1. Thevalavu lokondiyosavuta kukhazikitsa ndikugwiritsa ntchito, ndipo ndiyosavuta kugwiritsa ntchito.Zimapangidwa mwapadera kuchokera ku mbale zazitsulo zosapanga dzimbiri zopanga mafakitale ndi zida za polyester.

2. Chokhalitsa.Mapangidwe abwino kwambiri a shark shark clamping,

3. Chotchinga cha valve pachipata chimakhala chophatikizika komanso cholimba.

4. Ndi ntchito zonse, imatha kutseka ma valve a zipata zazomwe zimagwiritsidwa ntchito ndi zitsanzo pamakona oblique.

5. Ndondomeko yosinthika ya mkono, chitetezo chikhoza kusinthidwa molondola.

6. Pokhala ndi kutentha kwabwino, kukana kwa dzimbiri komanso kusungunuka kwamadzimadzi, kungagwiritsidwe ntchito m'malo osiyanasiyana achilengedwe.

Kugwiritsa ntchito kwambiri zinthu zotsekera ma valve: 1.Mavavu a butterflyamagwiritsidwa ntchito m'mafakitale opangira mafuta, malo opangira mankhwala, ndi mapaipi opangira mafakitale.

2. Amagwiritsidwa ntchito poteteza chitetezo mavavu agulugufe a machitidwe a mapaipi m'madipatimenti aboma monga uinjiniya wosunga madzi, uinjiniya wamagetsi amagetsi, ndi zomangamanga zamatauni.

3. Amagwiritsidwa ntchito poteteza chitetezo cha ma valve agulugufe m'mapaipi akuluakulu ndi apakatikati monga makampani opanga mankhwala, makampani a mapepala, zitsulo, zakumwa, ndi zina zotero.

4. Mavavu agulugufe omwe amagwiritsidwa ntchito pokonza chitetezo cha mapaipi monga mafakitale omanga, nyumba zogona zamalonda, kukhazikitsa mapaipi anyumba ndi kukongoletsa mkati.

5. Imagwira ntchito pamapaipi ena onse, monga mavavu agulugufe ndi zida zotetezera chitetezo.