medical seamless steel gas cylinder 1. O.D.: 140/152mm 2. Capacity: 10L 3. WP: 15MPa/150BAR 4. Standard: GB5099/ISO9809 medical seamless steel gas cylinder The medical seamless steel gas cylinders are all made of high quality steel, and are supposed to be used repeatedly for keeping permanent gases, such as oxygen, hydrogen, argon, krypton, nitrogen; and high-pressure liquefied gases, such as ...