Keling Portable Medical Oxygen Cylinder, 2 L and 4 L
A portable medical oxygen cylinder in two sizes, 2 L and 4 L, with the pressure-reducing valve and the safety valve built into its body and a flow regulator giving a steady outlet pressure. The treating doctor sets the oxygen amount and duration.
1-year warranty
On Keling products, from the date of purchase.
Service for the product's life
With genuine spare parts.
Accredited maintenance centre
By the General Authority for Industrial Control.
Direct Keling agent
In the medical equipment trade since 1987, with 4 branches.
This cylinder may suit you if...
The treating doctor sets the oxygen. These are the uses the cylinder is made for.
You need oxygen on the move
Portable and light, easy to carry.
You want a backup oxygen source
Its regulator is built in, no separate regulator needed.
You prefer a smaller or larger size
Two sizes: 2 L and 4 L.
The built-in regulator in one line: the pressure-reducing valve sits inside the cylinder body, so oxygen comes out at a steady pressure without opening the lower valve.
Keling cylinder features
Two sizes
2 L (KL-OX-2L) and 4 L (KL-OX-4L).
Built-in flow regulator
Steady outlet pressure.
Built-in safety valve
Alongside the pressure-reducing valve in the body.
No need to open the lower valve
While taking oxygen.
Light
3.5 kg in 2 L and 6 kg in 4 L.
15 MPa working pressure
And a 22.5 MPa test pressure.
Technical specifications
Output & modes
- Working pressure
- 15 MPa
Safety
- Test pressure
- 22.5 MPa
Physical
- Size
- 2 L: 380 mm high, 108 mm diameter · 4 L: 540 mm high, 121 mm diameter
- Cylinder weight
- 2 L: 3.5 kg · 4 L: 6 kg
- Wall thickness
- 2 L: 2.9 mm · 4 L: 2.8 mm
Warranty & after-sales
- Ali Ben Ali warranty
- 1 year
Identity
- Type
- Portable medical oxygen cylinder, in two sizes
- Options
- 2 L and 4 L
- Models
- 2 L: KL-OX-2L · 4 L: KL-OX-4L
- Fittings
- Pressure-reducing valve and safety valve built into the cylinder body, with a flow regulator giving a steady outlet pressure
Frequently asked questions
About the KL-OX-2L / KL-OX-4L
What is the difference between 2 L and 4 L?
The 2 L is 380 mm high and weighs 3.5 kg; the 4 L is 540 mm high and weighs 6 kg. Both work at 15 MPa.
Who sets the oxygen amount?
The treating doctor sets the flow rate and how long to use it.
Is the regulator built in or fitted separately?
Built in. The pressure-reducing valve and the flow regulator are built into the cylinder body, so oxygen comes out at a steady pressure.
Is it easy to carry around?
Yes, it is portable and light: 3.5 kg in 2 L and 6 kg in 4 L.
Is the cylinder safe?
It has a built-in safety valve alongside the pressure-reducing valve. Working pressure is 15 MPa and test pressure 22.5 MPa.
About buying medical devices from Ali Ben Ali
Is the product genuine, and how can I be sure?
We are a direct Keling agent; the product comes straight from the factory with the Ali Ben Ali warranty. You can also see it in person at any of our branches before you buy.
How long is the warranty, and who provides it?
One year from Ali Ben Ali from the date of purchase on Keling products. The warranty is ours directly, not a third party's; for any question about coverage, call the hotline 01212333328.
Maintenance centresIf the product needs service after the warranty, who repairs it?
Our maintenance centre at 31 El Rashidy St – Kasr El Aini, accredited by the General Authority for Industrial Control. Service and genuine spare parts stay available for the product's whole life.
Maintenance centresCan I return or exchange the device?
Yes, within 14 days of delivery, if it is unused, complete with its accessories and in its original packaging. If it arrives defective or different from your order, we replace it or refund it in full. Masks, tubing and any items that contact the patient cannot be returned once opened, for hygiene reasons. Return shipping is on us for a defect or a wrong item; otherwise the customer pays it, unless a free-shipping offer applies.
Exchange and returns policyDo I need a prescription or a doctor's report to buy?
The treating doctor decides whether you need oxygen and sets its flow rate and duration. That is why it is best to have the doctor's recommendation before you buy.
Do you deliver and install? Should I buy online or at a branch?
We deliver and install in 27 governorates within Egypt. Shipping fees are set after you order and agreed with you by phone or WhatsApp before dispatch. Order on the website or on WhatsApp, or visit our branches: Rashidy and Bostan in Cairo, Alexandria and Mansoura.
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Specifications last updated: 2026-09-18















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