Ivalvu yokuhlola isho ivalvu okuvula kwayo nokuvala izingxenye zayo okungamadiski ayindilinga futhi incike esisindweni sayo kanye nengcindezi ephakathi nendawo ukuze ikhiqize izenzo zokuvimba ukugeleza emuva kwe-medium.
Usayizi:1″;1-1/2″;2″;
Inombolo yomthetho: X9501
Incazelo: Hlola Valve