubushobozi bwayo kandi igomba kubarwa no guhitamo neza. Gusobanukirwa nibintu bigira ingaruka kubishobora gutemba birashobora gufasha guhitamo valve yisi ikwiye kugirango imikorere isanzwe ya sisitemu.