Vespel Rotor Seal Rheodyne Injection Val - 09904802

Perkin Elmer - Vespel Rotor Seal for Rheodyne Injection Valves, Model 9725/7125/7725. The rotor seal is the polymeric disc that makes a high pressure seal against the stator. The seal wears with use and is one of the only parts that may need routine repl