SPARE PARTS · MANUAL INJECOTR

The 7725i manual injection valve is a manual six way valve produced by Rheodyne Corporation in the United States. It is mainly used in high-performance liquid chromatography (HPLC) systems and is suitable for laboratory research, pharmaceuticals, and environmental monitoring. Its core function is to adopt the patented MBB (Make Before Break) structural design, which maintains the continuity of the mobile phase during sampling and injection switching, effectively reducing pressure fluctuation interference