Bourdon Tube Pressure Gauges

Bourdon Tube Pressure Gauges

An elastic (circled) measuring element (Bourdon tube) will be soldered or welded into a socket; the free end being firmly closed. A change in pressure causes the measuring element into a deflection. This deflection of the free end of the Bourdon tube is proportional to the applied pressure and will be transmitted to a rotary geared movement. This movement carries a pointer and indicates the pressure on a dial with 270° angle. An elastic (circled) measuring element (Bourdon tube) will be soldered or welded into a socket; the free end being firmly closed. A change in pressure causes the measuring element into a deflection. This deflection of the free end of the Bourdon tube is proportional to the applied pressure and will be transmitted to a rotary geared movement. This movement carries a pointer and indicates the pressure on a dial with 270° angle. Bourdon tube gauges are used for the measurement of high pressure up to 1000 bar and vacuum to -1 bar of gases, steam and fluids. The case size ranges from 40 mm to 1000 mm. Manodamp® axle damping movement is available for cases with 100 mm and 160 mm.
The accuracy is between ± 0,1% and ± 2,5% of full scale deflection. The bourdon tube can be made of brass, stainless steel or monel in case of aggressive medium.
The ambient temperature shall be -40…+60°C; the medium temperature not higher than +60°C using brass connection and +200°C using “UNI” type gauges made of stainless steel.

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