K9402UN is an industrial-grade O-Ring manufactured by Yokogawa Electric

This spare part is designed for process analytical instruments to ensure tight, leak-free sealing in demanding industrial environments:Compatible Equipment: It is primarily used in Yokogawa’s GC1000 Mark II and GC8000 series Process Gas Chromatographs.Primary Function: It seals critical valves, flow paths, or detector modules, preventing the leakage of carrier or sample gases under high temperatures, pressures, or corrosive conditions.