... equipments as Fire Safe Test Device of through Loyd’s, Cryogenic Test Device, Torque Test System and Fugitive Emission Test system equipment, which ... API609Inspection and Test: API598 Mutilevel sealing flange butterfly valve1,With 3D Eccentric structure ,the sealing ring of valve body adopts a ... Suitable medium: water, oil, gas,vapor,steam etc.5) Body and disc material: WCB, CF3, CF8, CF3M, CF8M etc.6 ...