Description Material: Made from high-strength aluminum alloy (e.g., 6061-T6 or 6351-T6). Purpose: Stores compressed medical oxygen (99.5% purity) for therapeutic or emergency use. Advantages: Lightweight: 30–50% lighter than steel cylinders. Corrosion-resistant: Suitable for humid environments. Durable: Withstands high pressure and rough handling. Common Sizes & Specifications Aluminum cylinders are categorized by their water capacity (volume in liters) and gas capacity (volume of compressed oxygen). Type Water Capacity Gas Volume (at 2000 psi) Dimensions (H x Diameter) Weight (Empty) B-Type 3–5 liters 200–300 liters ~18″ x 5″ (45 cm x 12 cm) 2.3–3.6 kg D-Type 10–15 liters 425–680 liters ~30″ x 7″ (76 cm x 18 cm) 6.8–9 kg E-Type 20–30 liters 680–1,000 liters ~36″ x 9″ (91 cm x 23 cm) 11–16 kg Key Features Pressure Rating: Typically 2,000 psi (138 bar). Valve Type: CGA 540 (U.S.) or BS3 (India) for medical oxygen. Color Coding: White body with a black/white shoulder (medical use). Safety Features: Pressure Relief Device (PRD): Releases gas if pressure exceeds safe limits. DOT/ISO Certified: Complies with safety standards Applications Medical: COPD, asthma, post-surgical recovery, palliative care. Emergency: Ambulances, first responders, disaster relief. Aviation: Pilot/passenger oxygen systems. Home Care: Portable oxygen therapy for chronic conditions. Oxygen Duration Depends on flow rate (prescribed by a physician): Safety Guidelines Storage: Keep upright in a cool, dry place away from heat/flames. Transport: Secure with straps to prevent tipping. No Oil/Grease: Avoid contamination (risk of explosion). Leak Checks: Use soapy water to test valve connections. Maintenance Hydrostatic Testing: Required every 5 years (U.S. DOT) or 10 years (ISO). Visual Inspections: Check for dents, scratches, or corrosion. Valve Care: Replace damaged valves immediately. Key Takeaways Aluminum cylinders are ideal for portable oxygen therapy due to their lightweight design. Always use medical-grade oxygen and follow safety protocols to avoid accidents. Pair with a regulator/flowmeter to control oxygen delivery.
