Madzi-kuthamanga vavu chitetezo

1. Valavu yamagetsi yopanikizika ndi zida zothandizila za valavu yopumira (yosuntha chimbale), kuthamanga kwa kukhumbira ndi kutha kwake ndikokwera kuposa valavu yopumira (yosuntha chimbale), monga momwe valavu yopumira sagwira ntchito m'nyengo yozizira, chimbale chosunthiracho chitha kuzizira, chisindikizo chamadzimadzi chachitetezo chamadzi chimatha kuthyoka poteteza thanki yamafuta.

2. Madzi otsekemera otsekemera adzaikidwa pamwamba pa thanki yamafuta ndikugwiritsanso ntchito valavu yopuma.

3. kuthamanga ulamuliro: + 56mm madzi mzati kuti - 50mm ndime madzi.