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Pressure Gauge

Offering you a complete choice of products which include EN 837 3 Wika Pressure Gauges and Pressure Gauge.

EN 837 3 Wika Pressure Gauges
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EN 837 3 Wika Pressure Gauges

Rs 1,200 / NosGet Latest Price

DesignEN 837-3
Ambient Temperature-20 ...+60 DegreeC
Medium Temperature+100 DegreeC maximum
Storage Temperature-40 ...+70 DegreeC (scale ranges < 60 mbar: -20 ...+70 DegreeC)
Nominal size in mm100, 160
Accuracy class1.6
Scale ranges0 ... 16 mbar to 0 ... 250 mbar
Pressure Limitation SteadyFull scale value
Fluctuating0.9 x full scale value
Overload safety5 x full scale value, however max. 40 bar
Temperature effectWhen the temperature of the measuring system deviates from the reference temperature (+20 DegreeC): max.
Ingress protection per IEC/EN 60529Model 432.50: IP54 Model 433.50: IP65 (with liquid filling)
Process connection with lower measuring flangeStainless steel 316L, G 1/2 B (male), SW 22
Pressure element< 0.25 bar: Stainless steel 316L > 0.25 bar: NiCr-alloy (Inconel)

  • For measuring points with increased overload 
  • With liquid-filled case suitability for high dynamic pressure loads and vibrations (model 433.50)
  • For gaseous, liquid and aggressive media, also in aggressive environments
  • With the open connecting flange option also for contaminated and viscous media 
  • Process industry: Chemical, petrochemical, power plants, mining, on-/offshore, environmental technology, machine building and general plant construction

Special features
  • Case and wetted parts from stainless steel
  • Wide choice of special materials
  • High overload safety up to the 10-fold full scale value
  • Process connection thread or open flange
  • Scale ranges from 0 … 16 mbar 

Diaphragm pressure gauges are preferably used for low pressure ranges. Through the large working surface of the circular, corrugated diaphragm element, small pressure ranges can be measured reliably. The model 432.50 diaphragm pressure gauge is manufactured in accordance with EN 837-3. The high-quality design is particularly suitable for applications in the chemical and petrochemical industry, oil and gas industry and power engineering. The case and wetted parts from stainless steel fulfil high requirements for resistance against aggressive media. For especially high resistance requirements, the pressure chamber can, as an option, be designed with a wide variety of special materials such as PTFE, tantalum or Hastelloy. For the measurement of highly viscous, crystallising or contaminated media, the use of an open connecting flange is recommended. The open connecting flange has the advantage over a threaded connection that the pressure port cannot become blocked. With an additional flushing connection on the open connecting flange, the pressure chamber can be easily cleaned. Measuring systems with diaphragm elements, on the grounds of their design, offer good protection from overpressure, since the diaphragm can support itself against the upper flange. As standard, the model 432.50 diaphragm pressure gauge already features an overload safety of 5 times the full scale value. Optionally, higher overload safeties can be realised.

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Pressure Gauge
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Pressure Gauge

Rs 300 / NosGet Latest Price

DesignEN 837-1
Nominal size in mm63, 100, 160
Accuracy classNS 63: 1.6 NS 100, 160: 1.0
Scale rangesNS 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
Pressure limitation Steady3/4 x full scale value
Permissible temperature-40 ...+60 DegreeC with unfilled instruments

Pressure Gauge

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