Imveliso ilandela umgangatho weValve ngokungqongqo.


| into | ixabiso |
| Indawo yemvelaphi | Zhejiang, China |
| Isicelo | Jikelele |
| Iqondo lokushisa lemithombo yeendaba | Amaqondo obushushu aqhelekileyo |
| Imithombo yeendaba | umoya |
| Ulwakhiwo | Ulawulo |
| ifom | Uhlobo lwe-diaphragm |
Imveliso ilandela umgangatho weValve ngokungqongqo.
Sivavanya i-valve nganye ngexesha lokuvelisa, ukulawulwa komgangatho kulawulo, umatshini, ukudibanisa kunye nayo yonke inkqubo ukuqinisekisa umgangatho.