Chii chinonzi vharuvhu?
Valvu, muinjiniya yemakanika, mudziyo wekudzora kuyerera kwemvura (mvura, magasi, slurry) mupombi kana imwe nzvimbo yakavharirwa. Kudzora kunoitwa nechinhu chinofambiswa chinovhura, chinovhara, kana kuvhara zvishoma buri riri munzira. Mavalvu ane mhando nomwe huru: globe, gate, netsono, plug (cock), butterfly, poppet, uye spool.

Mavharuvhu anoshanda sei?
Vharuvhu chishandiso chemuchina chinovhara pombi zvishoma kana zvachose kuti chishandure huwandu hwemvura inopfuura nepairi.

Mavharuvhu ekudzora zvinhu aishandiswa kupi?
Vharuvhu yekudzora ivharuvhu inoshandiswa kudzora kuyerera kwemvura nekushandura saizi yenzira yekuyerera sezvinorayirwa nechiratidzo chinobva kumutongi. Izvi zvinogonesa kudzora zvakananga mwero wekuyerera kwemvura uye kudzora huwandu hwemaitiro akadai sekumanikidzwa, tembiricha, uye mwero wemvura.

Ndeapi marudzi akasiyana emavharuvhu?
Mhando dzakasiyana dzemavharuvhu dziripo: gedhi, globe, plug, bhora, butterfly, check, diaphragm, pinch, relief pressure, control valves nezvimwewo. Imwe neimwe yemhando idzi ine mhando dzakasiyana, imwe neimwe ine maficha akasiyana uye kugona kushanda.

Marudzi akasiyana-siyana emavharuvhu anoshandiswa pai?
Mavharuvhu eplug (seat valves), mavharuvhu ebhora, uye mavharuvhu ebhururu ndiwo marudzi akajairika emavharuvhu anoshandiswa mukudziyisa, kufefetedza, uye mumhepo inotonhodza. Mamwe mavharuvhu anoshandiswa musystem iyi anosanganisira mavharuvhu egedhi rebanga, mavharuvhu ediaphragm, uye mavharuvhu egedhi.

Mashandisirwo akasiyana emavharuvhu muzvikamu zvakasiyana. Muchinyorwa chino tataura nezvemarudzi gumi nemapfumbamwe emavharuvhu.
1. Vharuvhu yeguruva
2. Vharuvhu yegedhi
3. Vharuvhu yebhora
4. Vharuvhu yeshavishavi
5. Vharuvhu yedhirafu
6. Vharuvhu yepuragi
7. Vharuvhu yetsono
8. Vharuvhu yekona
9. Vharuvhu yekupwanya
10. Vharuvhu inotsvedza
11. Vharuvhu yekugezesa pasi
12. Vharuvhu yeSolenoid
13. Vharuvhu Yekudzora
14. Vharuvhu inotonga kuyerera
15. Vharuvhu inodzora kumanikidzwa kwemusana
16. Vharuvhu yerudzi rweY
17. Vharuvhu yepistoni
18. Vharuvhu inotonga kumanikidzwa
19. Vharuvhu yekutarisa