Band Signal Function of Electromagnetic Valve DN:3-500mm Pressure:0-100MPa Media:water,gas,oil,corrosive fluid Band Signal Function of Electromagnetic ValveDN:3-500mmPressure:0-100MPaMedia:water,gas,oil,corrosive fluid Material:stainless steel,brass,cast steelConnection:flange,welding,internal thread Band Signal Function of Electromagnetic Valve