... include globe valves,check valves,safety valves,ball valves,butterfly valves,diaphragm valves,mud valve ect.And it has ... Manufacture standard: API609Inspection and Test: API598 Mutilevel sealing flange butterfly valve1,With 3D Eccentric structure ,the sealing ring of ... ,3D eccentricity,resistant to high temperature ,corrosion and abrasion.Specifications:1) Pressure class: 150 - 300lbs 2) Size: 2- 48" ...