*NOTE: The CGA (Compressed Gas Association), US Navy, UK’s HSE and the EIGA (European Industrial Gas Association) all recommend that breathing gasses with an oxygen content of 23.5% or higher should be treated as 100% oxygen. However, some technical training agencies still use 40% as the maximum percentage that is allowed for equipment that is not in oxygen service.
AP Diving advises to err on the side of safety, and to use the value of 23.5% as the cutoff percentage beyond which the equipment must be in oxygen service.
AP45 - Soil Tube for AP Cylinder Valves
IMPORTANT NOTE: The AP45 is NOT for use with gas mixes of 23.5%+ oxygen content.
NOT oxygen compatible material
The AP45 Soil Tube is a component of the following AP cylinder valves:
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