Description
Bourdon tube pressure gauge WIKA model 232.30
Bourdon tube pressure gauge WIKA model 232.30 designed for process that need safety device.
This high-quality Bourdon tube pressure gauge has been designed especially for increased safety requirements within the process industry.
The use of high-quality stainless steel materials and the robust design are geared to applications in the chemical and process engineering industries. Thus the instrument is suitable for liquid and gaseous media, also in aggressive environments.
Scale ranges of 0 … 0.6 to 0 … 1,600 bar ensure the measuring ranges required for a wide variety of applications.
WIKA manufactures and qualifies the pressure gauge in accordance with the requirements of the EN 837-1 European standard in the “S3” safety version.
The safety version is made up of a non-splintering window, a solid baffle wall between measuring system and dial and a blow-out back.
In the event of a failure, the operator is protected at the front side, as media or components can only be ejected via the back of the case.
For harsh operating conditions (e.g. vibrations), all instruments are also available with an optional liquid filling.
Design
EN 837-1
Nominal size in mm
63, 100, 160
Accuracy class
- NS 63: 1.6
- NS 100, 160: 1.0
Scale ranges
- NS 63: 0 … 1 to 0 … 1,000 bar
- NS 100: 0 … 0.6 to 0 … 1,000 bar
- NS 160: 0 … 0.6 to 0 … 1,600 bar
- or all other equivalent vacuum or combined pressure and
- vacuum ranges
Pressure limitation
- NS 63: Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value
- NS 100, 160: Steady: Full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value
Permissible temperature
- Ambient: -40 … +60 °C with unfilled instruments
-20 … +60 °C with instruments with glycerine filling
- Medium: +200 °C maximum with unfilled instruments
+100 °C maximum with filled instruments
Temperature effect
When the temperature of the measuring system deviates from
the reference temperature (+20 °C): max. ±0.4 %/10 K of full
scale value
Ingress protection per IEC/EN 60529
IP65 (instruments with back mount connection: IP54)
Process connection
Stainless steel 316L (NS 63: 1.4571)
Lower mount (radial) or lower back mount
NS 63: G ¼ B (male), SW 14
NS 100, 160: G ½ B (male), SW 22
Pressure element
Stainless steel 316L
C-type or helical type
Movement
Stainless steel
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