... valve 1. Material: cast iron, ductile iron 2. Diameter: 2 inches(50mm) to 8 inches(200mm ... . 1.2Mpa and 1.6Mpa Name: cast iron gate valveInterface type: flangeMaterial: iron body and bronze mounted, stainless steel trim, ... or all iron trim are also availableSize: 2", 3", 4", 5", ... compression strength: 1.5MPa, 2.4MPa, 3.75MPaSeal test: 1.1MPa, 1.76MPa, 2.75MPa