Oxygen Bottles Main Frequently Asked Questions (FAQs) Warranty Information Slide Training Brochure We're always looking to purchase oxygen bottles, cylinders, regulators, valves, and piece parts. Please fill out our contact form with information on your rotable material. |
Oxygen BottlesOxygen assemblies are self-contained, high pressure, fixed oxygen sources that supply reduced pressure aviation grade oxygen. The regulator reduces high pressure oxygen, stored in the cylinder, to a lower pressure suitable for use with orifice-type or demand-type mask assemblies. Regulators are either of a toggle-type or lever-type. Typically, the toggle-type regulators are used for applications where the oxygen system remains in the "ON" position while the lever-type regulators are attached to a cable system for remote ON/OFF actuation.The portable oxygen systems are that provides a constant flow breathing system for up to 3 passengers or crew members. It is intended to supply supplemental or first aid oxygen. There are three types of cylinder: AA, HT and CO which are DOT specifications for the life limit of a cylinder. Regulators have no life limit. The basic service for an oxygen bottle is to hydrotest the cylinder, perform a functional test on the regulator and refill the bottle. SEMCO provides inspection, repair, and overhaul services on the following manufacturers:
Life Limit of an Oxygen BottleThe life limit of an oxygen bottle is based on the DOT rating of the cylinder. There are three ratings types:
Hydro ServicesA hydro is short for hydrotest where the oxygen cylinder is filled with water to measure the material expansion of the cylinder. Most of the time, our customers send in the full oxygen assembly (i.e. cylinder plus regulator/valve), in which case the ‘hydro’ will include an inspection of the regulator, a hydrotest and refill of the cylinder. It is important that the bottle stabilize for 24 hours after it is refilled so to ensure there is no pressure leak once the regulator/valve is re-attached. Some shops may give “same day turns” but this means that the cylinder will not stabilize for the requisite 24 hours after refill and could result in a leak.Overhaul ServicesAn overhaul includes an initial inspection of the unit, including the cylinder and the valve. We then perform a functional test on the regulator, hydrotest the cylinder, refill the cylinder, overhaul the regulator (which includes replacing all piece parts required by the CMM), reassembling the unit and issuing a teardown and 8130Inspection ServicesAn inspection of an oxygen bottle covers a hydrotest of the cylinder, a functional test of the regulator or valve (sometimes referred to as a bench test) and refilling the cylinder with oxygen.Requirements for ATA Cases
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