Specifications: 1) Sizes: 1/2 - 10" 2) Pressure class: 150 - 600lb. 3) Suitable temperature: -20 ~ 180oC 4) Suitable medium: water, steam, oil products, nitric acid, acetic acid 5) Body material: wcb, wc6, wc9, cf8, cf8m, cf3, cf3m 6) Connection: FF, RF