... , 6.4(Mpa) ANSI 150,300(Psi)Size: 1/2”-16”Suitable medium: Water, steam, petroleum, nitric acid, viscous liquid, strong oxide ... and etc.Medium temperature: -40°C- +180°C Non-metallic material sealing or ... °C Metallic sealingLeakage : 0, measure upthe standard of ANSI B 16.10 A, V levelSphere turning angle : 90°±1-1.5 ...