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Inst Tools > Blog > Animation > Bourdon Tube Pressure Gauge Working Principle Animation

Bourdon Tube Pressure Gauge Working Principle Animation

Last updated: September 13, 2016 11:23 am
Editorial Staff
Animation How It Works Pressure Measurement
12 Comments
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Bourdon Tube Working Principle Animation
Bourdon Tube Working Principle Animation

Bourdon Tube Pressure Gauge Working

Bourdon tube pressure gauges are extensively used for local indication. This type of pressure gages were first developed by E. Bourdon in 1849. Bourdon tube pressure gauges can be used to measure over a wide range of pressure: form vacuum to pressure as high as few thousand psi. It is basically consisted of a C-shaped hollow tube, whose one end is fixed and connected to the pressure tapping, the other end free, as shown in fig. The cross section of the tube is elliptical.

pressure-gauge-animation

When pressure is applied, the elliptical tube (Bourdon tube) tries to acquire a circular cross section; as a result, stress is developed and the tube tries to straighten up. Thus the free end of the tube moves up, depending on magnitude of pressure. A deflecting and indicating mechanism is attached to the free end that rotates the pointer and indicates the Pressure reading. The materials used are commonly Phosphor Bronze, Brass and Beryllium Copper. For a  2″ overall diameter of the C-tube the useful travel of the free end is approximately 1/8″ . Though the C-type tubes are most common, other shapes of tubes, such as helical, twisted or spiral tubes are also in use.

Also See: Proximity Sensor Working Animation

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12 Comments
  • gajendra says:
    November 24, 2015 at 6:02 am

    What a great site and very good animations, gives the solution even just looking at the animation .salute you

    Reply
  • Tarun says:
    May 28, 2016 at 1:33 am

    What a teaching style!!!!!

    Reply
  • onoja friday says:
    June 1, 2016 at 3:02 pm

    What are the difference between Bourdon tube manometer and bourdon tube pressure gauge. What I am searching for is the formal but the latter keep appearing

    Reply
  • Akshay says:
    July 5, 2016 at 3:42 am

    Great Animation

    Reply
  • Aung Kaung Myat says:
    January 31, 2017 at 2:30 am

    I would like to get quotation for Pressure Guage.

    Reply
    • S Bharadwaj Reddy says:
      January 31, 2017 at 6:11 am

      Hi, No sales here, only knowledge sharing. Thanks

      Reply
  • niharika says:
    April 21, 2017 at 11:24 am

    Good work. thank you

    Reply
  • Thandanani Vumani says:
    December 14, 2017 at 11:55 am

    How i wish i knew this site when i was a student!

    Reply
  • hyela danboyi says:
    December 19, 2017 at 9:09 pm

    Good work. Thank you

    Reply
  • Sreekutty V L says:
    December 30, 2017 at 5:53 am

    thank youuu

    Reply
  • lily1987 says:
    October 22, 2019 at 7:33 am

    Animation is vivid , really good article.

    Reply
  • Sairam K says:
    July 9, 2020 at 10:35 pm

    what an animation, the animation tells us the way it works.

    Reply

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