Gardner Denver heatless dual-tower adsorption (desiccant) dryers operating on the PSA (Pressure Swing Adsorption) principle. Four standard ISO PDP class levels available, from -20 °C to -70 °C. Series: DGH (large applications), XGHL (low-profile with rear connections), GHLD (compact footprint), and GDHM (dual-tower PSA with memory function). NEMA 4 enclosure suitable for indoor and outdoor installation. Three controller options — basic, standard, and energy savings.
