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American Standard Safety System
(different threadings) |
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Pin Index Safety System
(different pin positions) |
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Diameter Index Safety System
(different quick connect fittings) |
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| Saddle-like adapter for flow meters on a E tank |
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Define:
Hydrostatic Testing |
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A test performed every 5-10 years. Shows that tank is in working condition, allows 10% greater psi capacity.
SYMBOL + |
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Define: DOT 3AA
Who regulates Medical Gas Cylinders?
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DOT 3AA= "meets all DOT standards"
DOT= Department of Transportation |
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| What are some of the DOT regulations over gas cylinders? |
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| Marking, Storage, Safety, and Transport |
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Define:
Frangible Disk VS Fusible Plug |
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Frangible Disk: fragment-able disk in a cylinder; reacts in high pressure
Fusible Plug: metal plug with low melting point; releases pressure in cylinder |
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Define:
Bourdon Gauge VS Thorpe Tube |
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Bourdon Gauge: Double gauge flow meter. Reads accurate on it's side. Uncompensated to back flow/pressure
Thorpe Tube: flow meter with tube and ball (rises with higher flow). Does NOT read accurate on it's side. Compensated and Uncompensated models. |
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| Liquid state of O2 at -272 oF. Stored under very high pressures to maintain liquid state. |
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Compensated VS Uncompensated |
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Compensated: back pressure does not affect reading. (Needle valve is distal to Thorpe tube)
Uncompensated: will not read accurately in presence of back pressure. (Flow control knob is before the tube) |
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