OS&Y Type gate valve flanged having working pressure of 200 psi, Viking UK or Kitz Japan or equivalent make Dia 2β, 2.5β, 3β, 4β, 6β, 8β . Swing type NON Return valve flanged having working pressure 200 psi, Viking USA or Kitz Japan or equivalent make Dia 2β, 2.5β, 3β, 4β, 6β, 8β, Ball Valve make Kitz Japan 0.5β, 1β, 1.5β, 2β, 2.5β, 3β, 4β Dia