Orion II Gas Dryers The Orion II Gas Dryers are capable of achieving levels of less than 5 PPM of moisture and oxygen. They are available in both single and dual column systems and recirculate gas at 2400 CFH. Search for: Our Products: • Projection Welders • Seam Sealers • Spot/Gap Welders • Lid Tackers • Atmosphere Chambers • Vacuum Bake-Out Ovens • Accessory Items • Hermetic Sealing Services