4R mndandanda wa 52 wowongolera mpweya wowongolera valavu yamanja yokhala ndi lever

Mbali zazikulu za 4R mndandanda wa 52 wogwiritsidwa ntchito pamanja ndi:

1.Kuwongolera koyenera: Mapangidwe a lever a valve yogwiritsidwa ntchito ndi manja amachititsa kuti kayendetsedwe ka mpweya kakhale kolondola komanso kosinthika, kulola kusintha kolondola kwa kukula kwa mpweya ndi mayendedwe.

2.Kudalirika: Valve yamanja imatengera zida zosindikizira zapamwamba kuti zitsimikizire kusindikiza ndi kukhazikika kwa mpweya. Pakalipano, kapangidwe kake ndi kosavuta komanso kosavuta kusamalira ndi kukonza.

3.Kukhalitsa: Thupi lalikulu la valve yogwiritsidwa ntchito ndi manja limapangidwa ndi zipangizo zolimba, zomwe zimatha kupirira kupanikizika kwakukulu komanso zofunikira zogwiritsira ntchito nthawi yaitali. Ili ndi kukana kwabwino kovala komanso kukana dzimbiri.

4.Chitetezo: Mapangidwe a valve ogwiritsidwa ntchito pamanja amagwirizana ndi miyezo yoyenera yachitetezo, kuonetsetsa chitetezo ndi kudalirika pakugwiritsa ntchito.