131.11 pressure gauge with bourdon tube WIKA

Description

131.11 The WIKA Bourdon tube manometer is used for measuring the pressure of gaseous and liquid media.

The compact Model 131.11 Bourdon Hose Pressure Gauge is manufactured with a stainless steel housing and wetted parts. The instrument meets the requirements of the international industry standard EN 837-1.

The modular design allows for a multitude of combinations of process connections, nominal sizes and scales of scope. This high variance makes the instrument suitable for a wide range of industrial applications.

The instrument is often used as a failure alarm indicator on gas cylinders. With its compact design and moderate purchase cost, the gauge is also suitable for engineering and plant construction.

The use of high-quality stainless steel materials and the robust design make the instrument suitable for liquid and gaseous media, even in aggressive environments.

For mounting on control panels, pressure gauges can be equipped with a surface mounting flange or with a triangular plate and mounting bracket.

 

Features 131.11

• Design: EN 837-1
• Nominal size in mm: 40, 50, 63
• Accuracy class: 2.5
• Scale range:
  • NS 40, 50: 0 … 1 to 0 … 600 bar
  • NS 63: 0 … 1 to 0 … 1,000 bar
  • or any other equivalent pressure and vacuum ranges
• Pressure limit:
  • Continuous: 3/4 x the value of the full scale
  • Niha: 2/3 x the value of the full scale
  • Short time: full scale value
• Allowable temperature:
  • Environment: -40 °C … +60 °C
  • Medium: maximum +100 °C
• Temperature effect: when the temperature of the measuring system deviates from the reference temperature (+20 °C): max. ± 0.4 % / 10 K full scale
• Ingress protection to IEC/EN 60529: IP54
• Process link:
  • Stainless steel 1.4571
  • Lower beam (radial) or centre rear beam
  • G ¼ B (male), SW 14
• Pressure element
  • 316L stainless steel
  • Type C or spiral type
• Movement
  • Stainless steel
• Counter:
  • Aluminium, white, black lettering, with stop pin for index finger
• Index:
  • Aluminium, black
• Housing:
  • Stainless steel
• Window
  • Polycarbonate, suitable for installation

To view additional options and more technical features, we recommend viewing the attached .pdf documents under the Documentation section.

 

Areas of use, applications

• use of CDA (Clean Dry Air)
• Mechanical engineering and general plant construction
• display of a malfunction alarm on gas cylinders
• for gaseous and liquid aggressive media that are not highly viscous or crystallising, even in aggressive environments

 

ELPRO designation: MAN-131.11