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Oxygen Cylinder

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Oxygen cylinder

By: Eng. Amanuel Walelu


Topic
• Different types of O2 cylinder
• Cylinder principle
• Coding
• Flow meters/regulators
• Troubleshooting
• Preventive maintenance
• safety
Types of oxygen supply
• Oxygen cylinder
• Oxygen concentrator
• Oxygen plant
O2 cylinder
• An oxygen cylinder is a cylindrically shaped metal container used to
store oxygen that has been compressed to a very high pressure.
• Cylinders are fitted with customized valves (either bullnose or pin
index type) with valve guards, which are opened with valve keys.
Different types of O2 cylinder
Depending on their
sizes
• H tank
• E tank
• A tank
• B tank
• C tank
• D tank
ES-ISO Color Code (US)

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Flow meters/regulators
Cont…
• They decrease internal tank pressure down to a working pressure
(50psi)
• They read and display the internal tank pressure
• They meter out the precise flow for patient use.

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How to determine oxygen consumption for a
health facility

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Exercise 5.1
Case scenario 1.Give Exercise about oxygen
consumption and # cylinder needed

Hint:
Duration (Min) = [Cylinder Pressure -500] * Tank factor (0.28 for E, 3.14 for H)
Flow litter per min[1 – 10 LPM]

D tank= 0.16
G tank= 2.14
M tank= 1.56

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A simple guide to changing a cylinder

Anyone who changes a gas cylinder must:


1. Be fully trained for their own protection and to comply with the Manual
Handling regulations.

2. Use appropriate protective clothing (PPE) such as gloves, safety glasses


and protective footwear.

3. Appreciate and understand the safety precautions required in handling


oxygen cylinders

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Transport of cylinders
Before transporting, ensure the cylinders are:
1. Located in a compartment separated from the driver

2. Adequately restrained

3. Checked for leaking, and have their valves closed

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Troubleshooting
Fault Possible cause
No oxygen is flowing • Empty cylinder
• Flow meter knob or cylinder valve is
closed.
• Faulty regulator
Leakage from cylinder or • Cylinder is not connected to pressure
Flow meter regulator properly
• Faulty or missing washer between
regulator and cylinder
• Flow meter seal damaged or loose
Cont…
Flow meter ball not Faulty flow meter
moving, yet oxygen is
flowing
Pressure gauge does not Faulty pressure gauge
show pressure, yet oxygen
is flowing
User ppm
• Cleaning
• If humidifier bottle is used, refill with clean water
• Clean cylinder, valve and flow meter with damp cloth
• Visual check
• Check cylinder is correct type and marked oxygen
• Check all parts are fitted tightly and correctly
• Check for leakage: hissing sound or reduction in pressure
• Functional check
• Close cylinder valve after each use
• Remove valve dust with brief, fast oxygen flow
• Check flow can be varied using flow control
Accidental release measures

If a large volume of medical oxygen is released, It may begin moving at high speed
in erratic directions.

• Close the cylinder valve

• Where possible, isolate all sources of ignition

• If release continues, evacuate the area and ensure that the affected area is
adequately ventilated before re-entry.

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