Technical Specifications Category Specification Fisher Part Number 627 119-5 Description Trim Part (e.g., Seat Ring) Applicable Valve Series Fisher ED, ES, ET (Eccentric Rotary) Component Type Replaceable Trim Part Primary Function Provides the sealing surface and defines flow geometry. Replaces worn parts to restore valve shut-off and performance. Materials of Construction Typically Stainless Steel (e.g., 316 SS) or Hardened Stainless Steel (e.g., 17-4PH) for erosion and cavitation resistance. The exact material is specific to this part number. Pressure Class Dependent on the parent valve body (e.g., ANSI Class 150, 300, 600). Leakage Class When installed with a matching plug, typically designed to achieve ANSI Class IV or better shut-off.