Post on 21-Feb-2018
transcript
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THE PRINCIPLE
THE BOURDON PRINCIPLE
BELIEVES THAT A FLATTENED TUBE
WILL REFORM OR GROWCONSIDERABLY IN THE CROSS
SECTIONAL ASPECT WHEN A
PRESSURE IS APPLIED. THISCHANGE CAN BE REPRESENTED BY
A NEEDLE ON A GAUGE
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BOURDON TUBE
IT IS A PRESSURE SENSING DEVICE
CONSISTS OF A TWISTED OR
CURVED METAL TUBE
THE TUBE IS CONSTRUCTED FROM
A THIN WALLED TUBE OF NON
CIRCULAR CROSS SECTION
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MATERIALS
The tubes The tubes are a!e "r# a$%
a&&#%s'''''''''''
are #"te$ heat te(ere! t# #(t))*e
e&ast)+)t%
,he$ se&e+t)$- the tube the "&u)! easure!
$ee!s t# be a++#u$te! "#r. Stee& tubes areuse! but hae a er% &))te! &)"e !ue t#
+#r#s)#$' "#r er% h)-h (ressure s%stes
ber%&)u +#((er )s use!
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TYPES OF BOURDON TUBE
C TUBE
HELICAL TUBE
SPIRAL TUBE
TWISTED TUBE
THE C TUBE IS THE MOST COMMON
TYPE
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TYPES OF BOURDON TUBE
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PROS
CHEAP PORTABLE
EASY TO USE
NO LEVELING RE/UIRED