Secondhand Sesan MT-015 5 Liters Steel Oxygen Cylinder with Valve

Objective AI Report

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Report date: 11.12.2025

Medwelt Oxygen Regulator and Oxygen Cylinder Set Analysis Report

Device Identification

The examined visuals belong to a portable oxygen support system intended for medical use. The device set integrally consists of; a high-pressure oxygen cylinder, a pressure-reducing regulator (manometer), a flow meter (flowmeter), and a humidifier water container.

Brand and Model

Detailed examination of the visuals revealed the following brand and manufacturer information:

• Regulator (Manometer): The Medwelt brand is clearly visible on the manometer dial.
• Valve Mechanism: The inscription Kasweld is embossed on the brass valve body on the cylinder. This indicates the manufacturer of the valve assembly.

Areas of Use

This product is designed to provide a controlled amount of pure oxygen to patients experiencing respiratory difficulties. It is used by home care patients and healthcare facilities in cases of COPD, asthma, lung diseases, or emergencies. The amount of oxygen to be administered to the patient can be adjusted in liters/minute via the flow meter.

General Condition and Originality

Upon visual inspection, the product appears clean, well-maintained, and in high condition. The compatibility of the parts, the print quality of the brand logo on the manometer, and the craftsmanship of the materials (brass, chrome, plastic) indicate that the product is original medical equipment. A protective mesh is present on the cylinder.

Physical Deformation and Cosmetic Condition

Observations regarding the physical condition of the product are as follows:

• Cylinder Body: A white mesh cover has been placed over the blue steel body to protect the paint. No deep scratches, rust, or dents were observed in the visible areas.
• Brass Parts: No corrosion or oxidation is visible on the brass material of the valve section. Its color is bright and vibrant.
• Chrome Plating: The chrome platings on the regulator connection tubes are shiny; no peeling or signs of rust were found.
• Plastic Parts: There are no cracks or breaks in the blue on/off valve and humidifier caps.

Mechanical and Technical Specifications (Visual Analysis)

Technical data obtained from the visuals are as follows:

• Pressure Gauge (Manometer): The Medwelt branded manometer has a dial capable of measuring in the range of 0 to 315 bar (0 – 4500 PSI).
• Flow Meter (Flowmeter): The scale on the transparent tube is graduated to allow for 0-15 L/min (0-15 liters per minute) oxygen flow. The ball indicating the flow is at the bottom in the visual.
• Connection Detail: Traces of yellow gasket/Teflon tape used to ensure a leak-proof connection between the valve and the regulator are present; this indicates that the assembly has been performed.
• Valve Type: A standard manual handwheel (blue, flower-type handle) on/off mechanism is present.

Label and Warning Information

The following warning texts, critical for safety, have been identified on the product:

• “USE NO OIL”: Written on both the manometer dial and the blue label on the chrome connection body. This is an international safety warning stating that the device should not come into contact with oily hands or oily substances (against the risk of explosion).
• “UNDER 200BAR”: A warning phrase related to the operating pressure on the connection body.
• O2 Symbol: The chemical symbol “O2”, indicating suitability for oxygen use, is located on the flowmeter.
• Stamps: Numbers related to the manufacturing date and test pressure are pressed onto the metal at the neck of the blue cylinder, but they cannot be fully read from the visual. A stamp starting with “OKSI…” indicates the content of the cylinder.

Accessories and Quantity Information

A single main unit (assembled set) is present in the visuals. The parts of the set are as follows:

• 1 unit Oxygen Cylinder (Blue)
• 1 unit Protective Cylinder Mesh (White)
• 1 unit Regulator and Flowmeter Unit
• 1 unit Humidifier Water Container (Transparent)

Current Usage Status

A certain level of water is observed inside the humidifier water container (the transparent reservoir at the bottom). This detail indicates that the device has been used recently or is kept ready for use. The device may be in an active usage cycle.

Potential Risk Analysis

There are no indications in the visuals that the device is faulty (broken, leaking, faulty gauge). However, such pressure vessels are sensitive to drops and impacts. The humidifier container is plastic and, as it is attached, may risk breaking upon impact during transport. Based on current visual evidence, the device’s condition is very good and appears ready for immediate use.