Category Specification Fisher Part Number 627-1217-29855 Description Trim & Plug Kit Assembly Applicable Valve Series Fisher ED, EDT, ES, EST, ET Series Eccentric Rotary Valves Trim Type Eccentric Rotary Plug Trim Plug Type Standard Eccentric Plug Flow Characteristic Standard (Approximately Equal Percentage) Primary Material Plug (Valve Ball): Hardened 17-4PH Stainless Steel Sleeve/Seat: Typically 17-4PH SS or 316 SS Hardness Plug is heat-treated (hardened) for enhanced wear and cavitation resistance. Seat Leakage Classification When assembled with a compatible seat, typically meets ANSI Class IV (0.01% of rated capacity) or better. Typical Service General service for liquids, gases, and steam. Ideal for applications requiring good shut-off and erosion resistance.