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Bourdon tube pressure gauges are used for the measurement of relative pressures from 0.8 ... 100,000 psi. They are classified as mechanical pressure measuring instruments and operate without any electrical power.
Standard Bourdon tube pressure gauge
These Bourdon tube pressure gauges are suitable for liquid or gaseous media, which are not highly viscous or crystallising, so long as they do not attack copper alloy parts. The measuring range covers 0.6 ... 1,000 bar.
Advantages and Disadvantages of Bourdon Tube
There are several advantages of the bourdon tube pressure gauge, which makes it easier to use in industrial and domestic applications.
The result of the bourdon tube is accurate.
They are simple in construction.
The cost of the bourdon tube pressure gauge is low.
They are easy to install and use for high-pressure measurement applications.
They have high repeatability.
Despite being several advantages, the bourdon tube pressure gauge has some limitations. Such as,
They respond slowly to changes in pressure
They are subjected to hysteresis.
They are sensitive to shocks and vibrations.
Amplification is a must as the displacement of the free end of the bourdon tube is low.
Bourdon tube pressure gauges are used for the measurement of relative pressures from 0.8 ... 100,000 psi. They are classified as mechanical pressure measuring instruments and operate without any electrical power.
Standard Bourdon tube pressure gauge
These Bourdon tube pressure gauges are suitable for liquid or gaseous media, which are not highly viscous or crystallising, so long as they do not attack copper alloy parts. The measuring range covers 0.6 ... 1,000 bar.
Advantages and Disadvantages of Bourdon Tube
There are several advantages of the bourdon tube pressure gauge, which makes it easier to use in industrial and domestic applications.
The result of the bourdon tube is accurate.
They are simple in construction.
The cost of the bourdon tube pressure gauge is low.
They are easy to install and use for high-pressure measurement applications.
They have high repeatability.
Despite being several advantages, the bourdon tube pressure gauge has some limitations. Such as,
They respond slowly to changes in pressure
They are subjected to hysteresis.
They are sensitive to shocks and vibrations.
Amplification is a must as the displacement of the free end of the bourdon tube is low.
Dial sizes: 40, 50, 63, 80, 100, 125 and 160 mm
Wetted parts copper alloy, stainless steel or monel
Process connections e.g. G ¼, G ½, ½ NPT, 7-16 UNF, M20x1,5 etc.
Measuring ranges from 0…6 mbar to 0….1600 bar
Scales in bar, mbar, psi, kPa, MPa, mmH2O, inHG etc.
Industry standards: EN837 and ASME B40.100
Approvals: ATEX, Lloyd´s register, NACE MRO103/175, EAC
Damping fluids glycerin, silicone, paraffin
Safety gauge: S1 or S3 (EN837) or solid front (ASME B40.100)
The bourdon tube behaves like a spring which is deformed when pressurized. Thus the elasticity of the tube is an important factor and mainly depends on the below factors:
The tube wall thickness
The shape of the tube cross-section
The diameter of the C-Shape
The kind of material from which tube is manufactured
A bourdon tube is usually flattened on one end or both ends, this allows the tube to lose some of its rigidity which makes it easier to uncoil when pressurized.
A larger wall thickness is required to measure the high pressure. The bourdon tube is generally used to measure the pressure from the 0.6 bar to 7000 bar.
Dial sizes: 40, 50, 63, 80, 100, 125 and 160 mm
Wetted parts copper alloy, stainless steel or monel
Process connections e.g. G ¼, G ½, ½ NPT, 7-16 UNF, M20x1,5 etc.
Measuring ranges from 0…6 mbar to 0….1600 bar
Scales in bar, mbar, psi, kPa, MPa, mmH2O, inHG etc.
Industry standards: EN837 and ASME B40.100
Approvals: ATEX, Lloyd´s register, NACE MRO103/175, EAC
Damping fluids glycerin, silicone, paraffin
Safety gauge: S1 or S3 (EN837) or solid front (ASME B40.100)
The bourdon tube behaves like a spring which is deformed when pressurized. Thus the elasticity of the tube is an important factor and mainly depends on the below factors:
The tube wall thickness
The shape of the tube cross-section
The diameter of the C-Shape
The kind of material from which tube is manufactured
A bourdon tube is usually flattened on one end or both ends, this allows the tube to lose some of its rigidity which makes it easier to uncoil when pressurized.
A larger wall thickness is required to measure the high pressure. The bourdon tube is generally used to measure the pressure from the 0.6 bar to 7000 bar.
-Manuals
Bourdon tube pressure gauges
-Data sheet
-Manuals
Bourdon tube pressure gauges
-Data sheet
For corrosive gaseous and liquid media which are not highly viscous and do not crystallise; suitable for corrosive environments.
! For measuring gas or vapour, observe the table "Selection Criteria as per EN 837-2"!
For corrosive gaseous and liquid media which are not highly viscous and do not crystallise; suitable for corrosive environments.
! For measuring gas or vapour, observe the table "Selection Criteria as per EN 837-2"!