Secondhand Sesan MT-036 4 Liter Pin Index Aluminum Oxygen Cylinder

Objective AI Report

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Report date: 06.02.2026

Gez Medical Instruments Oxygen Regulator and Aluminum Oxygen Cylinder Analysis Report

Device Identification

The images show a white seamless aluminum oxygen cylinder suitable for medical use, and a blue oxygen regulator integrated into the neck of this cylinder. The device is a portable medical set that functions to store oxygen and provide oxygen flow at a suitable pressure for patient use. Although the product appears as a single main part, it consists of two main components: the cylinder and the head (regulator).

Brand and Model

As a result of detailed examination, the brand and technical details on the regulator (head) part of the device are clearly legible:

• Brand: On the upper left part of the regulator, “Gez Sağlık Ürünleri…” and immediately below it, the international phrase GEZ MEDICAL INSTRUMENTS are clearly visible. Therefore, the regulator part of the product is definitively branded GEZ MEDICAL INSTRUMENTS.
• Model/Type Identification: The phrase “Brass Integral 50 PSI O2 Reg” is present on the body of the regulator. This technically defines the product as a brass-integrated oxygen regulator with a 50 PSI outlet pressure. Additionally, the UL certification number “LISTED SA33130” code is located on the pressure gauge.

Important Note: Although material codes such as “AA6061 T6” are present as press prints on the metal body of the cylinder, a 100% clearly legible, painted or labeled brand indication for the cylinder’s manufacturer (Luxfer, Worthington, etc.) could not be distinguished in the images. Only a text fragment ending with “…TECH” is visible in the prints on the neck part. For this reason, brand identification was made through the regulator, which is the most prominent and functional part of the product.

Authenticity

The quality of the silk-screen prints on the product, the neatness of the laser or paint-engraved texts on the regulator body, and the “UL” (Underwriters Laboratories) certification logo inside the manometer indicate that the product is an original medical equipment. Serial number prints and warning labels compliant with standards, which are generally not seen in aftermarket or counterfeit products, are present.

Areas of Use

This device is used to provide pure oxygen for patients who require respiratory support. Due to its portable size, it is suitable for:

• Home care services,
• Ambulance and emergency response kits,
• Intra-hospital patient transfers,
• Mobile oxygen needs of patients with chronic respiratory illnesses (e.g., COPD).

Quantity Information

The images show a total of 1 set of assembled oxygen cylinder and regulator. No external box, mask, cannula, or additional accessories are present in the image.

General Condition and State

Visually, the product is in “New” or “Lightly Used/Display” condition. The white protective mesh covering the cylinder body is installed to prevent scratches during shipping or storage and is undamaged. There is no corrosion, rust, or significant wear marks on the metal surfaces. The blue paint of the regulator is vibrant, and no paint chipping is observed on it.

Manometer and Fill Level Analysis (Battery/Capacity Status)

Upon examining the analog pressure gauge (manometer) located on the regulator:

• The indicator needle is observed to be within the Green Zone (FULL).
• The needle shows approximately 2000 PSI.

This visual evidence indicates that the cylinder is currently fully filled and ready for use. The cylinder is not empty.

Physical and Mechanical Component Examination

• Cylinder Body: No dents, dings, or deep scratches were detected on the white painted aluminum body. The protective mesh has ensured the body remains clean.
• Valve/On-Off Lever: The metal (silver-colored) on-off lever on the upper part of the regulator is intact and in place. There is no bending.
• Flow Adjustment Knob: The black, knurled flow adjustment knob at the end of the regulator is intact. The “0” position is visible on it, meaning the gas flow is currently in the closed position.
• Gas Outlet (Nipple): The metal outlet tip (nipple) where the oxygen hose will be connected appears intact and clean.

Label and Technical Stamp Information

The metal stamps pressed onto the neck of the cylinder and the writings on the regulator contain the following technical details:

• Regulator Series/Ref: The certification code “LISTED SA33130” is present on the body.
• Material Information: The stamp “AA6061 T6” is on the cylinder neck. This proves that the cylinder is made from high-strength 6061 T6 aluminum alloy. This material is lightweight and corrosion-resistant.
• Serial Number (Cylinder): The number “0012846” is legible on the cylinder neck. This is likely the unique serial number of the cylinder.
• Pressure Values: The phrase “PW200 PH3000” seen among the stamps indicates technical pressure values (PW: Service Pressure / PH: Test Pressure might be technical abbreviations, 3000 PSI may indicate test pressure).
• Warnings: Inside the manometer, there is a warning in red letters: “OXYGEN USE NO OIL”. This is a vital warning due to the risk of flammable/explosive effects when oxygen comes into contact with oil.

Dimensions and Compatibility

Although there is no meter or scale for reference in the images, observing the shape of the cylinder relative to the size of the regulator, it is understood to be a portable type of cylinder commonly used in the medical sector (estimated to be in the range of 2 to 5 liters water volume). The valve system, which resembles a “Pin Index” structure but appears integrated, is compatible with standard medical oxygen cannulas and masks.

Documents and Year of Manufacture

No warranty certificate or paper invoice is present in the image. An inscription like “… / 2023” is noticeable at the end of the stamps on the cylinder (though not perfectly clear depending on the image angle). This date could be the year of manufacture or the last test date. However, since it is engraved on metal, it is permanent data.

Current Faults and Potential Risks

• Current Fault: No broken, detached parts, or deformation are visible in the images. The manometer showing full indicates that the system is not leaking gas (maintaining airtightness).
• Potential Risk: As the device contains high-pressure oxygen, the “Use No Oil” warning on the manometer must be strictly adhered to. Visually, it does not pose a mechanical risk, but since it is a medical gas device, it is recommended that an authorized service check the periodic test date before use.