Technical Specifications Category Specification Fisher Part Number 627-1217-29858 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: 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. Leakage Class When assembled with a compatible seat, typically meets ANSI Class IV (0.01% of rated capacity) or better.