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Pressure-only regulators 10 August 2022

Medical gas regulators are provided in many forms such as use at home flow selection devices to gas pipeline distribution devices in hospitals.

Applications, such as gas distribution inside an ambulance, only require pressure regulation. Regulators are preset for delivering a nominal pressure of 50 psi for FDA compliance, but there will be some variation in the outlet pressure depending on the consumed gas cylinder pressure.

A compact pressure regulator to deliver 50 psi (4 bar) of medical oxygen inside an ambulance

If the gas source is connected to multiple devices, a high flow capacity regulator will be necessary.

Regardless of the type of regulator required, the materials are key consideration. Nickel-plated brass offers a good combination of durability, reliability and safety because brass is resistant to sparking, and has good compatibility with oxygen compared to other materials. A combination of material and design provides resilience to ignition by adiabatic compression, that's the phenomena where oxygen heats up due to a rapid change in flow/pressurisation. If this heating effect is sufficient and if there is contamination such as particles, then the energy may be sufficient to cause an ignition.

Do not use GCE medical gas equipment unless you are properly trained and familiar with the product and the Instructions For Use.

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