Secondhand Veron VRN-801 15L/min Medical Gas Cylinder With Valve Regulator

Objective AI Report

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Report date: 05.03.2026

Koyuncu Oxygen Regulator and Humidifier Set Analysis Report

Device Identification

The product in the image is an oxygen regulator set designed for use with medical gas cylinders, featuring an integrated flowmeter and a humidifier bottle. The system consists of a high-pressure manometer, a pressure-reducing regulator body, a flow-regulating valve flowmeter, and a humidifier water reservoir.

Brand and Model

Brand: KOYUNCU

The “KOYUNCU” logo and brand are clearly legible within the product’s manometer dial. No indication of a model name has been found on the body or labels.

Originality

Considering the craftsmanship of the metal components, the print quality on the manometer dial, the transparency of the plastic components (humidifier bottle and flowmeter tube), and the clarity of the warning texts on them, the product is assessed to be an original production.

Areas of Use

This device is used to reduce pressure when connected to high-pressure oxygen cylinders and to adjust the oxygen flow delivered to the patient in liters/minute. Thanks to its built-in humidifier bottle, it humidifies dry oxygen gas, preventing dryness in the patient’s respiratory tracts. It is suitable for oxygen therapy applications in hospitals, clinics, emergency departments, and home care services.

Quantity Information

The image shows a single (1) assembled regulator set. The set includes a manometer, flowmeter tube, connection body, and humidifier bottle.

Overall Condition

The product is cosmetically in “New / Unused” or “Very Slightly Used” condition. The metallic surfaces retain their luster, and no yellowing or dullness is observed on the plastic parts.

Physical Deformations

No scratches, cracks, breaks, or dents have been detected on the device’s outer casing, connection nut, or plastic components. The humidifier bottle is transparent and clean.

Mechanical Components

The regulator connection nut (fitting), flow adjustment valve, and manometer connection appear mechanically sound. The knurled structure on the adjustment knob is clean.

Electronic Components

This device operates entirely on mechanical principles; it does not contain any electronic components.

Accessories

The image shows a humidifier bottle attached to the device. An oxygen cannula or mask is not attached to the device’s outlet (barb). The cylinder connection gasket is visible in the image.

Label and Text Information

The texts and technical markings identified on the device are as follows:

• Manometer Dial: KOYUNCU brand, “EN 562” standard, pressure range (0 – 315/4500 scale – in psi/bar), brand logo.
• Flowmeter: “O2” (Oxygen) marking on the tube, flow scale from 0 to 15 (L/min), technical note L/min 20°C 101325Pa.
• Adjustment Valve (Blue): “O2” marking, arrow indicators showing opening direction, Turkish “AÇ” (OPEN) and “KAPA” (CLOSE) expressions.
• Regulator Body (Blue Ring): “DO NOT USE OIL” safety warning and “230 BAR” pressure resistance indication.
• Humidifier Bottle: “UPPER LEVEL”, “LOWER LEVEL” boundary lines, and “DISTILLED WATER PREFERRED” usage instruction.

Battery Status

The device has a manual mechanical structure; it does not require a battery or power supply.

Screen Analysis

There is no digital screen. An analog manometer gauge is present. The manometer needle is currently at the “0” position, indicating no gas input to the device or that the cylinder is closed.

Dimensions and Compatibility

It has a connection structure suitable for standard medical oxygen cylinder valves. The humidifier outlet has a ‘Christmas tree’ (barb) type tip structure compatible with standard oxygen hoses (cannula/mask).

Year of Manufacture

No direct year of manufacture information is legible on the manometer.

Current Fault

No broken parts, missing components, or obvious signs of malfunction are observed in the visual inspection.

Potential Malfunction Risk

Currently, there is no visible risk. No significant risk factors have been observed, other than the need for regular checks of gaskets to prevent oxidation of metal parts and ensure sealing. The device’s condition gives the impression that it is ready for immediate use.