The document discusses the advantages and disadvantages of the Bourdon tube pressure gauge, a device used for measuring pressure in various applications such as medical gas cylinders and hydraulic installations. Advantages include simple construction, high accuracy, and sensitivity, while disadvantages comprise slow response, susceptibility to shock, and unsuitability for low pressure. It highlights that Bourdon tubes are used in gas distribution, hydraulic, and pneumatic installations.

1. Advantages and disadvantages of
Bourdon Tube

2. Pressure gauge
 It is a device used for measurement of pressure.
 It finds its application in
 Gas pressure in medical gas cylinder
 Gas pressure for vacuum equipment
 Monitoring air pressure in compressor

3. Bourdon tube pressure gauge
 It is a pressure indicator with ‘C’ shaped tube and
oval cross section.
 Curved tube straightens when pressure is
applied.
 It indicates gauge pressure.
 It is used to measure both low and high pressure

4. Advantages of Bourdon tube
 Construction is simple and cost is low.
 It has excellent sensitivity.
 It has high accuracy.
 For higher pressure bourdon tubes provide higher
accuracy.
 It is used to measure vacuum pressure.
 It is available for various ranges.

5. Disadvantages of Bourdon tube
 Slow response to change in pressure.
 Prone to shock and vibrations.
 It is subjected to hysteresis.
 Not suitable for low pressure application

6. Applications of bourdon tube
 Gas distribution system.
 Hydraulic installation.
 Pneumatic installation.
 Refineries and petrochemical processing.

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