Description
D-Type Oxygen Cylinder: Larger capacity, designed for extended home care or clinical use.
Specifications
| Parameter | B-Type Cylinder | D-Type Cylinder |
| Water Capacity | ~5–7 liters | ~10–15 liters |
| Gas Volume | 200–300 liters (at 2000 psi) | 425–680 liters (at 2000 psi) |
| Pressure | 1,500–2,200 psi (≈100–150 bar) | 1,500–2,200 psi (≈100–150 bar) |
| Height | ~18–24 inches (45–60 cm) | ~24–36 inches (60–90 cm) |
| Diameter | ~5–7 inches (12–18 cm) | ~7–9 inches (18–23 cm) |
| Weight (Empty) | ~2.3–3.6 kg | ~6.8–9 kg |
| Material | Aluminum or steel | Aluminum or steel |
Oxygen Duration
Depends on flow rate (prescribed by a doctor):
-
- D-Type:
- At 2 LPM: ~3.5–5.5 hours.
- At 5 LPM: ~1.5–2.5 hours.
- D-Type:
Applications
- D-Type:
- Home oxygen therapy (e.g., COPD, pulmonary fibrosis).
- Hospital wards, post-surgical recovery, palliative care.
Accessories
- Regulator/Flowmeter: Controls oxygen flow
- Carrying Case/Strap: For portable use.
- Humidifier Bottle: Adds moisture to oxygen (optional).
Key Takeaways
- D-Type: Ideal for home care or patients needing extended oxygen.
- Always use medical-grade oxygen and follow safety protocols.
For long-term therapy, consider pairing cylinders with an oxygen concentrator to reduce refill frequency.




