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.
