Welch TXK series glass chromatography columns are designed for reliable, efficient packing and highperformance purification in production and pilot-scale environments. Built with robust 316L stainless steel structures and high-precision medical-grade glass, TXK columns offer strong chemical resistance, stable bed support, and excellent packing reproducibility across a wide range of chromatography media. The innovative manual design enables fast packing with minimal tools, reduces operator workload, and delivers highly repeatable loading performance, making them ideal for pharmaceutical, biotech, natural product, and preparative purification processes.