Technical Specifications Category Specification Fisher Part Number 627-496 Description Trim & Plug Kit or Seat Ring Applicable Valve Series Fisher ED, ES, ET (Eccentric Rotary) Component Type Replaceable Trim Part (e.g., Seat Ring, Plug Kit) Primary Function Provides the sealing surface and flow characterization. Replaces worn parts to restore valve performance. Materials of Construction Typically Stainless Steel (e.g., 316 SS) or Hardened Stainless Steel (e.g., 17-4PH) for erosion 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.
