Bourdon Tude Differential Pressure Gauge
The Budenberg model 179 Differential Pressure Gauge consists essentially of two opposing bourdon tubes, each tube having its own connection but operating a common pointer that shows the difference between the two pressures.
It is ideal for use in applications that require an instrument to measure the difference between two pressures where the system pressure is up to 4x greater than the differential range.
Thos differential pressure gauge is designed to withstand full working pressure, applied separately to either connection or together. The maximum working pressure should not be exceeded even temporarily, so the possibility of surging pressures should be considered when selecting the instrument.
These instruments can also be supplied with a central zero scale if necessary, e.g. 1 to 0 to 1 bar (corresponding to a differential pressure range of 2 bar in the table below).
contact us for pricing and availability of the Budenberg 179 Differential Pressure Gauge.
The Budenberg Differential Gauges can be used for a number of applications including:
- Calibration of pressure gauges, transducers and transmitters.
- Calibration of pneumatic controllers, valves etc.
- Measurement of pressure on test beds in Aero, hydraulic systems, diesel engine injection systems.
- Setting of pressure relief valves.
- Measurement of pore water pressure in soil mechanics laboratories.
- Efficiency testing of steam turbines in power stations, gas turbines and compressors.
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Power Generation
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Budenberg model 179 Differential Gauge Specifications
| Size | 150mm (6") |
| Mounting |
Surface Mounting - model 179F
Flush Mounting - model 11/179
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| Case & Bezel | Die cast Aluminium, Grey finish to IP55 |
| Scale Ranges |
0 to 1 bar up to 16 bar pressure
Equivalent units of pressure /vacuumm available
Option: Central ZEro Scales eg: 1-0-1 bar
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| Pressure Element | Beryllium Copper Bourdon Tubes and Brass (Suffix BC) 316 St Steel Bourdon Tubes and 316 St Steel body (Suffix Z) Monel Bourdon Tubes and Monel body (Suffix M) |
| Pressure Connection |
3/8" BSP as Standard - 46mm apark
Option: 1/4" NPT (API) and 1/2" NPT
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| Accuracy Class |
1.5% of FSD as defined in EN837-1
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| Temperature |
Operating: -20 to +90°c
Storage: -40 to +100°c
Options for lower or higher operating temperatures, please contact our office
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| Environmental | Dust Proof & Splash Proof to IP54 |
| Temperature effect |
Variation in indication caused by temperature shall not exceed ± 0.04 x (t2 – t1 )% of the span where:
t1 is the reference ambient temperature in degrees Celsius
t2 is the ambient temperature in degrees Celsius
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| Certification & Tracebility |
Individually calibrated with a unique serial number printed on the dial.
Certificate of Conformity.
Traceable to National Standards is supplied.
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| Safety | All units are manufactured to comply with EN837-1, S1 Specification and other regulatory standards including PED. |
model 179 Gauge Dial Specifications
| Size | 150mm (6") |
| Dial |
White Anodised Aluminium with Mirror Scale
Option: Dual Scale or special dial markings are available
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179 Differential Gauge Specification Sheet Download
To view all the information on the Budenberg model 179 Pressure Gauge you can download the data sheet here