... ,Neutral gases,liquids,Corrosive,Acidic SubstancesConnection:Welded,Tri-clamp,Wafer,Thread Pressure:1.6,2.5,4.0MPa Diameter:DN8-100mmSize ... for you accurately and timely: 1. Product name and model2. DN 3. Nominal pressure and differential pressure 4. Valve and valve components of materials 5 ...