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Oxygen Tank D/M-15 (M Oxygen Cylinder): Portable Refillable Aluminum O₂ Bottle w/ CGA-870 Toggle Valve for EMS, First Aid Kits & Home Backup
The D/M-15 oxygen tank (called a D cylinder or M-15 oxygen bottle) is a portable, refillable aluminum oxygen cylinder engineered for safe, reliable emergency oxygen delivery.
Built with a CGA-870 toggle post valve for fast on/off control, this medical-grade oxygen tank works with all standard oxygen regulators, masks, and nasal cannulas, making it ideal for first aid kits, EMS responders, clinics, and home emergency oxygen backup.
M Oxygen Tank Key Features
- Portable medical oxygen tank — size D / M-15 (M cylinder / D cylinder)
- CGA-870 toggle (post) valve → fast, tool-free on/off
- Lightweight aluminium oxygen cylinder for easier carry + kit fit
- Capacity ~14–15 cu ft (~404–425 L) at ~2015 psi
- Works with standard O2 regulators, masks & cannulas
- Best for first-aid kits, EMS bags, short-term oxygen therapy
- Brand: Metal Impact South
- Free returns + secure PayPal checkout
M Oxygen Cylinder Specifications
| Specification | Typical Value | Notes |
|---|---|---|
| Size / Designation | D / M-15 (M cylinder) | Also known as D cylinder |
| Valve / Outlet | CGA-870 toggle (post) | Standard medical post valve |
| Material | Aluminium | Lightweight + durable |
| Gas Capacity | ~14.315 cu ft (~404425 L) | Standard vs jumbo varies slightly |
| Empty Weight | ~610 lb | Ships empty |
| Application | Portable oxygen tank for emergency / medical use | Meets DOT handling |
NOTE: Cylinders must meet DOT standards + require hydrostatic testing every 5 years.
How Long Will a D/M-15 Oxygen Tank Last?
You may think about how long a D/M-15 oxygen tank lasts. Don’t worry, here’s a quick and reliable way to estimate it.
Here is a Quick formula:Run-time (minutes) ≈ (PSI − 200) × 0.16 ÷ Flow (LPM)
- PSI = Cylinder pressure when full
- 200 PSI = Reserved safety pressure (don’t use below this)
- 0.16 = Conversion factor for D/M-15 tanks
- Flow (LPM) = Oxygen flow rate in liters per minute
This formula gives an approximate oxygen tank runtime in minutes.
Typical Run Times for a 425L M Cylinder (D/M-15 Oxygen Tank)
At ~2000 PSI (with 200 PSI reserve):
- 1 L/min ≈ 7h 05m
- 2 L/min ≈ 3h 32m
- 4 L/min ≈ 1h 46m
- 6 L/min ≈ 1h 10m
- 10 L/min ≈ 42m
Note: Actual oxygen tank runtime can shift by ~10–20% due to regulator bleed, PSI variances, cylinder fill accuracy, and real flow rate demand. These numbers are standardized estimates for typical D/M-15 oxygen cylinders (~425L).
D/M-15 vs E-Size (M-24) Oxygen Cylinder: Which One Should You Choose?
The D/M-15 (this product) is best for mobility + emergency kits. The E-size is better for longer home sessions.
- Choose D/M-15 = travel, EMS, first-aid kits
- Choose E-size = longer clinical / home use
Oxygen Tank Comparison Chart
| Feature | D/M-15 Oxygen Cylinder (This Product) | E-Size (M-24) |
|---|---|---|
| Capacity | ~425 L (~15 cu ft) | ~680 L (~24 cu ft) |
| Weight | ~610 lb | ~812 lb |
| Portability | Excellent fits easily in first-aid or emergency kits | Moderate often requires a cart |
| Best Use | Mobile use, travel, and first-aid response in emergency situations | Longer-duration oxygen therapy and home use |
Oxygen Tank Safety, Handling & Best Practices
- Store upright in a cool, well-ventilated area
- Never use oil / grease on oxygen fittings (fire risk)
- Use only CGA-870 medical oxygen regulators
- Check hydrostatic test date before filling (usually 5-year cycle)
- Do not drop, puncture, or expose to flame
- Follow DOT + FDA rules for medical oxygen handling
- Cylinders ship empty for compliance + safety
Tip: Pair with a fire-resistant wool blanket for O₂ tank safety — and keep pressure bandages + burn kits in your first-aid setup for complete emergency preparedness.
Ordering & Shipping Information for M Oxygen Tanks (M Cylinder / O2 Tank)
- Ships empty per DOT Hazmat rules
- Refills must be done by authorized oxygen fill stations only
- Some regions require prescription for medical O₂ refills
Frequently Asked Questions About M Oxygen Tank (D/M-15)
Essential details on the D/M-15 portable oxygen cylinder, including capacity, regulators, refilling, and runtime for medical and emergency use.
Yes, both the D cylinder and the M-15 oxygen tank refer to the same size. The difference is only in the naming convention, which can vary by manufacturer or supplier.
The D/M-15 cylinder uses a CGA-870 post (toggle) valve, which is compatible with all standard CGA-870 oxygen regulators.
The D/M-15 Cylinder with Toggle Valve holds approximately 404425 litres of oxygen at its rated service pressure.
Yes. D/M-15 oxygen cylinders can be refilled by licensed and authorised medical gas suppliers. Always ensure refilling is done at certified refill stations and in compliance with local or regional safety regulations.
Yes, some suppliers require a valid prescription for refilling medical oxygen tanks. Please check with your oxygen provider or healthcare professional to confirm the specific requirements in your area.
A D/M-15 oxygen tank (~425 L) typically lasts ~2.4 hours at 2 LPM. Runtime depends on 4 variables: starting PSI, regulator accuracy, bleed-loss, and the patients actual flow rate. A simple rule: Runtime (minutes) ≈ (PSI − 200) Χ 0.16 χ LPM. Higher flow = faster empty. For example: 5 LPM ≈ ~1 hour, 10 LPM ≈ ~42 minutes. These values are estimates always leave 200-PSI reserve for safety.
Portable oxygen cylinders support breathing during respiratory distress, asthma flare ups, COPD exacerbations, trauma care, and emergency response when oxygen saturation drops.
This tank uses a CGA-870 post valve, compatible with standard CGA-870 oxygen regulators used in EMS and medical first-aid kits.
Yes this cylinder is refillable. Always refill only at licensed medical gas suppliers and ensure the hydrotest date is current.
Yes D cylinder and M-15 are two naming conventions for the same portable medical oxygen cylinder category.
Yes, if secured upright, away from heat sources, and protected from impact. Never use oil or grease on oxygen fittings this increases fire risk.