Variants: Body type B1 (Wafer) Size range DN32 – 600 Ductile Iron, Stainless steel & Carbon steel body 2 piece body Stainless or Carbon steel PFA coated or uncoated disc options 1 piece disc and shaft and PTFE or PFA liner. Various disc materials available including special execution, cleaned high purity, Stainless body, FDA and ultraflon liner.