Teflon Bellow Unbalanced Seal

STS-71 Seal are externally mounted Teflon bellow seal. It is mainly use to handle at corrosive media. Because the design of this seal elements the contact between metal parts of the seal and corrosive liquid which it handles. The seal contain PTFA+GFT composite bellows which is hydraulically balanced and is machined with high precision to form the prescribed contour.