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DOT Department of Trasportation
provides regulations for manufacturing, storage and transportation of medical gases
CGA Compressed Gas Association
comprises companies involved in manufacturing, storage, and transport of medical gases
Establishes standards for anesthetic and ventilatory devices, including anesthetic machines, tracheal tubes, humidifiers, nebulizers and other oxygen related equipment
what are the specifications outlined by the NFPA on Bulk oxygen storage
have the names of the gases posted, keep full and empty cylinders apart, be in a dry, cool well ventilated area, keep cylinders on a platform above ground if storage is outside, do not store flammable gases with oxygen
Guidelines when transporting and using cylinders
leave valve caps in place, don't lift by the cap, don't drop or strike anything against the cylinder surface, don't drag or slide, use a cart for loading unloading and transport
procedure when preparing a gas cylinder for use
check for dents or damage, be sure cap in place, be sure cylinder is secured to cart, take off cap, crack valve to get out dust/depress (give warning of loud noise) attach regulator
what is the advantage of storing oxygen in a liquid form
it is less expensive it takes up less space
what is the purpose of zone valves
to isolate areas independently if maintenance is required or fire occurs
Reducing valve double stage
reduces cylinder pressure to appr 200 pig the to 50 psig, has two safety relief devices
reducing valve triple stage
reduces cylinder pressure to 300 then 200 then 50 psig has three safety relief devices
how can you tell if a gage is a Bourdon gage
it does not compensate for back pressure, readings are higher when has back pressure
what is an advantage of the bourdon gauge
it is not position dependent making it ideal for transport
Uncompensated flow meters
the needle valve is before the float, any back pressure in the tube effects the float,
comensated flow meters
the needle valve is after the float, only back pressure exceeding 50 psig will rise the float
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