Pressure Sealed DesignSolid, Flexible or Split Wedge DesignBack-seating, Renewable Seat RingFull Port Or Reduced Bore. Size: 2″ - 32″NB. Materials: WCB,LCB,CF8,CF8M,CF3,CF3M,WC6,WC9, C5,C12 or Equivalent, Available also in low temperature steels,low alloy steels, stainless steels, duplex type stainless steels and other exotic materials; Various trim materi--als available to suit service conditions.