Series of Rotating Metal Bellow seals, static o-ring is used as a secondary member. The absence of dynamic o-ring prevents possibility of seal hangup or damage the shaft or sleeves. As a standard, AM 350 Bellow cores are used. For chemical compatibility Alloy C-276 or Alloy 20 bellow cores can be used.
Carbon, SiC, TC
SS 316, Hastelloy C, Alloy 20
Independent of direction of rotation.
Standard API 682 Arrangement 3 Type A for pressurized barrier configurations.