Models 232.34, 233.34

Bourdon tube pressure gauge, stainless steel

Process Gauge, safety version per ASME B40.100, NS 4 1/2"

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Applications

  • Increased safety requirements
  • With liquid filled case for applications with high dynamic pressure pulsations or vibrations
  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • Process industries: chemical/petro-chemical, power stations, mining, on- and offshore, environmental technology, mechanical engineering and plant construction

Special Features

  • Safety pressure gauge with solid baffle wall designed in compliance with operational safety requirements of ASME B 40.1
  • Excellent load-cycle stability and shock resistance
  • Scale ranges up to 0 ... 1000 bar

Description

Design 

Per US Standard ASME B 40.1

Nominal size            

4 ½"

Accuracy class

Grade 2A per ASME B 40.1(corresponds to indication accuracy 0.5 %)

Scale ranges 

0 ... 0.6 bar to 0 ... 1000 bar (0 ... 10 psi to 0 ... 15000 psi) or all other equivalent vacuum or combined pressure and vacuum ranges

Pressure limitation

Steady: full scale value

Fluctuating: 0.9 x full scale value

Short time: 1.3 x full scale value

Operating temperature

Ambient: -40 ... +65 °C without liquid filling

-20 ... +65 °C gauges with glycerine filling

Medium: +100 °C maximum1)

 

 

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

IP 54 per EN 60 529 / IEC 529

(with liquid filling IP 65)

1) Maximum continuous media temperature of 100 °C is recommended. However, higher temperatures can be maintained safely for short term exposure per table see below. The user should consider temperature error and gauge component degradation when exposing gauge to any medium or ambient temperature above 100 °C. For continuous use in either ambient or medium temperatures above 100 °C, a diaphragm seal or other heat dissipating means is recommended. Consult WIKA for technical inquiries and application assistance.

Short term, intermittent maximum medium temperature limits

(Optional instrument glass window required)

260 °C - without liquid filling

130 °C - gauges with glycerine filling

 

 

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