Adjustable bed chromatography columns used for recycling, ascending, or descending applications.

Completely jacketed for better temperature uniformity, with a single bushing at each end allowing for quick and easy adjustment of the PTFE plunger. The Porosity C (25 to 50 µm) glass disc gives rapid flow with a minimum of mixing. Pressure tight to 3.515 kg/cm² (50 psi) at room temperature or slightly below. PTFE plunger available with PTFE or O-ring seals. Jacket has two Size D hose connections, for use with ³/₈" int.Ø tubing. Fabricated from borosilicate glass.