Vavu ndi chiyani?
Vavu, mu uinjiniya wamakina, chipangizo chowongolera kutuluka kwamadzi (zamadzimadzi, mpweya, slurries) mupaipi kapena mpanda wina.Kuwongolera kumachitika pogwiritsa ntchito chinthu chosunthika chomwe chimatsegula, kutseka, kapena kutsekereza pang'ono polowera panjira.Mavavu ali a mitundu isanu ndi iwiri ikuluikulu: globe, chipata, singano, pulagi (tambala), butterfly, poppet, ndi spool.

Kodi ma valve amagwira ntchito bwanji?
Valavu ndi chipangizo chomakina chomwe chimatchinga chitoliro pang'ono kapena kwathunthu kuti chisinthe kuchuluka kwa madzi omwe amadutsamo.

Kodi mavavu owongolera zida amagwiritsidwa ntchito pati?
Valve yowongolera ndi valavu yomwe imagwiritsidwa ntchito kuwongolera kuyenda kwamadzimadzi posintha kukula kwa ndime yoyenda monga momwe amawongolera ndi chizindikiro chochokera kwa wowongolera.Izi zimathandiza kulamulira mwachindunji otaya mlingo ndi consequential kulamulira ndondomeko zedi monga kuthamanga, kutentha, ndi madzi mlingo.

Kodi mavavu amitundu yosiyanasiyana ndi ati?
Mitundu yosiyanasiyana ya ma valve ilipo: chipata, globe, pulagi, mpira, butterfly, cheke, diaphragm, pinch, mpumulo wa kupanikizika, ma valve olamulira ndi zina.

Kodi mavavu amitundu yosiyanasiyana ndi ati?
Mavavu olumikizira (mavavu a mipando), ma valve a mpira, & ma valve agulugufe ndi mitundu yodziwika bwino ya ma valve omwe amagwiritsidwa ntchito potenthetsa, mpweya wabwino, ndi makina owongolera mpweya.Ma valve ena omwe amagwiritsidwa ntchito pamakina ophatikizira ma valve a zipata za mpeni, ma valve a diaphragm, ndi ma valve a zipata.

Mitundu yosiyanasiyana ya ma valve imagwiritsidwa ntchito m'magawo osiyanasiyana.m'nkhaniyi anatchula 19 mitundu ya mavavu.
1. Vavu ya globe
2. Valve yachipata
3. Vavu ya mpira
4. Vavu yagulugufe
5. Vavu ya diaphragm
6. Pulagi vavu
7. Valavu ya singano
8. Valovu ya ngodya
9. kutsina valavu
10. Valavu yotsegula
11. Valavu yapansi yothira
12. Valavu ya solenoid
13. Vavu yowongolera
14. Vavu yoyendetsa kayendedwe ka kayendedwe
15. Vavu yowongolera kupanikizika kumbuyo
16. valavu ya Y-mtundu
17. Vavu ya pistoni
18. Valavu yowongolera kuthamanga
19. Chongani valve