Features: 1) Sizes: ID 1" - 160" 2) Materials of Bellows: SUS304, SUS316, SUS316L 3)Material of other parts: Carbon Steel Features:1) Sizes: ID 1" - 160"2) Materials: SUS304, SUS316, SUS316L3)Material of other parts: Carbon Steel4) Working temperature: -3,200°F - +11,200°F5)Medium:Water, air,etc.