WIKA Model 111.31 Bourdon tube pressure gauge

WIKA Model 111.31 Bourdon tube pressure gauge

Producent: Wika
Model 111.31

Bourdon tube pressure gauge

Safety version or welding gauge to ISO 5171



  • For equipment and plants for welding, cutting and allied processes
  • Application for oxygen and acetylene
  • Increased safety requirements

Special features

  • Safety pressure gauge with solid baffle wall
  • Reliable and cost-effective
  • Nominal size 50
  • Scale ranges up to 0 … 400 bar





ISO 5171

Nominal size in mm

Accuracy class

Scale range
0 … 2.5 to 0 … 400 bar
or all other equivalent vacuum or combined pressure and vacuum ranges

Pressure limitation
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: Full scale value

Permissible temperature
Ambient: -20 … +60 °C
Medium: +60 °C maximum

Temperature effect
When the temperature of the measuring system deviates from the reference temperature (+20 °C):
max. ±0.4 %/10 K of the span



Download datasheet