What Is a Demand Valve? Oxygen Delivery Essentials for Clinics and EMS
When seconds matter, having the right oxygen delivery system can make the difference between life and death. One of the most efficient tools in emergency oxygen delivery is the demand valve a vital device used in hospitals, ambulances, and clinics for controlled oxygen administration.
This article explains how oxygen demand valves work, when to use them, and how they compare to other options like constant flow selector valves.
What Is a Demand Valve?
A demand valve is a high-flow oxygen device that delivers oxygen only when the patient inhales, minimizing waste and ensuring optimal delivery. It’s commonly used in:
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EMS and ambulance services
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Emergency rooms and trauma units
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Dental sedation procedures
Unlike traditional oxygen systems that continuously release gas, demand valves are triggered by the patient’s breath, making them more efficient and responsive.
Demand Valve vs. Flow Selector Valve
| Feature | Demand Valve | Constant Flow Selector Valve |
|---|---|---|
| Oxygen Delivery | Breath-activated | Continuous flow |
| Oxygen Efficiency | High | Moderate |
| Best For | Emergency/EMS use | Home oxygen therapy, general clinical use |
| Portability | Compact | Usually requires regulator system |
Note: A flow selector valve allows you to set a fixed flow rate, typically used with regulators on oxygen tanks. Demand valves, by contrast, work like a manual resuscitator without needing constant adjustment.
Benefits of Using a Demand Valve
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Reduces oxygen waste
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Increases patient safety
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Enables one-handed operation
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Compatible with CPR masks and bag valve masks (BVM)
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Often used alongside Allied Healthcare Products like portable resuscitators
Compatible Products & Parts
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Oxygen demand valve kits
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Allied Healthcare Products resuscitator systems
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Constant flow selector valve for backup systems
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Demand valve hoses and accessories
Where to Buy
At Vigour Med Store, we carry a wide selection of emergency oxygen supplies, including:
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Constant flow selector valves and regulators
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Spare parts and accessories
Our store ensures quick delivery and support for clinics, EMS teams, and hospitals.
Why Choose Vigour Med Store?
We’re a trusted source for high-quality emergency oxygen products from top manufacturers like Allied Healthcare Products. Whether you need a full system or just a replacement valve, our team can help you find the right fit for your operational needs.
Explore our collection of oxygen demand valves and emergency respiratory tools today.
